PRLB / Proto Labs, Inc. - تصريحات هيئة الأوراق المالية والبورصات، التقرير السنوي، بيان الوكيل

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LEI 529900QHG5MGWT2WQQ09
CIK 1443669
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Proto Labs, Inc.
SEC Filings (Chronological Order)
توفر هذه الصفحة قائمة كاملة ومرتبة ترتيبًا زمنيًا لتصريحات هيئة الأوراق المالية والبورصات، باستثناء تصريحات الملكية التي نقدمها في مكان آخر.
July 31, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 31, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 31, 2025 Proto Labs, Inc. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 31, 2025 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

July 31, 2025 EX-99.1

Protolabs Reports Financial Results for the Second Quarter of 2025 Record Quarterly Revenue of $135.1 Million, a 7.5% increase Year-Over-Year GAAP Earnings Per Share of $0.18, Non-GAAP Earnings Per Share of $0.41

Exhibit 99.1 Protolabs Reports Financial Results for the Second Quarter of 2025 Record Quarterly Revenue of $135.1 Million, a 7.5% increase Year-Over-Year GAAP Earnings Per Share of $0.18, Non-GAAP Earnings Per Share of $0.41 MINNEAPOLIS – July 31, 2025 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced fi

May 30, 2025 EX-10.2

Consulting Agreement, dated May 28, 2025, by and between Proto Labs, Inc. and Robert Bodor

Exhibit 10.2 Proto Labs 5540 Pioneer Creek Drive Maple Plain, MN 55359 May 28, 2025 Robert Bodor To his last known address on file with Proto Labs Dear Rob: We are pleased to extend an offer of a consulting arrangement between Proto Labs, Inc. (“Proto Labs”) and you (“Consultant” or “you”). If you accept the consulting arrangement described in this consulting letter agreement (this “Consulting Agr

May 30, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 24, 2025 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 29, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal execu

May 29, 2025 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2024 to December 31, 2024 This Conflict Minerals Report (this “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange

May 27, 2025 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-8 Proto Labs Inc Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, par value $0.

May 27, 2025 S-8

As filed with the Securities and Exchange Commission on May 27, 2025

As filed with the Securities and Exchange Commission on May 27, 2025 Registration No.

May 27, 2025 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-8 Proto Labs Inc Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, par value $0.

May 27, 2025 S-8

As filed with the Securities and Exchange Commission on May 27, 2025

As filed with the Securities and Exchange Commission on May 27, 2025 Registration No.

May 27, 2025 EX-10.2

Performance Stock Unit Award Agreement – Revenue and TSR (Inducement Grant) between Proto Labs, Inc. and Suresh Krishna, dated May 23, 2025

Exhibit 10.2 PROTO LABS, INC. Performance Stock Unit Award Agreement – Revenue and TSR (Inducement Grant) Proto Labs, Inc. (the “Company”) hereby grants to you, the Participant named below, an award of Performance Stock Units (the “Units”). The terms and conditions of this Performance Stock Unit Award (this “Award”) are set forth in this Performance Stock Unit Award Agreement (Inducement Grant) (t

May 27, 2025 EX-10.1

Performance Stock Unit Award Agreement – TSR (Inducement Grant) between Proto Labs, Inc. and Suresh Krishna, dated May 23, 2025

Exhibit 10.1 PROTO LABS, INC. Performance Stock Unit Award Agreement – TSR (Inducement Grant) Proto Labs, Inc. (the “Company”) hereby grants to you, the Participant named below, an award of Performance Stock Units (the “Units”). The terms and conditions of this Performance Stock Unit Award (this “Award”) are set forth in this Performance Stock Unit Award Agreement (Inducement Grant) (the “Agreemen

May 21, 2025 EX-10.3

Consulting Agreement, dated May 20, 2025, by and between Proto Labs, Inc. and Robert Bodor

Exhibit 10.3 Proto Labs, Inc. 5540 Pioneer Creek Drive Maple Plain, MN 55359 May 20, 2025 Robert Bodor To his last known address on file with Proto Labs Dear Rob: We are pleased to extend an offer of a short-term consulting arrangement between Proto Labs, Inc. (“Proto Labs”) and you (“Consultant” or “you”) for the period from today through May 25, 2025 (the “Term”). The following are the terms of

May 21, 2025 EX-99.1

Protolabs Appoints Suresh Krishna as President and CEO Reaffirms Second Quarter 2025 Outlook

Exhibit 99.1 FOR IMMEDIATE RELEASE Protolabs Appoints Suresh Krishna as President and CEO Reaffirms Second Quarter 2025 Outlook MINNEAPOLIS – (BUSINESS WIRE) – May 21, 2025 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced its Board of Directors has appointed Suresh Krishna as President and Chief Executiv

May 21, 2025 EX-10.1

Executive Employment Agreement, dated May 20, 2025, by and between Proto Labs, Inc. and Suresh Krishna

Exhibit 10.1 PROTO LABS, INC. EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is entered into as of May 20, 2025 (the “Effective Date”) by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and Suresh Krishna (“Executive”), an individual residing in Minnesota. Recitals A.            The Company desires to employ Executive, and Executive desi

May 21, 2025 EX-10.4

Amended and Restated Proto Labs, Inc. 2022 Long-Term Incentive Plan, as amended May 20, 2025

Exhibit 10.4 AMENDED AND RESTATED PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN (As Amended May 20, 2025) 1.      General. (a) Purpose. The purpose of the Proto Labs, Inc. 2022 Long-Term Incentive Plan, as amended and restated (the “Plan”) is to help attract and retain the best available people for positions of responsibility with the Company, to provide additional incentives to them and align th

May 21, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 20, 2025 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 2, 2025 EX-99.1

Protolabs Reports Financial Results for the First Quarter of 2025 Total Revenue of $126.2 Million GAAP Earnings Per Share of $0.15, Non-GAAP Earnings Per Share of $0.33

Exhibit 99.1 Protolabs Reports Financial Results for the First Quarter of 2025 Total Revenue of $126.2 Million GAAP Earnings Per Share of $0.15, Non-GAAP Earnings Per Share of $0.33 MINNEAPOLIS – May 2, 2025 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the first quarter ended Ma

May 2, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 2, 2025 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

May 2, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

April 9, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

April 9, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14

February 21, 2025 EX-24.1

Powers of Attorney

Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Robert Bodor and Daniel Schumacher, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and lawful attorney-in-fact and agent,

February 21, 2025 EX-19.2

Proto Labs, Inc. Supplement to Insider Trading Policy

Exhibit 19.2 PROTO LABS, INC. SUPPLEMENT TO INSIDER TRADING POLICY Supplemental Insider Trading Restrictions for Corporate Insiders Purpose Proto Labs, Inc.’s (the “Company”) Insider Trading Policy addresses securities trading restrictions affecting all employees of the Company. This document (the “Policy Supplement”) supplements the Insider Trading Policy with respect to members of the Company’s

February 21, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 21, 2025 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Hubs Manufacturing Inc. United States 3D Hubs Manufacturing LLC United States Proto Labs Ltd. United Kingdom PL International Holdings, UK, Ltd. United Kingdom PL Euro Services Limited United Kingdom Pr

