FFIV / F5, Inc. - تصريحات هيئة الأوراق المالية والبورصات، التقرير السنوي، بيان الوكيل

شركة إف 5
US ˙ NasdaqGS ˙ US3156161024

الإحصائيات الأساسية
LEI 54930015FPK9KT966303
CIK 1048695
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 F5, 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.
August 6, 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 ☑ 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 ☐ 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 000-26041 F5,

July 30, 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 24, 2025 F5, Inc. (Exact nam

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 24, 2025 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

July 30, 2025 EX-99.1

Q3 FY25 Earnings Release Page 1 of 5

Q3 FY25 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

May 30, 2025 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2024

F5, Inc. Conflict Minerals Report Year Ended December 31, 2024 IN ACCORD WITH RULE 13P-1 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Introduction This Conflict Minerals Report (“Report”) for F5, Inc. (“F5,” the “Company,” “we,” “us,” or “our”) covers the calendar year ended December 31, 2024, and is submitted in accordance with Rule 13p-1 (the “Rule”) under the Securities Exchange Act of 1934, as am

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip Code) Tom

May 6, 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 ☑ 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 ☐ 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 000-26041 F5,

April 28, 2025 EX-99.1

Q2 FY25 Earnings Release Page 1 of 5

Q2 FY25 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

April 28, 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, 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, 2025 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

March 17, 2025 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): March 13, 2025 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

February 7, 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 ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2024 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 000-26041

February 5, 2025 CORRESP

* * * *

801 FIFTH AVE SEATTLE, WA 98104 206.272.5555 February 5, 2025 VIA EDGAR Ms. Brittany Ebbertt Ms. Christine Dietz Division of Corporation Finance Office of Technology U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Re: F5, Inc. Form 10-K for the year ended September 30, 2024 Form 8-K Furnished on January 28, 2025 File No. 000-26041 Dear Ms. Ebbertt and Ms. Dietz: F5,

January 28, 2025 EX-99.1

Q1 FY25 Earnings Release Page 1 of 5

Q1 FY25 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

January 28, 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): January 28, 2025 F5, Inc. (Exact

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): January 28, 2025 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

January 27, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934         Filed by the Registrant ☒     Filed by a party other than the Registrant  ☐         Check the appropriate box:          ☐     Preliminary Proxy St

January 27, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934         Filed by the Registrant ☒     Filed by a party other than the Registrant  ☐         Check the appropriate box:          ☐     Pr

November 18, 2024 EX-19.1

F5, Inc. Insider Trading Policy

F5, Inc. Insider Trading Policy Guidelines with Respect to Certain Transactions in Company Securities This Policy provides guidelines to all employees, officers and directors of F5, Inc. and its subsidiaries (collectively, the “Company”) with respect to transactions in the Company’s securities. Applicability of Policy This Policy applies to all transactions in the Company’s securities, including c

November 18, 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) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2024 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 000-

November 18, 2024 EX-97.1

F5, Inc. Incentive Compensation Recovery Policy §

F5, Inc. Incentive Compensation Recovery Policy (Effective Date: October 2, 2023) 1. Purpose The purpose of the F5, Inc. Incentive Compensation Recovery Policy (this “Policy”) is to provide for the recovery of certain Incentive-Based Compensation in the event of an Accounting Restatement. This Policy is intended to comply with, and to be administered and interpreted consistent with, Section 10D of

November 18, 2024 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2024* Name Jurisdiction of Organization Traffix Communication Systems, Ltd. Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a “significant subsidiary” as defined in Regulation

November 14, 2024 SC 13G/A

FFIV / F5, Inc. / HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 hotchkiswiley-ffiv093024a3.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* F5, Inc. (Name of Issuer) Common stock, no par value (Title of Class of Securities) 315616102 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

November 12, 2024 SC 13G/A

FFIV / F5, Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us3156161024111224.txt us3156161024111224.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 16) F5, INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 315616102 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

November 5, 2024 EX-10.1

Transition Agreement, between Frank Pelzer and F5, Inc., dated October 31, 2024

TRANSITION AGREEMENT 1.EMPLOYMENT SEPARATION. This Transition Agreement (“Agreement”) is entered into by Frank Pelzer (“Pelzer” or “Employee”) and F5, Inc. (“F5” or “Employer”). Pelzer has been employed by F5 as its Chief Financial Officer (“CFO”) since May 2018. Subject to the terms of this Agreement, Pelzer's employment with F5 will end at the end of the day on the date that Employer files its F

November 5, 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 31, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 28, 2024 EX-99.1

Q4 FY24 Earnings Release Page 1 of 5

Q4 FY24 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

October 28, 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, Results of Operations and Financial Condition, 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 Date of Report (Date of Earliest Event Reported): October 25, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 15, 2024 EX-99.1

Contacts Media Investors Rob Gruening Suzanne DuLong (206) 272-6208 (206) 272-7049 [email protected] [email protected] F5 Adds Maya McReynolds and Julie Gonzalez to its Board of Directors

Contacts Media Investors Rob Gruening Suzanne DuLong (206) 272-6208 (206) 272-7049 r.

October 15, 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): October 10, 2024 F5, Inc. (Exact

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 10, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

September 3, 2024 EX-99.1

F5 Announces New Leadership Roles to Drive Heightened Agility, Productivity, and AI Innovation Tom Fountain appointed Chief Operating Officer, Chad Whalen named Chief Revenue Officer, Kunal Anand becomes Chief Technology and AI Officer

Investor Contact: Press Contact: Suzanne DuLong Rob Gruening (206) 272-7049 (206) 272-6208 s.

September 3, 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): August 27, 2024 F5, Inc. (Exact n

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 27, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation

August 6, 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 ☑ 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 ☐ 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 000-26041 F5,

July 30, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

July 29, 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): July 29, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

July 29, 2024 EX-99.1

Q3 FY24 Earnings Release Page 1 of 4

Q3 FY24 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

June 21, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): June 18, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

May 31, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip Code) Tom

May 31, 2024 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2023

F5, Inc. Conflict Minerals Report Year Ended December 31, 2023 Introduction This Conflict Minerals Report (the "Report") for F5, Inc. ("F5,” the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2023 to December 31, 2023 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Reasonable Country of Origin Inquiry

May 6, 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 ☑ 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 ☐ 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 000-26041 F5,

April 29, 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): April 29, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

April 29, 2024 EX-99.1

Q2 FY24 Earnings Release Page 1 of 4

Q2 FY24 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

March 15, 2024 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): March 14, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

February 13, 2024 SC 13G/A

FFIV / F5, Inc. / HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Passive Investment

SC 13G/A 1 hotchkiswiley-ffiv123123a2.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* F5, Inc. (Name of Issuer) Common stock, no par value (Title of Class of Securities) 315616102 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 13, 2024 SC 13G/A

FFIV / F5, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0903-f5inc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: F5 Inc Title of Class of Securities: Common Stock CUSIP Number: 315616102 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to

February 5, 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 ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 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 000-26041

January 29, 2024 EX-99.1

Q1 FY24 Earnings Release Page 1 of 4

Q1 FY24 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

January 29, 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): January 29, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

January 26, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use

January 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Con

January 5, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): January 3, 2024 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation

November 14, 2023 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2023* Name Jurisdiction of Organization Shape Security, Inc. Delaware, U.S.A. Traffix Communication Systems, Ltd. Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a “significan

November 14, 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 September 30, 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 000-

November 14, 2023 EX-10.1

and JPMorgan Chase Bank, N.A., as the Administrative Agent

EXECUTION VERSION FIRST AMENDMENT TO REVOLVING CREDIT AGREEMENT FIRST AMENDMENT dated as of May 26, 2023 (this “Amendment”), between F5, INC.