February 21, 2025 EX-19.1

Proto Labs, Inc. Insider Trading Policy

Exhibit 19.1 PROTO LABS, INC. INSIDER TRADING POLICY and Guidelines with Respect to Certain Transactions in Company Securities Background Proto Labs, Inc. (the “Company”) and its directors, officers and employees must act in a manner that does not misuse material financial or other information that has not been publicly disclosed. Failure to do so runs contrary to our values and integrity. In the

February 7, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2025 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

February 7, 2025 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2024 2024 Revenue of $501 Million 2024 GAAP Earnings Per Share of $0.66, Non-GAAP Earnings Per Share of $1.63

Exhibit 99.1 Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2024 2024 Revenue of $501 Million 2024 GAAP Earnings Per Share of $0.66, Non-GAAP Earnings Per Share of $1.63 MINNEAPOLIS – February 7, 2025 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the fou

December 11, 2024 CORRESP

* * * * *

December 11, 2024 Via EDGAR Securities and Exchange Commission Division of Corporation Finance - Office of Manufacturing 100 F Street, N.

November 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 1, 2024 EX-99.1

Protolabs Reports Financial Results for the Third Quarter of 2024 Total Revenue of $126 Million GAAP Earnings Per Share of $0.29, Non-GAAP Earnings Per Share of $0.47

Exhibit 99.1 Protolabs Reports Financial Results for the Third Quarter of 2024 Total Revenue of $126 Million GAAP Earnings Per Share of $0.29, Non-GAAP Earnings Per Share of $0.47 MINNEAPOLIS – November 1, 2024 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the third quarter ended

November 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 1, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 25, 2024 8-K

Material Impairments, Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 21, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 7, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 1, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 7, 2024 EX-10.1

Settlement Agreement, fully executed on October 1, 2024 between Proto Labs, Inc., Proto Labs Germany GmbH and Bjoern Klaas

Zwischen Between Proto Labs, Inc. 5540 Pioneer Creek Drive Maple Plain, MN 55359 USA - im Folgenden „die US Gesellschaft“ genannt - Proto Labs, Inc. 5540 Pioneer Creek Drive Maple Plain, MN 55359 USA - hereinafter referred to as “US Company” - und and Proto Labs Germany GmbH Hermann-Oberth-Straße 21 85640 Putzbrunn Deutschland - im Folgenden „Proto Labs Germany GmbH“ genannt – Proto Labs Germany G

August 2, 2024 S-8

As filed with the Securities and Exchange Commission on August 2, 2024

As filed with the Securities and Exchange Commission on August 2, 2024 Registration No.

August 2, 2024 EX-10.2

Form of Restricted Stock Unit Agreement Grant Notice under the Amended and Restated 2022 Long-Term Incentive Plan (Non-Employee Director).*

Exhibit 10.2 PROTO LABS, INC. AMENDED AND RESTATED 2022 LONG-TERM INCENTIVE PLAN Restricted Stock Unit Agreement Grant Notice (Non-Employee Director) Proto Labs, Inc. (the “Company”), pursuant to its Amended and Restated 2022 Long-Term Incentive Plan (the “Plan”), hereby grants to you, the Participant named below, the number of Restricted Stock Units (the “Units”) shown in the table below. This aw

August 2, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 2, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

August 2, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107.1 Calculation of Filing Fee Tables Form S-8 (Form Type) Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value

August 2, 2024 EX-99.1

Protolabs Reports Financial Results for the Second Quarter of 2024 Total Revenue of $126 Million GAAP Earnings Per Share of $0.18, Non-GAAP Earnings Per Share of $0.38

Exhibit 99.1 Protolabs Reports Financial Results for the Second Quarter of 2024 Total Revenue of $126 Million GAAP Earnings Per Share of $0.18, Non-GAAP Earnings Per Share of $0.38 MINNEAPOLIS – August 2, 2024 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the second quarter ended

August 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

August 2, 2024 EX-10.1

Amended and Restated Proto Labs, Inc. 2022 Long-Term Incentive Plan (as amended on May 23, 2024).*

EX-10.1 2 prlb-20240630xexx101.htm EX-10.1 Exhibit 10.1 AMENDED AND RESTATED PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN 1.General. (a) Purpose. The purpose of the Proto Labs, Inc. 2022 Long-Term Incentive Plan, as amended and restated (the “Plan”) is to help attract and retain the best available people for positions of responsibility with the Company, to provide additional incentives to them a

August 2, 2024 EX-10.3

Form of Deferred Stock Unit Agreement Grant Notice under the Amended and Restated 2022 Long-Term Incentive Plan (Non-Employee Director)

Exhibit 10.3 PROTO LABS, INC. AMENDED AND RESTATED 2022 LONG-TERM INCENTIVE PLAN Deferred Stock Unit Agreement Grant Notice (Non-Employee Director) Proto Labs, Inc. (the “Company”), pursuant to its Amended and Restated 2022 Long-Term Incentive Plan (the “Plan”), hereby grants to you, the Participant named below, the number of Deferred Stock Units (the “Units”) shown in the table below. This award

July 24, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2024 Proto Labs, Inc. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 22, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

May 29, 2024 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2023 to December 31, 2023 This Conflict Minerals Report (this “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange

May 29, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 (State or other jurisdiction of incorporation) (Commission File Number) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal executive offices) (Zip Code) Daniel Schumacher (7

May 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 23, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 3, 2024 EX-99.1

Protolabs Reports Financial Results for the First Quarter of 2024 Total Revenue of $128 Million; Protolabs Network Revenue up 39% YoY to $24 Million GAAP Earnings Per Share of $0.20, Non-GAAP Earnings Per Share of $0.40

Exhibit 99.1 Protolabs Reports Financial Results for the First Quarter of 2024 Total Revenue of $128 Million; Protolabs Network Revenue up 39% YoY to $24 Million GAAP Earnings Per Share of $0.20, Non-GAAP Earnings Per Share of $0.40 MINNEAPOLIS – May 3, 2024 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announc

May 3, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 3, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 3, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

April 12, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

April 12, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14

February 16, 2024 EX-97

(incorporated by reference to Exhibit 97 to the Company's Form 10-K

Exhibit 97 PROTO LABS, INC. REQUIRED COMPENSATION RECOVERY POLICY Adopted November 14, 2023 Policy The Compensation and Talent Committee of the Board of Directors (the “Committee”) of Proto Labs, Inc. has adopted this Required Compensation Recovery Policy (this “Policy”) pursuant to Rule 10D-1 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), the Securities and Exchange

February 16, 2024 EX-24.1

Powers of Attorney

Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Robert Bodor and Daniel Schumacher, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and lawful attorney-in-fact and agent,

February 16, 2024 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Hubs Manufacturing Inc. United States 3D Hubs Manufacturing LLC United States Proto Labs Ltd. United Kingdom PL International Holdings, UK, Ltd. United Kingdom PL Euro Services Limited United Kingdom Pr

February 16, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 14, 2024 SC 13G/A