November 14, 2023 EX-97

F5, Inc. Incentive Compensation Recovery Policy

F5, Inc. Incentive Compensation Recovery Policy (Effective Date: October 2, 2023) 1. Purpose The purpose of the F5, Inc. Incentive Compensation Recovery Policy (this “Policy”) is to provide for the recovery of certain Incentive-Based Compensation in the event of an Accounting Restatement. This Policy is intended to comply with, and to be administered and interpreted consistent with, Section 10D of

November 2, 2023 EX-99.1

F5 Adds Tami Erwin to its Board of Directors

For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 [email protected] Media Rob Gruening +1 (206) 272-6208 [email protected] F5 Adds Tami Erwin to its Board of Directors SEATTLE, WA - November 2, 2023 - F5, Inc. (NASDAQ: FFIV) today announced the appointment of Tami Erwin, to its board of directors. Erwin, 59, is a veteran telecommunications executive with extensive operational

November 2, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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 Date of Report (Date of Earliest Event Reported): October 31, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 24, 2023 EX-99.1

Q4 FY23 Earnings Release Page 1 of 5

Q4 FY23 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

October 24, 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): October 24, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 5, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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 Date of Report (Date of Earliest Event Reported): September 29, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporat

October 5, 2023 EX-99.1

F5 Adds Michel Combes to Board of Directors

For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 [email protected] Media Rob Gruening +1 (206) 272-6208 [email protected] F5 Adds Michel Combes to Board of Directors SEATTLE, WA - October 5, 2023 - F5, Inc. (NASDAQ: FFIV) today announced the appointment of Michel Combes, to its board of directors. Combes, 61, is a proven leader with more than 30 years of experience in the tel

August 10, 2023 SC 13G/A

FFIV / F5 Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4 )* F5, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 315616102 (CUSIP Number) July 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 filed

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 ☑ 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 ☐ 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 000-26041 F5,

July 25, 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): July 21, 2023 F5, Inc. (Exact nam

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 21, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

July 24, 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): July 24, 2023 F5, Inc. (Exact nam

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 24, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

July 24, 2023 EX-99.1

Q3 FY23 Earnings Release Page 1 of 5

Q3 FY23 Earnings Release Page 1 of 5 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

June 9, 2023 8-K/A

Costs Associated with Exit or Disposal Activities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) 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 19, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employ

June 6, 2023 EX-FILING FEES

Filing Fee Table.

EX-FILING FEES 4 ffivs-8ex107filingfeetable.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table Form S-8 (Form Type) F5, Inc. (Exact Name of Registrant as Specified in its Charter) Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common St

June 6, 2023 S-8

As filed with the Securities and Exchange Commission on June 6, 2023

As filed with the Securities and Exchange Commission on June 6, 2023 Registration No.

May 31, 2023 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2022

F5, Inc. Conflict Minerals Report Year Ended December 31, 2022 Introduction This Conflict Minerals Report (the "Report") for F5, Inc. ("F5," the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2022 to December 31, 2022 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Reasonable Country of Origin Inquiry

May 31, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip Code) Tom

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 ☑ 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 000-26041 F5,

April 19, 2023 EX-99.1

Q2 FY23 Earnings Release Page 1 of 4

Q2 FY23 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

April 19, 2023 EX-99.2

Today, I am sharing the very difficult news that we are reducing the size of our team by 623 roles comprising 9% of our workforce. This unfortunately means we will be parting ways with talented friends and colleagues who have helped transform F5 for

F5ers: Today, I am sharing the very difficult news that we are reducing the size of our team by 623 roles comprising 9% of our workforce.

April 19, 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): April 19, 2023 F5, Inc. (Exact na

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 19, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

March 10, 2023 EX-10.1

F5, Inc. Incentive Plan, as amended and restated(

F5, Inc. Incentive Plan 1. Purpose a) Eligible Award Recipients. The persons eligible to receive Awards are the Employees, Directors and Consultants of the Company and its Affiliates. b) Available Awards. The purpose of the Plan is to provide a means by which eligible recipients of Awards may be given an opportunity to benefit from increases in value of the Common Stock or from Company performance

March 10, 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): March 9, 2023 F5, Inc. (Exact nam

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): March 9, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

March 10, 2023 EX-10.2

Employee Stock Purchase Plan

F5, Inc. Employee Stock Purchase Plan 1. Purpose a) The purpose of the Plan is to provide a means by which Employees of the Company and certain designated Affiliates may be given an opportunity to purchase Shares of the Company. b) The Company, by means of the Plan, seeks to retain the services of such Employees, to secure and retain the services of new Employees and to provide incentives for such

February 22, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use

February 9, 2023 SC 13G/A

FFIV / F5 Networks, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0881-f5inc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: F5 Inc. Title of Class of Securities: Common Stock CUSIP Number: 315616102 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to

February 6, 2023 SC 13G/A

FFIV / F5 Networks, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* F5, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 315616102 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

February 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 ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 000-26041

February 2, 2023 EX-FILING FEES

Filing Fee Table.

EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) F5, Inc. (Exact Name of Registrant as Specified in its Charter) 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 Fee Rate Amount of Registration Fee Equity Common Stock, no par value, under the F5, Inc.

February 2, 2023 S-8

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

As filed with the Securities and Exchange Commission on February 2, 2023 Registration No.

February 2, 2023 EX-99.1

F5, Inc. Assumed Lilac Cloud 2018 Equity Incentive Plan.

F5, INC. ASSUMED LILAC CLOUD 2018 EQUITY INCENTIVE PLAN On February 1, 2023, Lilac Cloud, Inc. became a wholly-owned subsidiary of F5, Inc, (the “Company”) (such transaction, “Transaction”). In connection with such Transaction, the Company assumed the Lilac Cloud 2018 Equity Incentive Plan. This F5, Inc. Assumed Lilac Cloud 2018 Equity Incentive Plan (the “Plan”) is an amendment and restatement ef

February 2, 2023 EX-99.2

F5, Inc. Lilac Acquisition Equity Incentive Plan.

F5, Inc. Lilac Acquisition Equity Incentive Plan 1. Purposes. (a) Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are the Employees, Directors and Consultants of Lilac Cloud, Inc. and its affiliates (“Lilac”) to whom the Company offers employment in connection with the Company’s acquisition of Lilac. This Plan is intended to comply with Nasdaq Listing Rule 5635(c)(4)

January 25, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use

January 25, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Con

January 24, 2023 EX-99.1

Q1 FY23 Earnings Release Page 1 of 4

Q1 FY23 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

January 24, 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): January 24, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

January 24, 2023 SC 13G/A

FFIV / F5 Networks, Inc. / BlackRock Inc. Passive Investment

us3156161024012423.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 13) F5, INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 315616102 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which thi

January 20, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): January 15, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

January 9, 2023 EX-10.1

Severance Agreement by Haiyan Song and F5, Inc.

SEVERANCE AGREEMENT This Severance Agreement (“Agreement”) is entered into by Haiyan Song (“Employee”) and F5, Inc.

January 9, 2023 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): January 4, 2023 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation

November 15, 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 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 Number 000-

November 15, 2022 EX-4.1

Description of the Registrant's Securities

Exhibit 4.1 DESCRIPTION OF REGISTRANT?S SECURITIES F5, Inc. (the ?Company?) has one class of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended: Common Stock, no par value (the ?Common Stock?). The following summary includes a brief description of the Common Stock, as well as certain related additional information. This summary does not purport to

November 15, 2022 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2022* Name Jurisdiction of Organization Traffix Communication Systems, Ltd. Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a ?significant subsidiary? as defined in Regulation

November 2, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 27, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 25, 2022 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, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

October 25, 2022 EX-99.1

Q4 FY22 Earnings Release Page 1 of 4

Q4 FY22 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

October 11, 2022 EX-99.1

F5 Adds Marianne Budnik to Board of Directors

For more information contact: Investors Suzanne DuLong (206) 272-7049 [email protected] Media Rob Gruening (206) 272-6208 [email protected] F5 Adds Marianne Budnik to Board of Directors SEATTLE ? October 11, 2022 ? F5, Inc., (NASDAQ:FFIV) today announced the appointment of Marianne Budnik to its board of directors. Budnik joins F5?s board effective immediately. She is an accomplished leader, with ex

October 11, 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, 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 Date of Report (Date of Earliest Event Reported): October 7, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation

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 ? 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 000-26041 F5,

July 25, 2022 EX-99.1

Q3 FY22 Earnings Release Page 1 of 4

Q3 FY22 Earnings Release Page 1 of 4 Contacts Investors Suzanne DuLong +1 (206) 272-7049 s.

July 25, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, 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 Date of Report (Date of Earliest Event Reported): July 22, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

May 31, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip Code) Tom

May 31, 2022 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2021

F5, Inc. Conflict Minerals Report Year Ended December 31, 2021 Introduction This Conflict Minerals Report (the "Report") for F5, Inc. ("F5, the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2021 to December 31, 2021 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Reasonable Country of Origin Inquiry

May 6, 2022 EX-FILING FEES

Filing Fee Table.

EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) F5, Inc. (Exact Name of Registrant as Specified in its Charter) 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 Fee Rate Amount of Registration Fee Equity Common Stock, no par value Rule 457(c) and Rul

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 ? 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 000-26041 F5,

May 6, 2022 S-8

As filed with the Securities and Exchange Commission on May 6, 2022 Registration No. 333- SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 F5, INC. (Exact name of registrant as

As filed with the Securities and Exchange Commission on May 6, 2022 Registration No.

April 26, 2022 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 26, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

April 26, 2022 EX-99.1

Q2 FY22 Earnings Release Page 1 of 4

Q2 FY22 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 s.

March 11, 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): March 10, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation)

March 11, 2022 EX-10.1

F5, Inc. Incentive Plan, as amended and restated

F5, Inc. Incentive Plan 1.?PURPOSES. (a)?Eligible Award Recipients.?The persons eligible to receive Awards are the Employees, Directors and Consultants of the Company and its Affiliates. (b)?Available Awards.?The purpose of the Plan is to provide a means by which eligible recipients of Awards may be given an opportunity to benefit from increases in value of the Common Stock or from Company perform

February 10, 2022 SC 13G/A

FFIV / F5 Networks, 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.: 12)* Name of issuer: F5 Inc. Title of Class of Securities: Common Stock CUSIP Number: 315616102 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: ??Rule 13d-1

February 4, 2022 SC 13G/A

FFIV / F5 Networks, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* F5 Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 315616102 (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 Sche

February 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 ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 000-26041

January 26, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? ? ? Filed by a party other than the Registrant ?? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for U

January 26, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? ? ? Filed by a party other than the Registrant ?? Check the appropriate box: ?? Preliminary Proxy Statement ??

January 25, 2022 EX-99.1

Q1 FY22 Earnings Release Page 1 of 4

Q1 FY22 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 s.

January 25, 2022 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): January 25, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporatio

January 10, 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, 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 Date of Report (Date of Earliest Event Reported): January 5, 2022 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation

January 10, 2022 EX-99.1

F5 Adds Microsoft’s James Phillips to Board of Directors

For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 [email protected] Media Rob Gruening +1 (206) 272-6208 [email protected] F5 Adds Microsoft?s James Phillips to Board of Directors SEATTLE, WA ? January 10, 2022 - F5, Inc. (NASDAQ: FFIV) today announced the appointment of James Phillips, President, Digital Transformation Platform Group at Microsoft, to its board of directors. P

November 16, 2021 EX-4.1

Description of the Registrant's Securities

Exhibit 4.1 DESCRIPTION OF REGISTRANT?S SECURITIES As of November 16, 2021, F5, Inc. (the ?Company?) had one class of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended: Common Stock, no par value (the ?Common Stock?). The following summary includes a brief description of the Common Stock, as well as certain related additional information. This sum

November 16, 2021 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2021* Name Jurisdiction of Organization Shape Security, Inc. Delaware, U.S.A. Traffix Communication Systems, Ltd. Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a ?significan

November 16, 2021 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 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 Number 000-

November 15, 2021 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, 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): November 12, 2021 F5, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporati

November 15, 2021 EX-3.2

Eighth Amended and Restated Bylaws adopted November 12, 2021(

Exhibit 3.2 EIGHTH AMENDED AND RESTATED BYLAWS OF F5, INC. EFFECTIVE NOVEMBER 12, 2021 TABLE OF CONTENTS Page ARTICLE 1 OFFICES 1 1.1 PRINCIPAL OFFICE 1 1.2 REGISTERED OFFICE AND REGISTERED AGENT 1 1.3 OTHER OFFICES 1 ARTICLE 2 SHAREHOLDERS 1 2.1 ANNUAL MEETING 1 2.2 SPECIAL MEETINGS 7 2.3 NOTICE OF MEETINGS 7 2.4 QUORUM 9 2.5 VOTING OF SHARES 10 2.6 ADJOURNED MEETINGS 10 2.7 RECORD DATE 10 2.8 RE

November 15, 2021 EX-3.1

Fourth Amended and Restated Articles of Incorporation (Incorporated by reference to the Registrant’s Form 8-K filed on November 15, 2021).