PRLB / Proto Labs, Inc. / DISCIPLINED GROWTH INVESTORS INC /MN - FORM 13G/A PRLB 12-31-23 Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No: 2 ) PROTO LABS INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 743713109 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

February 13, 2024 SC 13G/A

PRLB / Proto Labs, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01750-protolabsinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Proto Labs Inc Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the r

February 9, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 9, 2024 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

February 9, 2024 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2023 Revenue of $125 Million in the Fourth Quarter of 2023 Record Annual Revenue of $504 Million in 2023

Exhibit 99.1 Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2023 Revenue of $125 Million in the Fourth Quarter of 2023 Record Annual Revenue of $504 Million in 2023 MINNEAPOLIS, Minn. – February 9, 2024 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the f

November 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 3, 2023 Proto Labs, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 3, 2023 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

November 3, 2023 EX-99.1

Protolabs Reports Financial Results for the Third Quarter of 2023 Record Revenue of $130.7 million in the Third Quarter Record Network Revenue of $22.6 million; an 87% YoY increase GAAP Earnings Per Share of $0.31; Non-GAAP Earnings Per Share of $0.5

Exhibit 99.1 Protolabs Reports Financial Results for the Third Quarter of 2023 Record Revenue of $130.7 million in the Third Quarter Record Network Revenue of $22.6 million; an 87% YoY increase GAAP Earnings Per Share of $0.31; Non-GAAP Earnings Per Share of $0.51 MAPLE PLAIN, Minn. – November 3, 2023 – Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world’s leading provider of d

November 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

August 4, 2023 EX-99.1

Protolabs Reports Financial Results for the Second Quarter of 2023 Revenue of $122.3 million in the Second Quarter of 2023 Network revenue of $20.2 million; a 79.3% YoY increase GAAP Loss Per Share of $0.01; Non-GAAP Earnings Per Share of $0.33

Exhibit 99.1 Protolabs Reports Financial Results for the Second Quarter of 2023 Revenue of $122.3 million in the Second Quarter of 2023 Network revenue of $20.2 million; a 79.3% YoY increase GAAP Loss Per Share of $0.01; Non-GAAP Earnings Per Share of $0.33 MAPLE PLAIN, Minn. – August 4, 2023 – Proto Labs, Inc. (the "Company" or "Protolabs") (NYSE: PRLB), the world’s leading provider of digital ma

August 4, 2023 S-8

As filed with the Securities and Exchange Commission on August 4, 2023

As filed with the Securities and Exchange Commission on August 4, 2023 Registration No.

August 4, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107.1 Calculation of Filing Fee Tables Form S-8 (Form Type) Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1)(2) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value

August 4, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 4, 2023 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

August 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

June 5, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 (State or other jurisdiction of incorporation) (Commission File Number) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal executive offices) (Zip Code) Daniel Schumacher (7

June 5, 2023 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

EX-1.01 2 ex529433.htm EXHIBIT 1.01 Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2022 to December 31, 2022 This Conflict Minerals Report (this “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promu

May 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 17, 2023 Proto Labs, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 17, 2023 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 18, 2023 EX-10.1

(incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K, filed on

Exhibit 10.1 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN as Amended and Restated 1. General. (a) Purpose. The purpose of the Proto Labs, Inc. 2022 Long-Term Incentive Plan, as amended and restated (the “Plan”) is to help attract and retain the best available people for positions of responsibility with the Company, to provide additional incentives to them and align their interests with those of

May 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 5, 2023 Proto Labs, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 5, 2023 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

May 5, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 5, 2023 EX-99.1

Protolabs Reports Financial Results for the First Quarter of 2023 Revenue of $125.9 million in the First Quarter of 2023 GAAP Earnings Per Share of $0.10, Non-GAAP Earnings Per Share of $0.30

Exhibit 99.1 Protolabs Reports Financial Results for the First Quarter of 2023 Revenue of $125.9 million in the First Quarter of 2023 GAAP Earnings Per Share of $0.10, Non-GAAP Earnings Per Share of $0.30 MAPLE PLAIN, Minn. – May 5, 2023 – Proto Labs, Inc. (the "Company" or "Protolabs") (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results

April 4, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☑ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Def

April 4, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 21, 2023 EX-24.1

Powers of Attorney

Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Robert Bodor and Daniel Schumacher, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and lawful attorney-in-fact and agent,

February 21, 2023 EX-4.2

Description of Securities of Registrant

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Proto Labs, Inc. (the “Company”) has common stock registered under Section 12(b) of the Securities Exchange Act of 1934 and listed on The New York Stock Exchange. Description of Capital Stock General The summary of the general terms and provisions of the capital stock of

February 21, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 21, 2023 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Hubs Manufacturing Inc. United States 3D Hubs Manufacturing LLC United States Proto Labs, Ltd. United Kingdom PL International Holdings UK Ltd United Kingdom PL Euro Services Limited United Kingdom Prot

February 14, 2023 SC 13G/A

PRLB / Proto Labs Inc / BROWN CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 fp0081797-1sc13ga.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 12)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number)

February 10, 2023 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2022 Revenue of $115.6 million in the Fourth Quarter of 2022 Record Annual Revenue of $488.4 million in 2022 Increases share repurchase authorization to $250 million

Exhibit 99.1 Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2022 Revenue of $115.6 million in the Fourth Quarter of 2022 Record Annual Revenue of $488.4 million in 2022 Increases share repurchase authorization to $250 million MAPLE PLAIN, Minn. – February 10, 2023 – Proto Labs, Inc. (the "Company" or "Protolabs") (NYSE: PRLB), the world’s leading provider of digital manuf

February 10, 2023 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2023 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

February 9, 2023 SC 13G/A

PRLB / Proto Labs Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Proto Labs Inc. Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Ru

November 21, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 November 17, 2022 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

November 21, 2022 EX-99.1

Protolabs Announces $50 Million Increase to Existing Stock Repurchase Authorization

Exhibit 99.1 Protolabs Announces $50 Million Increase to Existing Stock Repurchase Authorization MAPLE PLAIN, Minn. ? November 21, 2022 ? Proto Labs, Inc. ("Protolabs" or the "company") (NYSE: PRLB), the world?s leading provider of digital manufacturing services, announced today that on November 17, 2022 its board of directors approved a $50 million increase in its authorized stock repurchase prog

November 15, 2022 EX-3.II

Third Amended and Restated By-Laws of Proto Labs, Inc., as amended through November 15, 2022 (incorporated by reference to Exhibit 3.2 to the Company's Form 8-K, filed on November 15, 2022).