Exhibit 3.1 FOURTH AMENDED AND RESTATED ARTICLES OF INCORPORATION OF F5, INC. I. Name The name of this Corporation (hereinafter called the ?Corporation?) is F5, Inc. II. Authorized Shares 2.1 This Corporation is authorized to issue 210,000,000 shares of stock in the aggregate. Such shares shall be divided into two classes as follows: (a) 200,000,000 shares of common stock (?Common Stock?). (b) 10,

November 10, 2021 SC 13G/A

FFIV / F5 Networks, Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* F5 Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 315616102 (CUSIP Number) October 29, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

November 1, 2021 S-8

As filed with the Securities and Exchange Commission on November 1, 2021 Registration No. 333- SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 F5 NETWORKS, INC. (Exact name of

As filed with the Securities and Exchange Commission on November 1, 2021 Registration No.

November 1, 2021 EX-99.1

F5 Networks, Inc. Threat Stack Acquisition Equity Incentive Plan.

F5 NETWORKS, INC. THREAT STACK ACQUISITION EQUITY INCENTIVE PLAN 1. Purposes. (a) Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are the Employees, Directors and Consultants of Threat Stack, Inc. and its affiliates (?Threat Stack?) to whom the Company offers employment in connection with the Company?s acquisition of Threat Stack. This Plan is intended to comply with

October 26, 2021 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 26, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

October 26, 2021 EX-99.1

Q4 FY21 Earnings Release Page 1 of 4

Q4 FY21 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong +1 (206) 272-7049 s.

September 20, 2021 EX-99.1

F5 Enhances Cloud Security Portfolio with Acquisition of Threat Stack Cloud-native application protection capabilities provide customers with real-time threat detection for cloud infrastructure and workloads

Exhibit 99.1 For more information contact: Media Rob Gruening (206) 272-6208 [email protected] Investors Suzanne DuLong (206) 272-7049 [email protected] FOR IMMEDIATE RELEASE F5 Enhances Cloud Security Portfolio with Acquisition of Threat Stack Cloud-native application protection capabilities provide customers with real-time threat detection for cloud infrastructure and workloads SEATTLE ? September

September 20, 2021 8-K

Regulation FD Disclosure

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): September 20, 2021 F5 NETWORKS, INC. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission

August 5, 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 ? 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 000-26041 F5 N

July 26, 2021 EX-99.1

Q3 FY21 Earnings Release Page 1 of 4

Q3 FY21 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong (206) 272-7049 s.

July 26, 2021 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, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

June 17, 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, 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 Date of Report (Date of Earliest Event Reported): June 14, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

June 17, 2021 EX-99.1

F5 Adds Michael Montoya to Board of Directors

For more information contact: Investors Suzanne DuLong (206) 272-7049 [email protected] Media Rob Gruening (206) 272-6208 [email protected] F5 Adds Michael Montoya to Board of Directors SEATTLE, JUNE 17, 2021 ? F5 Networks (NASDAQ: FFIV) today announced the appointment of Michael Montoya, Chief Information Security Officer at Equinix, the world's digital infrastructure company, to its Board of Direc

May 27, 2021 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip

May 27, 2021 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2020

F5 Networks, Inc. Conflict Minerals Report Year Ended December 31, 2020 Introduction This Conflict Minerals Report (the "Report") for F5 Networks, Inc. ("F5 Networks," "F5," the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2020 to December 31, 2020 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Rea

May 6, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? 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 000-26041 F5

May 6, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on May 6, 2021 Registration No.

April 27, 2021 EX-99.1

Q2 FY21 Earnings Release Page 1 of 4

Q2 FY21 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong (206) 272-7049 s.

April 27, 2021 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 27, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

March 15, 2021 EX-10.1

F5 Networks, Inc. 2014 Incentive Plan, as amended and restated

F5 NETWORKS, INC. 2014 INCENTIVE PLAN 1.?PURPOSES. (a)?Eligible Award Recipients. The persons eligible to receive Awards are the Employees, Directors and Consultants of the Company and its Affiliates. (b)?Available Awards. The purpose of the Plan is to provide a means by which eligible recipients of Awards may be given an opportunity to benefit from increases in value of the Common Stock or from C

March 15, 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, 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): March 11, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

March 3, 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 by the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

February 22, 2021 DEFA14A

- DEFA14A

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

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.: 11)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: F5 Networks Inc. Title of Class of Securities: Common Stock CUSIP Number: 315616102 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: ☒ R

February 5, 2021 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 000-26041

February 4, 2021 SC 13G

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* F5 Networks, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 315616102 (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 Schedu

February 1, 2021 EX-99.1

F5 Networks, Inc. Assumed Volterra, Inc. Amended and Restated 2017 Stock Plan.

F5 NETWORKS, INC. ASSUMED VOLTERRA 2017 STOCK PLAN On January 22, 2021, Volterra, Inc. became a wholly-owned subsidiary of F5 Networks, Inc, (the “Company”) (such transaction, “Transaction”). In connection with such Transaction, the Company assumed the Volterra, Inc. 2017 Stock Plan. This F5 Networks, Inc. Assumed Volterra 2017 Stock Plan (the “Plan”) is an amendment and restatement effective as o

February 1, 2021 EX-99.3

F5 Networks, Inc. Assumed Volterra, Inc. 2019 Restricted Stock Unit Sub-Plan France (sub-plan to the F5 Networks, Inc. Assumed Volterra, Inc. Amended and Restated 2017 Stock Plan).

THE VOLTERRA, INC. 2019 RESTRICTED STOCK UNIT SUB-PLAN FRANCE The Board of Volterra, Inc. (the “Company”) has established the Amended and Restated 2017 Stock Plan (the “Plan”) for the benefit of persons performing services for the Participating Company Group. Section 3.3 of the Plan specifically authorizes the Board to adopt procedures and forms relating to the Plan as it deems advisable with resp

February 1, 2021 EX-99.2

F5 Networks, Inc. Volterra Acquisition Equity Incentive Plan.

F5 Networks, Inc. Volterra Acquisition Equity Incentive Plan 1. Purposes. (a) Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are the Employees, Directors and Consultants of Volterra, Inc. and its affiliates (“Volterra”) to whom the Company offers employment in connection with the Company’s acquisition of Volterra. This Plan is intended to comply with Nasdaq Listing R

February 1, 2021 S-8

- S-8

As filed with the Securities and Exchange Commission on February 1, 2021 Registration No.

January 27, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 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): January 21, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

January 27, 2021 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant  ☐ Check the appropriate box:  ☐ Preliminary Proxy Statement  ☐ Confidential, for Use

January 26, 2021 EX-99.1

Q1 FY21 Earnings Release Page 1 of 4

Q1 FY21 Earnings Release Page 1 of 4 For more information contact: Investors Suzanne DuLong (206) 272-7049 s.