Exhibit 3(ii) THIRD AMENDED AND RESTATED BY-LAWS OF PROTO LABS, INC. ARTICLE 1 SHAREHOLDERS Section 1.01 Place of Meetings. Each meeting of the shareholders shall be held at the principal executive office of the Corporation or at such other place as may be designated by the Board of Directors or the Chief Executive Officer. But any meeting called by or at the demand of a shareholder or shareholder

November 15, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 15, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission Fil

November 4, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 4, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

November 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

November 4, 2022 EX-99.1

Protolabs Reports Financial Results for the Third Quarter of 2022 Revenue of $121.7 million in the Third Quarter of 2022; GAAP Earnings Per Share of $0.14, Non-GAAP Earnings Per Share of $0.40

Exhibit 99.1 Protolabs Reports Financial Results for the Third Quarter of 2022 Revenue of $121.7 million in the Third Quarter of 2022; GAAP Earnings Per Share of $0.14, Non-GAAP Earnings Per Share of $0.40 MAPLE PLAIN, Minn. – November 4, 2022 – Proto Labs, Inc. (NYSE: PRLB), the world’s leading provider of digital manufacturing services, today announced financial results for the third quarter end

August 30, 2022 EX-10.3

Form of Non-Statutory Stock Option Agreement (Directors) under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.3 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.3 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Director Non-Statutory Stock Option Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Optionee named below, an Option to purchase the number of shares of the Company?s common stock shown in the table below at the specified exercise price per share. The terms a

August 30, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107.1 Calculation of Filing Fee Table FORM S-8 (Form Type) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee Equity Common Stock $0.001 p

August 30, 2022 EX-10.2

Form of Incentive Stock Option Agreement under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.2 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.2 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Employee Incentive Stock Option Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Optionee named below, an Option to purchase the number of shares of the Company?s common stock shown in the table below at the specified exercise price per share. The terms and c

August 30, 2022 S-8 POS

As filed with the Securities and Exchange Commission on August 30, 2022

As filed with the Securities and Exchange Commission on August 30, 2022 Registration No.

August 30, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 29, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

August 30, 2022 S-8 POS

As filed with the Securities and Exchange Commission on August 30, 2022

As filed with the Securities and Exchange Commission on August 30, 2022 Registration No.

August 30, 2022 EX-10.8

Form of Restricted Stock Unit Award Agreement under the 2022 Long-Term Incentive Plan (Directors) (incorporated by reference to Exhibit 10.8 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.8 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Restricted Stock Unit Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Participant named below, a Stock Unit Award on the terms shown in the table below. The terms and conditions of this Stock Unit Award (this ?Award?) are set forth in this Agreement, consist

August 30, 2022 EX-10.7

Form of Restricted Stock Unit Award Agreement under the 2022 Long-Term Incentive Plan (U.K. Employees) (incorporated by reference to Exhibit 10.7 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.7 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Restricted Stock Unit Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Participant named below, a Stock Unit Award on the terms shown in the table below. The terms and conditions of this Stock Unit Award (this ?Award?) are set forth in this Agreement, consist

August 30, 2022 EX-10.10

Form of Deferred Stock Unit Award Agreement under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.10 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.10 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Deferred Stock Unit Agreement This Deferred Stock Unit Agreement (the ?Agreement?) is made and entered into as of the grant date indicated below (the ?Grant Date?), by and between Proto Labs, Inc. (the ?Company?), and you, the participant whose name appears below. The Agreement consists of this cover page and the Deferred Stock Unit Term

August 30, 2022 EX-10.4

Form of Non-Statutory Stock Option Agreement (U.S. Employees) under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.4 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.4 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Employee Non-Statutory Stock Option Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Optionee named below, an Option to purchase the number of shares of the Company?s common stock shown in the table below at the specified exercise price per share. The terms a

August 30, 2022 EX-10.1

Proto Labs, Inc. 2022 Long-Term Incentive Plan

Exhibit 10.1 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN 1.?Purpose. The purpose of the Proto Labs, Inc. 2022 Long-Term Incentive Plan (the ?Plan?) is to help attract and retain the best available people for positions of responsibility with the Company, to provide additional incentives to them and align their interests with those of the Company?s shareholders, and to thereby promote the Company

August 30, 2022 S-8 POS

As filed with the Securities and Exchange Commission on August 30, 2022

As filed with the Securities and Exchange Commission on August 30, 2022 Registration No.

August 30, 2022 EX-10.6

Form of Restricted Stock Unit Award Agreement under the 2022 Long-Term Incentive Plan (U.S. Employees) (incorporated by reference to Exhibit 10.6 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.6 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Restricted Stock Unit Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Participant named below, a Stock Unit Award on the terms shown in the table below. The terms and conditions of this Stock Unit Award (this ?Award?) are set forth in this Agreement, consist

August 30, 2022 EX-10.9

Form of Performance Stock Unit Award Agreement under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.9 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.9 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN Performance Stock Unit Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Participant named below, an award of Performance Stock Unit (the ?Units?). The terms and conditions of this Performance Stock Unit Award (this ?Award?) are set forth in this Performance S

August 30, 2022 S-8

As filed with the Securities and Exchange Commission on August 30, 2022

As filed with the Securities and Exchange Commission on August 30, 2022 Registration No.

August 30, 2022 EX-10.5

Form of Non-Statutory Stock Option Agreement (U.K. Employees) under the 2022 Long-Term Incentive Plan (incorporated by reference to Exhibit 10.5 to the Company’s Form 8-K, filed on August 30, 2022).

Exhibit 10.5 PROTO LABS, INC. 2022 LONG-TERM INCENTIVE PLAN U.K. Employee Non-Statutory Stock Option Agreement Proto Labs, Inc. (the ?Company?), pursuant to its 2022 Long-Term Incentive Plan (the ?Plan?), hereby grants to you, the Optionee named below, an Option to purchase the number of shares of the Company?s common stock shown in the table below at the specified exercise price per share. The te

August 5, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 5, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

August 5, 2022 EX-99.1

Protolabs Reports Financial Results for the Second Quarter of 2022 Record Revenue of $126.9 million in the Second Quarter of 2022; GAAP Earnings Per Share of $0.09, Non-GAAP Earnings Per Share of $0.46

Exhibit 99.1 Protolabs Reports Financial Results for the Second Quarter of 2022 Record Revenue of $126.9 million in the Second Quarter of 2022; GAAP Earnings Per Share of $0.09, Non-GAAP Earnings Per Share of $0.46 MAPLE PLAIN, Minn. ? August 5, 2022 ? Proto Labs, Inc. ("Protolabs" or "the company") (NYSE: PRLB), the world?s leading provider of digital manufacturing services, today announced finan

August 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 19, 2022 DEF 14A

Proto Labs, Inc. 2022 Long-Term Incentive Plan (incorporated by reference to Appendix A to the Company’s Proxy Statement filed on July 19, 2022)

TABLE OF CONTENTS ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 19, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ??) Filed by the Registrant ? ? ? ? Filed by a party other than the Registrant ? Check the appropriate box: ? ? ? Preliminary Proxy Statement ? ? ? Confidential, for Use of the Commission Only (as permitted by Rule 14

July 8, 2022 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 6, 2022 EX-99.1

Protolabs Announces Dan Schumacher as Chief Financial Officer

Exhibit 99.1 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing Protolabs Announces Dan Schumacher as Chief Financial Officer MINNEAPOLIS, MINN.?June 6, 2022? Protolabs (NYSE: PRLB), a leading online and technology-enabled digital manufacturer has announced Dan Schumacher as its new Chief Financial Officer (CFO) effective immediately. ?I am very excited to officially welcome Dan a

June 6, 2022 EX-99.2

SEVERANCE AGREEMENT

Exhibit 99.2 SEVERANCE AGREEMENT This Severance Agreement (the ?Agreement?) is entered into as of (the ?Effective Date?) by and between Proto Labs, Inc., a Minnesota corporation (the ?Company?), and (?Executive?), an individual residing in . Recitals A. Executive is employed by the Company and is party to an Employee Confidentiality, Intellectual Property Assignment Agreement, Non-Solicitation and

June 6, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 June 3, 2022 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 31, 2022 8-K

Material Impairments, Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 27, 2022 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 27, 2022 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

EX-1.01 2 ex380507.htm EXHIBIT 1.01 Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2021 to December 31, 2021 This Conflict Minerals Report (the “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promul

May 27, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 (State or other jurisdiction of incorporation or organization) (Commission File Number) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal executive offices) (Zip Code) Dani

May 18, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 6, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 6, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

May 6, 2022 EX-99.1

Protolabs Reports Financial Results for the First Quarter of 2022 Revenue of $124.2 million in the First Quarter of 2022; GAAP Earnings Per Share of $0.19, Non-GAAP Earnings Per Share of $0.38

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the First Quarter of 2022 Revenue of $124.2 million in the First Quarter of 2022; GAAP Earnings Per Share of $0.19, Non-GAAP Earnings Per Share of $0.38 MAPLE PLAIN, Minn. ? May 6, 2022 ? Proto Labs, Inc. ("Protolabs" or the "Company") (NYSE: PRLB), the world?s leading provider

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

April 5, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.   )

TABLE OF CONTENTS ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 5, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.??) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

March 25, 2022 CORRESP

* * * * *

March 25, 2022 Via EDGAR Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Ms. Heather Clark and Ms. Claire Erlanger Re: Proto Labs, Inc. Form 10-K for the Year Ended December 31, 2021 Form 8-K furnished February 11, 2022 File No. 001-35435 To Whom it May Concern: We are writing to respond to the comments raised in the letter to Proto Labs, Inc. (the "Company"

March 16, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 March 15, 2022 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer

March 9, 2022 SC 13G/A

PRLB / Proto Labs Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0040-protolabsinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Proto Labs Inc. Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: February 28, 2022 Check the appropriate box to designate the ru

February 18, 2022 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company?s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Hubs Manufacturing Inc. United States 3D Hubs Manufacturing LLC United States Proto Labs, Ltd. United Kingdom PL International Holdings UK Ltd United Kingdom PL Euro Services Limited United Kingdom Prot

February 18, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 18, 2022 EX-24.1

Powers of Attorney

EX-24.1 4 ex313212.htm EXHIBIT 24.1 Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Robert Bodor and Daniel Schumacher, and each of them, either of whom may act without the joinder of the other, the undersigned’s true an

February 14, 2022 SC 13G/A

PRLB / Proto Labs Inc / HARDING LOEVNER LP - HARDING LOEVNER LP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Proto Labs Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

February 14, 2022 SC 13G/A

PRLB / Proto Labs Inc / Nikko Asset Management Americas, Inc. - SC13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Proto Labs, Inc. (Name of Issuer) Common stock, par value $0.001 per share (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

February 14, 2022 SC 13G/A

PRLB / Proto Labs Inc / BROWN CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 11)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number) Eddie C. Brown Brown Capital Man

February 11, 2022 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 11, 2022 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission Fil

February 11, 2022 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2021 Revenue of $123.6 million in the Fourth Quarter of 2021, an increase of 18% year-over-year Record Annual Revenue of $488.1 million in 2021

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2021 Revenue of $123.6 million in the Fourth Quarter of 2021, an increase of 18% year-over-year Record Annual Revenue of $488.1 million in 2021 MAPLE PLAIN, Minn. ? February 11, 2022 ? Proto Labs, Inc. (NYSE: PRLB), the world?s leading provider o

February 10, 2022 SC 13G/A

PRLB / Proto Labs Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Proto Labs Inc. Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ??Rul

February 4, 2022 SC 13G/A

PRLB / Proto Labs Inc / Sumitomo Mitsui Trust Holdings, Inc. - AMENDMENT NO. 1 Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Proto Labs, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

December 10, 2021 EX-99.1

Protolabs Announces $50 Million Increase to Stock Repurchase Authorization

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Announces $50 Million Increase to Stock Repurchase Authorization MAPLE PLAIN, MINN.?December 10, 2021? Protolabs (NYSE: PRLB) announced today that on December 8, 2021 its Board of Directors approved a $50 million increase in its authorized stock repurchase program currently in effect, with an expiration date

December 10, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 December 8, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

November 16, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 November 15, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Emplo

November 16, 2021 EX-99.1

Protolabs Names Stacy Greiner to Board of Directors GM and CMO at Dun & Bradstreet brings 20 years of strategic product and marketing leadership to Protolabs

Exhibit 99.1 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing Protolabs Names Stacy Greiner to Board of Directors GM and CMO at Dun & Bradstreet brings 20 years of strategic product and marketing leadership to Protolabs MINNEAPOLIS, MINN.?November 16?Digital manufacturer Protolabs (NYSE: PRLB) has named Stacy Greiner to its board of directors, effective Monday, Nov. 15. Greiner

November 5, 2021 EX-99.1

Protolabs Announces Departure of CFO John Way and Appoints Dan Schumacher Interim CFO

Exhibit 99.1 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing Protolabs Announces Departure of CFO John Way and Appoints Dan Schumacher Interim CFO MINNEAPOLIS, MINN.?November 5, 2021? Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, on-demand manufacturer, today announced John Way is resigning as Chief Financial Officer (CFO) to pursue an opportunity at a

November 5, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 November 3, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

November 2, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

October 28, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 28, 2021 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 28, 2021 EX-99.1

Protolabs Reports Financial Results for the Third Quarter of 2021 Record Revenue of $125.3 million in the Third Quarter of 2021, an increase of 17% year-over-year

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the Third Quarter of 2021 Record Revenue of $125.3 million in the Third Quarter of 2021, an increase of 17% year-over-year MAPLE PLAIN, Minn. ? October 28, 2021 ? Proto Labs, Inc. (NYSE: PRLB), the world?s leading provider of digital manufacturing services, today announced finan

August 3, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 29, 2021 EX-99.1

Protolabs Reports Financial Results for the Second Quarter of 2021 Record Revenue of $123.0 million in the Second Quarter of 2021, an increase of 15% over the Second Quarter of 2020

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the Second Quarter of 2021 Record Revenue of $123.0 million in the Second Quarter of 2021, an increase of 15% over the Second Quarter of 2020 MAPLE PLAIN, Minn. ? July 29, 2021 ? Proto Labs, Inc. (NYSE: PRLB), the world?s largest ecommerce manufacturer and supplier of on-demand

July 29, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 29, 2021 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

June 10, 2021 SC 13G/A

PRLB / Proto Labs Inc / BROWN CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 10)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number) Eddie C. Brown Brown Capital Man