January 26, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 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): January 26, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

January 25, 2021 EX-99.1

F5 Completes Acquisition of Volterra Combination to create the first Edge 2.0 platform for enterprises and service providers

Exhibit 99.1 Rob Gruening Director, Corporate Communications F5 (206) 272 6208 [email protected] Suzanne DuLong VP, Investor Relations F5 (206) 272-7049 [email protected] Holly Lancaster WE Communications (415) 547-7054 [email protected] F5 Completes Acquisition of Volterra Combination to create the first Edge 2.0 platform for enterprises and service providers SEATTLE, JANUARY 25, 2021 – F5 Net

January 25, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets - 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): January 22, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

January 7, 2021 EX-2.1

Merger Agreement, dated January 5, 2021, by and among F5 Networks, Inc. Voyager Merger Sub Corporation, Volterra, Inc. and Shareholder Representative Services LLC(1)

TABLE OF CONTENTS Exhibit 2.1   EXECUTION MERGER AGREEMENT   by and among   F5 NETWORKS, INC.   VOYAGER MERGER SUB CORPORATION   VOLTERRA, INC.   and   SHAREHOLDER REPRESENTATIVE SERVICES LLC   (as Securityholder Representative)   January 5, 2021 TABLE OF CONTENTS TABLE OF CONTENTS Page Article I   THE MERGER 1.1 The Merger 1 1.2 General Effects of Merger 2 1.3 Effects of Merger on Securities of M

January 7, 2021 EX-99.2

F5 to Acquire Volterra January 7, 2021 All rights reserved. F5, F5 Networks, and the F5 logo are trademarks of F5 Networks, Inc. in the U.S. and in certain other countries. Other F5 trademarks are identified at F5.com. Any other products, services, o

Exhibit 99.2 F5 to Acquire Volterra January 7, 2021 All rights reserved. F5, F5 Networks, and the F5 logo are trademarks of F5 Networks, Inc. in the U.S. and in certain other countries. Other F5 trademarks are identified at F5.com. Any other products, services, or company names referenced herein may be trademarks of their respective owners with no endorsement or affiliation, express or implied, cl

January 7, 2021 EX-99.1

# # #

Exhibit 99.1 FOR RELEASE at 1:15 p.m. PT on Thursday, January 7, 2021 CONTACTS: Rob Gruening Director, Corporate Communications F5 (206) 272-6208 [email protected] Suzanne DuLong VP, Investor Relations F5 (206) 272-7049 [email protected] Holly Lancaster WE Communications (415) 547-7054 [email protected] F5 to Acquire Volterra to Create the First Edge 2.0 Platform for Enterprises and Service Pro

January 7, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition - 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): January 5, 2021 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inco

November 19, 2020 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2019* Name Jurisdiction of Organization Shape Security, Inc. Delaware, U.S.A. Traffix Communication Systems, Ltd. Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a “significan

November 19, 2020 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 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 Number 000-

November 19, 2020 EX-10.19

Form of 2014 Incentive Plan Award Agreement (Accelerated Vesting) as

Exhibit 10.19 F5 NETWORKS, INC. 2014 INCENTIVE PLAN AWARD AGREEMENT (Accelerated Vesting) Pursuant to the terms of its 2014 Incentive Plan (the “Plan”), F5 Networks, Inc., a Washington corporation (the “Company”), has granted you an award (the “Award”) (either a non-statutory stock option to purchase shares of the Company’s Common Stock (an “Option”) or stock units representing the right to receiv

November 9, 2020 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 Date of Report (Date of Earliest Event Reported): November 9, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission Fi

November 9, 2020 EX-99.2

Event Preview – November 9, 2020 Forward-looking statements This presentation contains forward-looking statements including, among other things, statements regarding the continuing strength and momentum of F5's business, future financial performance,

Exhibit 99.2 Event Preview – November 9, 2020 Forward-looking statements This presentation contains forward-looking statements including, among other things, statements regarding the continuing strength and momentum of F5's business, future financial performance, projected and target revenue, revenue mix, revenue growth rates and earnings ranges, income, earnings per share, share amounts and share

November 9, 2020 EX-99.1

F5 Networks Previews Upcoming Analyst and Investor Meeting and Status of Strategic Transformation Updates Horizon 2 Targets Including 6% to 7% Total Revenue Growth CAGR and Expanding Operating Margin, Resulting in Double-Digit Non-GAAP EPS Growth Ann

Exhibit 99.1 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 [email protected] Public Relations Nathan Misner (206) 272-7494 [email protected] F5 Networks Previews Upcoming Analyst and Investor Meeting and Status of Strategic Transformation Updates Horizon 2 Targets Including 6% to 7% Total Revenue Growth CAGR and Expanding Operating Margin, Resulting in Double-Digit Non

October 26, 2020 EX-99.1

Q4 FY20 Earnings Release Page 1 of 4

Q4 FY20 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

October 26, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 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 26, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

September 24, 2020 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): September 24, 2020 F5 Networks, I

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): September 24, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of i

September 24, 2020 EX-99.1

F5 Appoints Elizabeth Buse to Board of Directors

For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 [email protected] Public Relations Nathan Misner (206) 272-7494 [email protected] F5 Appoints Elizabeth Buse to Board of Directors SEATTLE, SEPTEMBER 24, 2020 - F5 Networks (NASDAQ: FFIV) today announced the appointment of Elizabeth Buse, former CEO of Monitise PLC, a global mobile banking and payments company, to its Board

August 5, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ 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 000-26041 F5 N

July 27, 2020 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 27, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

July 27, 2020 EX-99.1

Q3 FY20 Earnings Release Page 1 of 4

Q3 FY20 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

May 29, 2020 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2019

F5 Networks, Inc. Conflict Minerals Report Year Ended December 31, 2019 Introduction This Conflict Minerals Report (the "Report") for F5 Networks, Inc. ("F5 Networks," "F5," the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2019 to December 31, 2019 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Rea

May 29, 2020 SD

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 801 5th Avenue Seattle, WA 98104 (Address of principal executive offices) (Zip

May 6, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ 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 000-26041 F5

May 6, 2020 EX-10.3

F5 Networks, Inc. Shape Acquisition Equity Incentive Plan Award Agreement (Accelerated Vesting)§

EX-10.3 2 ffiv10qex1033312020.htm EXHIBIT 10.3 Exhibit 10.3 F5 NETWORKS, INC. SHAPE ACQUISITION EQUITY INCENTIVE PLAN AWARD AGREEMENT (Accelerated Vesting) Pursuant to the terms of its Shape Acquisition Equity Incentive Plan (the “Plan”), F5 Networks, Inc., a Washington corporation (the “Company”), has granted you an award (the “Award”) (either a non-statutory stock option to purchase shares of th

May 6, 2020 S-8

- FORM S-8

As filed with the Securities and Exchange Commission on May 6, 2020 Registration No.