May 27, 2021 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

EX-1.01 2 ex253031.htm EXHIBIT 1.01 Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2020 to December 31, 2020 This Conflict Minerals Report (the “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promul

May 27, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address

May 18, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 18, 2021 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Num

May 10, 2021 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

May 6, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 6, 2021 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

May 6, 2021 EX-99.1

Protolabs Reports Financial Results for the First Quarter of 2021 First Quarter 2021 Revenue of $116.1 million

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the First Quarter of 2021 First Quarter 2021 Revenue of $116.1 million MAPLE PLAIN, Minn. ? May 6, 2021 ? Proto Labs, Inc. (NYSE: PRLB), the world?s largest ecommerce manufacturer and supplier of on-demand prototype and production parts, today announced financial results for the

April 6, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.??) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defi

April 6, 2021 DEF 14A

- DEF 14A

TABLE OF CONTENTS ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 19, 2021 10-K

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 19, 2021 EX-24.1

Powers of Attorney

EX-24.1 4 ex215174.htm EXHIBIT 24.1 Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Victoria M. Holt and John A. Way, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and

February 19, 2021 EX-21.1

Subsidiaries of Proto Labs, Inc.

EX-21.1 2 ex215172.htm EXHIBIT 21.1 Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Proto Labs, Ltd. United Kingdom PL International Holdings UK Ltd United Kingdom PL Euro Services Limited United Kingdom Proto Labs GmbH Germany Proto Labs Tooling Gmb

February 16, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Proto Labs Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2020 (Da

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Proto Labs Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rul

February 16, 2021 S-3ASR

- FORM S-3ASR

Table of Contents As filed with the Securities and Exchange Commission on February 16, 2021 Registration No.

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1)* Proto Labs, Inc. (Name of Issuer) Common stock (Title of Class of Securities) (CUSIP Number) December 31,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

February 12, 2021 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 12, 2021 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission Fil

February 12, 2021 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2020

EX-99.1 2 ex225464.htm EXHIBIT 99.1 Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2020 MAPLE PLAIN, Minn. – February 12. 2021 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn on-demand manufacturer, today announced financial results for the fourth quarter

February 12, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 9)* Prot

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 9)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number) Eddie C. Brown Brown Capital Mana

February 11, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* Proto Labs, Inc. (Name of Issuer) Common stock, par value $0.001 per share (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rul

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Proto Labs Inc. Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

February 5, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a)*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a)* Proto Labs, Inc. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

February 4, 2021 EX-10.1

Executive Employment Agreement, dated January 29, 2021, by and between Proto Labs, Inc. and Robert Bodor (incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K, filed on February 4, 2021).

Exhibit 10.1 PROTO LABS, INC. EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (the “Agreement”) is entered into as of January 29, 2021 (the “Effective Date”) by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and Robert Bodor (“Executive”). Recitals A. Executive has been employed by the Company. B. The Company desires to continue to employ Executive, and E

February 4, 2021 8-K

Financial Statements and Exhibits, 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 January 29, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

February 4, 2021 EX-10.2

Consulting Agreement, dated February 4, 2021, by and between Proto Labs, Inc. and Victoria M. Holt (incorporated by reference to Exhibit 10.2 to the Company’s Form 8-K, filed on February 4, 2021).

Exhibit 10.2 CONSULTING AGREEMENT This Consulting Agreement (this “Agreement”) is made and entered into by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and Victoria M. Holt, a resident of the State of Minnesota (the “Consultant”), effective as of February 4, 2021 (the “Effective Date”). RECITALS WHEREAS, the Consultant is employed by the Company as its Chief Executive Off

January 25, 2021 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 January 22, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

January 25, 2021 EX-99.1

Protolabs Completes Acquisition of 3D Hubs

EX-99.1 2 ex222087.htm EXHIBIT 99.1 Exhibit 99.1 Protolabs Completes Acquisition of 3D Hubs MAPLE PLAIN, Minn.—January 25, 2021—Proto Labs, Inc. (NYSE: PRLB), a global technology-enabled digital manufacturing leader, today announced that it has completed its acquisition of 3D Hubs, Inc. (“3D Hubs”), a leading online manufacturing platform that provides customers with on-demand access to a global n

January 19, 2021 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 January 18, 2021 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

January 19, 2021 EX-2.1

Agreement and Plan of Merger, dated January 18,2021, by and among 3D Hubs, Inc., Proto Labs, Inc., Lithium Merger Sub I, Inc., Lithium M

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER by and among 3D HUBS, INC., PROTO LABS, INC., LITHIUM MERGER SUB I, INC., LITHIUM MERGER SUB II, INC., and Shareholder Representative Services LLC, solely in its capacity as the Securityholder Representative January 18, 2021 Table of Contents Page ARTICLE I THE MERGER 2 1.01 The Merger 2 1.02 Effect on Capital Stock 3 1.03 Effect on Option

January 19, 2021 EX-99.1

Protolabs Reaches Agreement to Acquire 3D Hubs, Creates the World’s Broadest Digital Manufacturing Offer for Custom Parts

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Reaches Agreement to Acquire 3D Hubs, Creates the World’s Broadest Digital Manufacturing Offer for Custom Parts Transaction Highlights: ● Significantly expands customer offering with network of premium manufacturing partners ● Transformational acquisition enhances customer value proposition enabling Protolab

December 14, 2020 8-K

Financial Statements and Exhibits, 8-K - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 December 9, 2020 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employ

December 14, 2020 EX-99.1

Protolabs Announces CEO Succession Plan

Exhibit 99.1 3D Printing CNC Machining Sheet Metal Fabrication Injection Molding Protolabs Announces CEO Succession Plan MAPLE PLAIN, Minn. – December 14, 2020 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, on-demand manufacturer, today announced that its Board of Directors has unanimously elected Robert Bodor to succeed Vicki Holt as the company’s President and Chief Ex

November 3, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

October 29, 2020 8-K

- FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 29, 2020 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 29, 2020 EX-99.1

Protolabs Reports Financial Results for the Third Quarter 2020 Third Quarter 2020 Revenue of $107.5 million Third Quarter 2020 GAAP EPS of $0.55, Non-GAAP EPS of $0.67

Exhibit 99.1 Protolabs Reports Financial Results for the Third Quarter 2020 Third Quarter 2020 Revenue of $107.5 million Third Quarter 2020 GAAP EPS of $0.55, Non-GAAP EPS of $0.67 MAPLE PLAIN, Minn. – October 29, 2020 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the third quarter ended September

October 9, 2020 SC 13G

PRLB / Proto Labs, Inc. / ARK Investment Management LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

July 31, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 28, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 28, 2020 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

July 28, 2020 EX-99.1

Protolabs Reports Financial Results for the Second Quarter 2020 Second Quarter 2020 Revenue of $106.6 million Second Quarter 2020 GAAP EPS of $0.47, Non-GAAP EPS of $0.59

Exhibit 99.1 Protolabs Reports Financial Results for the Second Quarter 2020 Second Quarter 2020 Revenue of $106.6 million Second Quarter 2020 GAAP EPS of $0.47, Non-GAAP EPS of $0.59 MAPLE PLAIN, Minn. – July 28, 2020 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the second quarter ended June 30,