April 27, 2020 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 27, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

April 27, 2020 EX-99.1

Q2 FY20 Earnings Release Page 1 of 4

Q2 FY20 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

April 9, 2020 EX-99.3

INDEX TO UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Unaudited Pro Forma Condensed Combined Financial Information Unaudited Pro Forma Condensed Combined Balance Sheet as of December 31, 2019 Unaudited Pro Forma Condensed Combined Inc

INDEX TO UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Unaudited Pro Forma Condensed Combined Financial Information Unaudited Pro Forma Condensed Combined Balance Sheet as of December 31, 2019 Unaudited Pro Forma Condensed Combined Income Statement for the three months ended December 31, 2019 Unaudited Pro Forma Condensed Combined Income Statement for the year ended September 30, 2019 Notes to Unaudited Pro Forma Condensed Combined Financial Information F5 NETWORKS UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On December 19, 2019, F5 Networks, Inc.

April 9, 2020 EX-99.1

SHAPE SECURITY, INC. Consolidated Financial Statements January 31, 2019 and December 31, 2017 (With Independent Auditors’ Report Thereon) SHAPE SECURITY, INC. Table of Contents

SHAPE SECURITY, INC. Consolidated Financial Statements January 31, 2019 and December 31, 2017 (With Independent Auditors’ Report Thereon) SHAPE SECURITY, INC. Table of Contents Page(s) Independent Auditors’ Report 1 Consolidated Balance Sheets 2 Consolidated Statements of Operations and Comprehensive Loss 3 Consolidated Statements of Changes in Stockholders’ Deficit 4 Consolidated Statements of Ca

April 9, 2020 EX-99.2

TABLE OF CONTENTS

TABLE OF CONTENTS Page No. Unaudited Condensed Consolidated Balance Sheets Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss Unaudited Condensed Consolidated Statements of Shareholders' Deficit Unaudited Condensed Consolidated Statements of Cash Flows Unaudited Notes to Condensed Consolidated Financial Statements Shape Security, Inc. Condensed Consolidated Balance Sh

April 9, 2020 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): January 24, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of i

April 7, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, 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 Date of Report (Date of Earliest Event Reported): April 1, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

April 7, 2020 EX-99.1

F5 Adds Sri Shivananda to its Board of Directors

CONTACTS: Investor Relations Public Relations Suzanne DuLong Nathan Misner (206) 272-7049 (206) 272-7494 s.

March 13, 2020 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): March 12, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

March 13, 2020 EX-10.1

F5 Networks, Inc. 2014 Incentive Plan, as amended and restated

F5 NETWORKS, INC. 2014 INCENTIVE PLAN 1. PURPOSES. (a) Eligible Award Recipients. The persons eligible to receive Awards are the Employees, Directors and Consultants of the Company and its Affiliates. (b) Available Awards. The purpose of the Plan is to provide a means by which eligible recipients of Awards may be given an opportunity to benefit from increases in value of the Common Stock or from C

March 9, 2020 DEFA14A

FFIV / F5 Networks, 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. 1) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use by the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defi

March 2, 2020 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 Date of Report (Date of Earliest Event Reported): March 1, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission File

March 2, 2020 EX-99.1

F5 Postpones Analyst and Investor Event Previously Scheduled for March 3

Exhibit 99.1 Contacts Investor Relations Suzanne DuLong (206) 272-7049 [email protected] Public Relations Nathan Misner (206) 272-7494 [email protected] F5 Postpones Analyst and Investor Event Previously Scheduled for March 3 SEATTLE, MARCH 1, 2020 – F5 Networks, Inc. (NASDAQ: FFIV) today announced that it has postponed its Analyst and Investor Event previously scheduled for Tuesday, March 3, in New Y

February 10, 2020 SC 13G/A

FFIV / F5 Networks, 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.: 9)* Name of issuer: F5 Networks Inc Title of Class of Securities: Common Stock CUSIP Number: 315616102 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: ☒ Rul

February 10, 2020 SC 13G/A

FFIV / F5 Networks, 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: F5 Networks Inc Title of Class of Securities: Common Stock CUSIP Number: 315616102 Date of Event Which Requires Filing of this Statement: January 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

February 5, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 000-26041

February 5, 2020 EX-10.2

Revolving Credit Agreement dated as of January 31, 2020, among F5 Networks, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as the Administrative Agent(8)

Exhibit 10.2 REVOLVING CREDIT AGREEMENT dated as of January 31, 2020, among F5 NETWORKS, INC., the LENDERS Party Hereto and JPMORGAN CHASE BANK, N.A., as the Administrative Agent JPMORGAN CHASE BANK, N.A. and BOFA SECURITIES, INC., as Joint Lead Arrangers and Joint Bookrunners BANK OF AMERICA, N.A., as the Syndication Agent Page ARTICLE I Definitions SECTION 1.01. Defined Terms....................

February 3, 2020 S-8

FFIV / F5 Networks, Inc. S-8 - - S-8

As filed with the Securities and Exchange Commission on February 3, 2020 Registration No.

February 3, 2020 EX-99.1

F5 Networks, Inc. Assumed Shape 2011 Stock Plan(1

F5 NETWORKS, INC. ASSUMED SHAPE 2011 STOCK PLAN On January 24, 2020, Shape Security, Inc. became a wholly-owned subsidiary of F5 Networks, Inc, (the “Company”) (such transaction, “Transaction”). In connection with such Transaction, the Company assumed the Shape Security, Inc. Amended and Restated 2011 Stock Plan. This F5 Networks, Inc. Assumed Shape 2011 Stock Plan (the “Plan”) is an amendment and

February 3, 2020 EX-99.2

F5 Networks, Inc. Shape Acquisition Equity Incentive Plan(1

F5 NETWORKS, INC. SHAPE ACQUISITION EQUITY INCENTIVE PLAN 1. PURPOSES. (a) Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are the Employees, Directors and Consultants of Shape Security, Inc. and its affiliates (“Shape”) to whom the Company offers employment in connection with the Company’s acquisition of Shape. This Plan is intended to comply with Nasdaq Listing Rule

January 27, 2020 EX-99.1

Q1 FY20 Earnings Release Page 1 of 4

Q1 FY20 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

January 27, 2020 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): January 27, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

January 24, 2020 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets

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): January 24, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission Fi

January 24, 2020 EX-99.1

F5 Completes Acquisition of Shape Security

Exhibit 99.1 Rob Gruening Director, Corporate Communications F5 Networks (206) 272-6208 [email protected] Suzanne DuLong VP, Investor Relations F5 Networks (206) 272-7049 [email protected] Holly Lancaster WE Communications (415) 547-7054 [email protected] F5 Completes Acquisition of Shape Security Combination is a Game-Changer for Comprehensive Application Security SEATTLE, JANUARY 24, 2020 – F

January 24, 2020 EX-10.1

Term Credit Agreement, dated as of January 24, 2020, among F5 Networks, Inc., the lenders party thereto and JPMorgan Chase Bank, N.A., as Administrative Agent(7)

Exhibit 10.1 EXECUTION VERSION TERM CREDIT AGREEMENT dated as of January 24, 2020, among F5 NETWORKS, INC., the LENDERS Party Hereto and JPMORGAN CHASE BANK, N.A., as the Administrative Agent JPMORGAN CHASE BANK, N.A. and BOFA SECURITIES, INC., as Joint Lead Arrangers and Joint Bookrunners BANK OF AMERICA, N.A., as the Syndication Agent TABLE OF CONTENTS Page ARTICLE I Definitions SECTION 1.01. De

January 24, 2020 DEF 14A

FFIV / F5 Networks, Inc. DEF 14A - - DEF 14A

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confid

January 23, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, 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): January 21, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

January 23, 2020 EX-3.1

Seventh Amended and Restated Bylaws (Incorporated by reference to the Registrant’s Form 8-K filed on January 23, 2020).