May 29, 2020 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 Injection Molding Sheet Metal Fabrication CNC Machining 3D Printing PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2019 to December 31, 2019 This Conflict Minerals Report (the “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange

May 29, 2020 SD

- FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address

May 19, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 19, 2020 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 5, 2020 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

April 30, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2020 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

April 30, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 30, 2020 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

April 30, 2020 EX-99.1

Protolabs Reports Financial Results for the First Quarter 2020 First Quarter 2020 Revenue of $115.1 million, an increase of 1.5% over 2019 First Quarter 2020 GAAP EPS of $0.52, Non-GAAP EPS of $0.61

Exhibit 99.1 Protolabs Reports Financial Results for the First Quarter 2020 First Quarter 2020 Revenue of $115.1 million, an increase of 1.5% over 2019 First Quarter 2020 GAAP EPS of $0.52, Non-GAAP EPS of $0.61 MAPLE PLAIN, Minn. – April 30, 2020 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the

April 6, 2020 DEFA14A

PRLB / Proto Labs, Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

April 6, 2020 DEF 14A

Schedule 14A

TABLE OF CONTENTS   UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 26, 2020 10-K

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 26, 2020 EX-24.1

Powers of Attorney

Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Victoria M. Holt and John A. Way, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and lawful attorney-in-fact and agent, w

February 26, 2020 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Rapid Management Group LLC United States Rapid Sheet Metal LLC (RSM) United States Rapid Manufacturing LLC (RM) United States Proto Labs, Ltd. United Kingdom PL International Holdings UK Ltd United King

February 26, 2020 EX-4.2

Description of Securities of Registrant

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2019, Proto Labs, Inc. (the “Company”) had common stock registered under Section 12(b) of the Securities Exchange Act of 1934 and listed on The New York Stock Exchange. Description of Capital Stock General The summary of the general terms and provisions

February 14, 2020 SC 13G/A

PRLB / Proto Labs, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 8)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number) Eddie C. Brown Brown Capital Mana

February 12, 2020 SC 13G/A

PRLB / Proto Labs, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6)* Name of issuer: Proto Labs Inc Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

February 6, 2020 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2019 Record Full Year 2019 Revenue of $458.7 million, an increase of 3% over 2018

Exhibit 99.1 Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2019 Record Full Year 2019 Revenue of $458.7 million, an increase of 3% over 2018 MAPLE PLAIN, Minn. – February 6, 2020 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the fourth quarter and full year ended Decembe

February 6, 2020 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 6, 2020 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 29, 2019 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

October 24, 2019 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 24, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

October 24, 2019 EX-99.1

Protolabs Reports Third Quarter 2019 Financial Results Record Quarterly Revenue of $117.5 million, an increase of 2% over Q3 2018

Exhibit 99.1 Protolabs Reports Third Quarter 2019 Financial Results Record Quarterly Revenue of $117.5 million, an increase of 2% over Q3 2018 MAPLE PLAIN, Minn. – October 24, 2019 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the third quarter ended September 30, 2019. Third Quarter 2019 Highligh

August 2, 2019 EX-99.2

SEVERANCE AGREEMENT

EX-99.2 5 ex152137.htm EXHIBIT 99.2 Exhibit 99.2 SEVERANCE AGREEMENT This Severance Agreement (the “Agreement”) is entered into as of (the “Effective Date”) by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and (“Executive”), an individual residing in . Recitals A. Executive is employed by the Company and is party to an Employee Non-Disclosure and Inventions Assignment Agre

August 2, 2019 EX-10.2

Amended and Restated Severance Agreement, dated August 1, 2019, by and between Proto Labs, Inc. and John A. Way

Exhibit 10.2 AMENDED AND RESTATED SEVERANCE AGREEMENT This Amended and Restated Severance Agreement (the “Agreement”) is entered into as of August 1, 2019 (the “Effective Date”) by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and John A. Way (“Executive”), an individual residing in the State of Minnesota. Recitals A. Executive and the Company are parties to a Severance Ag

August 2, 2019 EX-99.1

Protolabs Names Moonhie Chin to Board of Directors Former Senior Vice President at software company Autodesk brings 30 years of strategic leadership, operations, and digital platform experience to Protolabs’ technology-enabled manufacturing model

Exhibit 99.1 Protolabs Names Moonhie Chin to Board of Directors Former Senior Vice President at software company Autodesk brings 30 years of strategic leadership, operations, and digital platform experience to Protolabs’ technology-enabled manufacturing model MINNEAPOLIS, MINN.—August 2, 2019—Digital manufacturer Protolabs (NYSE: PRLB) has named Moonhie Chin to its board of directors, effective Th

August 2, 2019 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 29, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

August 2, 2019 EX-10.1

Amended and Restated Executive Employment Agreement, dated August 1, 2019, by and between Proto Labs, Inc. and Victoria M. Holt (incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K, filed on August 2, 2019).

Exhibit 10.1 PROTO LABS, INC. AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT This Amended and Restated Executive Employment Agreement (the “Agreement”) is entered into as of August 1, 2019 (the “Effective Date”) by and between Proto Labs, Inc., a Minnesota corporation (the “Company”), and Victoria M. Holt (“Executive”). Recitals A. Executive and the Company are parties to an Executive Employm

July 30, 2019 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 25, 2019 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 25, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

July 25, 2019 EX-99.1

Protolabs Reports Second Quarter 2019 Financial Results Record Quarterly Revenue of $115.9 million, an increase of 6% over Q2 2018

Exhibit 99.1 Protolabs Reports Second Quarter 2019 Financial Results Record Quarterly Revenue of $115.9 million, an increase of 6% over Q2 2018 MAPLE PLAIN, Minn. – July 25, 2019 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the second quarter ended June 30, 2019. Second Quarter 2019 Highlights in

May 31, 2019 SD

PRLB / Proto Labs, Inc. SD - - FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 41-1939628 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal executive offices) (Z

May 31, 2019 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.

Exhibit 1.01 PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2018 to December 31, 2018 This Conflict Minerals Report (the “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2018 to

May 16, 2019 EX-99.1

Protolabs Announces $50 Million Increase to Stock Repurchase Authorization

Exhibit 99.1 Protolabs Announces $50 Million Increase to Stock Repurchase Authorization MAPLE PLAIN, MINN.—May 16, 2019—Protolabs (NYSE: PRLB) announced today that its Board of Directors has approved a $50 million increase in its authorized stock repurchase program and extended the expiration date to December 31, 2023. This authorization increases the stock repurchase program to $100 million. As o

May 16, 2019 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 15, 2019 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 14, 2019 EX-10.1

Transition and Separation Agreement, dated May 8, 2019 by and between Proto Labs, Inc. and David M. Fein

Exhibit 10.1 TRANSITION AND SEPARATION AGREEMENT This Transition and Separation Agreement (“Agreement”) is entered into by and between David Fein (“Employee”) and Proto Labs, Inc. (the “Company”), effective as of May 8, 2019 (the “Effective Date”). RECITALS A. Employee is employed by the Company. B. Employee and the Company are parties to an Employee Non-Disclosure and Inventions Assignment Agreem