SEVENTH AMENDED AND RESTATED BYLAWS OF F5 NETWORKS, INC. APPROVED JANUARY 21, 2020 145901200.3 TABLE OF CONTENTS Page ARTICLE 1 OFFICES......................................................................................................................................... 1 1.1 PRINCIPAL OFFICE.........................................................................................................

January 17, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): January 14, 2020 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

December 24, 2019 8-K

Entry into a Material Definitive Agreement, 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): December 19, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission F

December 24, 2019 EX-10.1

Commitment Letter, dated as of December 19, 2019, by and among F5 Networks, Inc., JPMorgan Chase Bank, N.A, Bank of America, N.A., and BofA Securities, Inc.(2)

Exhibit 10.1 JPMORGAN CHASE BANK, N.A. 383 Madison Avenue New York, New York 10179 BANK OF AMERICA, N.A. BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 CONFIDENTIAL December 19, 2019 F5 Networks, Inc. 801 5th Avenue Seattle, Washington 98104 Attention of Frank Pelzer, Chief Financial Officer Project Silhouette $400,000,000 Three-Year Term Facility Commitment Letter Ladies and Gentl

December 24, 2019 EX-2.1

Merger Agreement, dated December 19, 2019, by and among F5 Networks, Inc., Silhouette Merger Sub, Inc., Shape Security, Inc., and Shareholder Representative Services LLC(2)+

Exhibit 2.1 MERGER AGREEMENT by and among F5 NETWORKS, INC. SILHOUETTE MERGER SUB, INC. SHAPE SECURITY, INC. and SHAREHOLDER REPRESENTATIVE SERVICES LLC (as Securityholder Representative) December 19, 2019 TABLE OF CONTENTS Page Article I THE MERGER 1.1 The Merger 2 1.2 General Effects of Merger 3 1.3 Effects of Merger on Securities of Merging Corporations. 3 1.4 Calculation of the Total Closing C

December 19, 2019 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 Date of Report (Date of Earliest Event Reported): December 19, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of in

December 19, 2019 EX-99.1

Rob Gruening Director, Corporate Communications F5 Networks (206) 272-6208 [email protected] Suzanne DuLong VP, Investor Relations F5 Networks (206) 272-7049 [email protected] Holly Lancaster WE Communications (415) 547-7054 [email protected] F5 t

Rob Gruening Director, Corporate Communications F5 Networks (206) 272-6208 [email protected] Suzanne DuLong VP, Investor Relations F5 Networks (206) 272-7049 [email protected] Holly Lancaster WE Communications (415) 547-7054 [email protected] F5 to Acquire Shape Security, Transforming Application Security • Shape, a leader in fraud and abuse prevention, adds protection from automated attacks, b

November 15, 2019 EX-4.1

Description of the Registrant's Securities

Exhibit 4.1 DESCRIPTION OF REGISTRANT’S SECURITIES As of November 15, 2019, F5 Networks, Inc. (the “Company”) had one class of securities registered pursuant to Section 12 of the U.S. Securities Exchange Act of 1934, as amended: Common Stock, no par value (the “Common Stock”). The following summary includes a brief description of the Common Stock, as well as certain related additional information.

November 15, 2019 10-K

Annual Report - 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 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 Number 000-

November 15, 2019 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF THE REGISTRANT AS OF SEPTEMBER 30, 2019* Name Jurisdiction of Organization Traffix Communication Systems, Ltd. (Israel) Israel Versafe, Ltd. Israel F5 Networks Singapore Pte Ltd. Singapore F5 Networks Ltd. United Kingdom F5 Government Solutions LLC Virginia, U.S.A. * All other subsidiaries would not in the aggregate constitute a “significant subsidiary” as defined in R

October 23, 2019 EX-99.1

Q4 FY19 Earnings Release Page 1 of 4

Q4 FY19 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

October 23, 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): October 23, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of inc

August 2, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ 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 000-26041 F5 N

August 2, 2019 EX-10.1

Nginx, Inc. Acquisition Equity Incentive Plan Award Agreement(1

F5 NETWORKS, INC. NGINX ACQUISITION EQUITY INCENTIVE PLAN AWARD AGREEMENT (Accelerated Vesting) Pursuant to the terms of its Nginx Acquisition Equity Incentive Plan (the “Plan”), F5 Networks, Inc., a Washington corporation (the “Company”), has granted you an award (the “Award”) (either a non-statutory stock option to purchase shares of the Company’s Common Stock (an “Option”) or stock units repres

August 1, 2019 S-8

FFIV / F5 Networks, Inc. S-8 - - FORM S-8

As filed with the Securities and Exchange Commission on August 1, 2019 Registration No.

July 24, 2019 EX-99.3

INDEX TO UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION Unaudited Pro Forma Combined Financial Information Unaudited Pro Forma Combined Balance Sheet as of March 31, 2019 Unaudited Pro Forma Combined Income Statement for the six months ended Marc

INDEX TO UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION Unaudited Pro Forma Combined Financial Information Unaudited Pro Forma Combined Balance Sheet as of March 31, 2019 Unaudited Pro Forma Combined Income Statement for the six months ended March 31, 2019 Unaudited Pro Forma Combined Income Statement for the fiscal year ended 2018 Notes to Unaudited Pro Forma Combined Financial Information F5 NETWORKS UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION The following unaudited pro forma combined balance sheet as of March 31, 2019 is based on the historical balance sheets of F5 Networks and Nginx and have been prepared to reflect the acquisition and related cash payments as if the acquisition had been consummated on March 31, 2019.

July 24, 2019 EX-99.1

TABLE OF CONTENTS

TABLE OF CONTENTS Page No. Independent Auditor's Report Consolidated Balance Sheets Consolidated Statements of Operations and Comprehensive Loss Consolidated Statements of Stockholders' Equity Consolidated Statements of Cash Flows Notes to Consolidated Financial Statements INDEPENDENT AUDITOR'S REPORT To the Board of Directors and Stockholders Nginx, Inc. British Virgin Islands We have audited the

July 24, 2019 EX-99.2

TABLE OF CONTENTS

TABLE OF CONTENTS Page No. Unaudited Condensed Consolidated Balance Sheets Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss Unaudited Condensed Consolidated Statements of Stockholders' Equity Unaudited Condensed Consolidated Statements of Cash Flows Unaudited Notes to Condensed Consolidated Financial Statements Nginx, Inc. Condensed Consolidated Balance Sheets (unau

July 24, 2019 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A 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 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

July 24, 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): July 24, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorp

July 24, 2019 EX-99.1

Q3 FY19 Earnings Release Page 1 of 4

Q3 FY19 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

May 31, 2019 SD

FFIV / F5 Networks, Inc. SD - - FORM SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 401 Elliott Avenue West Seattle, WA 98119 (Address of principal executive offic

May 31, 2019 EX-1.01

Conflict Minerals Report for the reporting period January 1 to December 31, 2018

F5 Networks, Inc. Conflict Minerals Report Year Ended December 31, 2018 Introduction This Conflict Minerals Report (the "Report") for F5 Networks, Inc. ("F5 Networks," “F5,” the "Company," "we," "us," and "our") is presented for the reporting period from January 1, 2018 to December 31, 2018 to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934. For the purpose of the Rea

May 29, 2019 EX-99.1

Nginx, Inc. 2011 Share Plan(1

F5 NETWORKS, INC. ASSUMED NGINX INC. 2011 SHARE PLAN On May 8, 2019, Nginx, Inc. a British Virgin Island corporation, became a wholly-owned subsidiary of F5 Networks, Inc., a Washington corporation (the “Company” (such transaction, “Transaction”). In connection with such Transaction, the Company assumed the Nginx Inc. 2011 Share Plan. This F5 Networks, Inc. Assumed Nginx Inc. 2011 Share Plan (the

May 29, 2019 S-8

F5 Networks, Inc. Nginx Acquisition Equity Incentive Plan (Incorporated by reference to the Registrant’s Form S-8 Filed on May 29, 2019).

As filed with the Securities and Exchange Commission on May 29, 2019 Registration No.

May 29, 2019 EX-99.2

Nginx, Inc. Acquisition Equity Incentive Plan(1

F5 NETWORKS, INC. NGINX ACQUISITION EQUITY INCENTIVE PLAN 1. PURPOSES. (a) Eligible Stock Award Recipients. The persons eligible to receive Stock Awards are the Employees, Directors and Consultants of Nginx, Inc. and its affiliates (“Nginx”) to whom the Company offers employment in connection with the Company’s acquisition of Nginx. This Plan is intended to comply with Nasdaq Listing Rule 5635(c)(

May 29, 2019 S-8

FFIV / F5 Networks, Inc. S-8 - - FORM S-8

As filed with the Securities and Exchange Commission on May 29, 2019 Registration No.

May 9, 2019 EX-99.1

F5 Completes Acquisition of NGINX

EX-99.1 Exhibit 99.1 CONTACTS: Nathan Misner Suzanne DuLong F5 Networks F5 Networks Global Communications Investor Relations (206) 272-7494 (206) 272-7049 [email protected] [email protected] F5 Completes Acquisition of NGINX SEATTLE, May 9, 2019 – F5 Networks (NASDAQ: FFIV), the global leader in multi-cloud application services, announced today that it has completed the acquisition of NGINX, an open s

May 9, 2019 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

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 8, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commission Fil

May 3, 2019 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q þ 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 000-26041 F5

April 24, 2019 EX-99.1

Q2 FY19 Earnings Release Page 1 of 4

Q2 FY19 Earnings Release Page 1 of 4 For more information contact: Investor Relations Suzanne DuLong (206) 272-7049 s.

April 24, 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 24, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

March 14, 2019 EX-10.1

F5 Networks, Inc. 2014 Incentive Plan, as amended and restated

EX-10.1 2 exhibit1012014plan.htm EXHIBIT 10.1 F5 NETWORKS, INC. 2014 INCENTIVE PLAN 1. PURPOSES. (a) Eligible Award Recipients. The persons eligible to receive Awards are the Employees, Directors and Consultants of the Company and its Affiliates. (b) Available Awards. The purpose of the Plan is to provide a means by which eligible recipients of Awards may be given an opportunity to benefit from in

March 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, 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): March 14, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction (Commission (IRS Employer of incor

March 14, 2019 EX-10.2

F5 Networks, Inc. 2011 Employee Stock Purchase Plan, as amended and restated

F5 NETWORKS, INC 2011 EMPLOYEE STOCK PURCHASE PLAN 1.PURPOSE. (a) The purpose of the Plan is to provide a means by which Employees of the Company and certain designated Affiliates may be given an opportunity to purchase Shares of the Company. (b) The Company, by means of the Plan, seeks to retain the services of such Employees, to secure and retain the services of new Employees and to provide ince

March 11, 2019 EX-2.1

Merger Agreement dated as of March 9, 2019, by and among the Registrant, Nginx, Inc., Neva Merger Sub Limited, and Fortis Advisors LLC(1)

EX-2.1 Exhibit 2.1 FINAL VERSION MERGER AGREEMENT by and among F5 NETWORKS, INC. NEVA MERGER SUB LIMITED, NGINX, INC. and FORTIS ADVISORS LLC (As Securityholder Representative) MARCH 9, 2019 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 1.1 The Merger 2 1.2 General Effects of Merger 2 1.3 Effects of Merger on Securities of Merging Corporations 3 1.4 Calculation of the Total Closing Consideration 6

March 11, 2019 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, 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 Date of Report (Date of Earliest Event Reported): March 9, 2019 F5 Networks, Inc. (Exact name of registrant as specified in its charter) Washington 000-26041 91-1714307 (State or other jurisdiction of incorporation) (Commiss

March 11, 2019 EX-99.1

F5 Acquires NGINX to Bridge NetOps & DevOps, Providing Customers with Consistent Application Services Across Every Environment

EX-99.1 Exhibit 99.1 CONTACTS: Nathan Misner Suzanne DuLong Jesica Church F5 Networks F5 Networks NGINX, Inc. Global Communications Investor Relations Marketing (206) 272-7494 (206) 272-7049 (415) 706-1804 [email protected] [email protected] [email protected] F5 Acquires NGINX to Bridge NetOps & DevOps, Providing Customers with Consistent Application Services Across Every Environment • F5, the global

February 11, 2019 SC 13G/A

FFIV / F5 Networks, Inc. / VANGUARD GROUP INC Passive Investment

f5networksinc.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.: 8 )* Name of issuer: F5 Networks Inc Title of Class of Securities: Common Stock CUSIP Number: 315616102 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to des

February 1, 2019 10-Q

FFIV / F5 Networks, Inc. FORM 10-Q (Quarterly Report)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period 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 000-26041

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