May 14, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 8, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Numb

April 30, 2019 10-Q

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

April 25, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 25, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File N

April 25, 2019 EX-99.1

Protolabs Reports First Quarter 2019 Financial Results Revenue of $113.5 million, an increase of 5% over Q1 2018 Unique Product Developers served increased 9% over Q1 2018

Exhibit 99.1 Protolabs Reports First Quarter 2019 Financial Results Revenue of $113.5 million, an increase of 5% over Q1 2018 Unique Product Developers served increased 9% over Q1 2018 MAPLE PLAIN, Minn. – April 25, 2019 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced financial results for the first quarter ended March 3

April 5, 2019 DEF 14A

PRLB / Proto Labs, Inc. FORM DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

March 11, 2019 SC 13G/A

PRLB / Proto Labs, Inc. / VANGUARD GROUP INC Passive Investment

protolabsinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5 )* Name of issuer: Proto Labs Inc Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: February 28, 2019 Check the appropriate box to desig

February 22, 2019 EX-24.1

Powers of Attorney

Exhibit 24.1 PROTO LABS, INC. POWER OF ATTORNEY OF DIRECTOR AND/OR OFFICER Each of the undersigned directors and/or officers of Proto Labs, Inc., a Minnesota corporation (the “Company”), does hereby make, constitute and appoint Victoria M. Holt and John A. Way, and each of them, either of whom may act without the joinder of the other, the undersigned’s true and lawful attorney-in-fact and agent, w

February 22, 2019 EX-21.1

Subsidiaries of Proto Labs, Inc.

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT All of the Company’s subsidiaries listed below are wholly owned. Name Jurisdiction of Incorporation or Organization PL-US International LLC United States Rapid Manufacturing Group LLC United States Proto Labs Ltd. United Kingdom PL Euro Services Ltd. United Kingdom PL International Holdings UK Ltd United Kingdom PL DE Holding GmbH Germany Proto Labs GmbH

February 22, 2019 10-K

PRLB / Proto Labs, Inc. FORM 10-K (Annual Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-35

February 14, 2019 SC 13G/A

PRLB / Proto Labs, Inc. / BROWN CAPITAL MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 7)* Proto Labs, Inc. (Name of Issuer) Common Stock, Par Value $0.001 (Title of Class of Securities) 743713109 (CUSIP Number) Eddie C. Brown Brown Capital Mana

February 12, 2019 SC 13G/A

PRLB / Proto Labs, Inc. / VANGUARD GROUP INC Passive Investment

protolabsinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4 )* Name of issuer: Proto Labs Inc Title of Class of Securities: Common Stock CUSIP Number: 743713109 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to desig

February 7, 2019 EX-99.1

Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2018 Q4 2018 Revenue of $112.8 million, an increase of 20% over Q4 2017 Full Year 2018 Revenue of $445.6 million, an increase of 29% over 2017 Q4 2018 Net Income of $19.3 millio

Exhibit 99.1 Protolabs Reports Financial Results for the Fourth Quarter and Full Year 2018 Q4 2018 Revenue of $112.8 million, an increase of 20% over Q4 2017 Full Year 2018 Revenue of $445.6 million, an increase of 29% over 2017 Q4 2018 Net Income of $19.3 million, an increase of 35% over Q4 2017 Full Year 2018 Net Income of $76.6 million, an increase of 48% over 2017 MAPLE PLAIN, Minn. – February

February 7, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 7, 2019 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

January 15, 2019 SC 13G/A

PRLB / Proto Labs, Inc. / LUKIS LAWRENCE J - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5)* PROTO LABS, INC. (Name of Issuer) Common Stock, $0.001 Par Value Per Share (Title of Class of Securities) 743713109 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

October 30, 2018 10-Q

PRLB / Proto Labs, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

October 25, 2018 EX-99.1

Protolabs Reports Record Revenue and Net Income for Third Quarter 2018 Record Quarterly Revenue of $115.4 million, an increase of 31% over Q3 2017 Record Quarterly Net Income of $20.9 million, an increase of 58% over Q3 2017

Exhibit 99.1 Protolabs Reports Record Revenue and Net Income for Third Quarter 2018 Record Quarterly Revenue of $115.4 million, an increase of 31% over Q3 2017 Record Quarterly Net Income of $20.9 million, an increase of 58% over Q3 2017 MAPLE PLAIN, Minn. – October 25, 2018 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announce

October 25, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 25, 2018 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File

August 1, 2018 EX-10.1

Form of Deferred Stock Unit Agreement under 2012 Long-Term Incentive Plan

Exhibit 10.1 PROTO LABS, INC. 2012 LONG-TERM INCENTIVE PLAN Deferred Stock Unit Agreement This Deferred Stock Unit Agreement (the “Agreement”) is made and entered into as of the grant date indicated below (the “Grant Date”), by and between Proto Labs, Inc. (the “Company”), and you, the participant whose name appears below. The Agreement consists of this cover page and the Deferred Stock Unit Terms

August 1, 2018 10-Q

PRLB / Proto Labs, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 00

July 26, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 26, 2018 Proto Labs, Inc. (Exact name of registrant as specified in its charter) Minnesota 001-35435 41-1939628 (State or other jurisdiction of incorporation) (Commission File Nu

July 26, 2018 EX-99.1

Protolabs Reports Record Revenue Growth and Net Income for Second Quarter 2018 Record Quarterly Revenue of $109.7 million, an increase of 34% over 2017 Record Quarterly Net Income of $18.3 million, an increase of 52% over 2017

Exhibit 99.1 Protolabs Reports Record Revenue Growth and Net Income for Second Quarter 2018 Record Quarterly Revenue of $109.7 million, an increase of 34% over 2017 Record Quarterly Net Income of $18.3 million, an increase of 52% over 2017 MAPLE PLAIN, Minn. – July 26, 2018 – Proto Labs, Inc. (NYSE: PRLB), a leading online and technology-enabled, quick-turn, on-demand manufacturer, today announced

June 4, 2018 SD

PRLB / Proto Labs, Inc. FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report Proto Labs, Inc. (Exact Name of Registrant as Specified in its Charter) Minnesota 41-1939628 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 5540 Pioneer Creek Drive Maple Plain, Minnesota 55359 (Address of principal executive offices) (Z

June 4, 2018 EX-1.01

PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2017 to December 31, 2017

Exhibit 1.01 PROTO LABS, INC. CONFLICT MINERALS REPORT For the reporting period from January 1, 2017 to December 31, 2017 This Conflict Minerals Report (the “Report”) of Proto Labs, Inc. (the “Company,” “we,” “us” or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended, for the reporting period January 1, 2017 to

May 25, 2018 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 25, 2018 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 16, 2018 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 16, 2018 Date of report (Date of earliest event reported) PROTO LABS, INC. (Exact Name of Registrant as Specified in its Charter) Minnesota 001-35435 41-1939628 (State of Incorporation) (Commission File Number) (I.R.S. Employer I

May 1, 2018 10-Q

PRLB / Proto Labs, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 0

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