CMT / Core Molding Technologies, Inc. - تصريحات هيئة الأوراق المالية والبورصات، التقرير السنوي، بيان الوكيل

Investor Presentation Midwest IDEAS Conference August 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities

cmtaugust2025midwestidea Investor Presentation Midwest IDEAS Conference August 2025 Safe Harbor Statements and Non-GAAP Financial Measures Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

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 25, 2025 Core Molding Tech

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 25, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Alex

Core Molding Technologies Reports Fiscal 2025 Second Quarter Results Invest for Growth Success with First Half New Business Wins of $47 million and Announcement of Organic Investment of $25 million

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2025 Second Quarter Results Invest for Growth Success with First Half New Business Wins of $47 million and Announcement of Organic Investment of $25 million COLUMBUS, OH, August 5, 2025 – Core Molding Technologies, Inc.

Second Amended and Restated Employment Agreement between Mr. Duvall and the Company, dated August 1, 2025.

SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS SECOND AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (this “Agreement”) is made effective as of August 1, 2025 (the “Effective Date”), by and between CORE MOLDING TECHNOLOGIES, INC.

Core Molding Technologies Announces 2026 Leadership Transition CEO Dave Duvall to Retire May 2026, COO Eric Palomaki to Succeed Duvall

FOR IMMEDIATE RELEASE Core Molding Technologies Announces 2026 Leadership Transition CEO Dave Duvall to Retire May 2026, COO Eric Palomaki to Succeed Duvall COLUMBUS, OH, August 5, 2025 – Core Molding Technologies, Inc.

SECTION 302 CERTIFICATION

Exhibit 31(b) SECTION 302 CERTIFICATION I, Alex J. Panda, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

SECTION 302 CERTIFICATION

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

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 001-12505 CORE

CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

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 30, 2025 Core Molding Techno

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 30, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 Core Molding Techn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Amendment No. 1 to 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 09, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisd

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are su

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are su

EAST COAST IDEAS CONFERENCE JUNE 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

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 09, 2025 Core Molding Techno

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 09, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

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 15, 2025 Core Molding Technol

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 15, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

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, 2025 Core Molding Technolo

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, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

Core Molding Technologies Reports Fiscal 2025 First Quarter Results Focused Operational Execution Delivered Margin Improvements, Profitability, and Positive Free Cash Flow

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2025 First Quarter Results Focused Operational Execution Delivered Margin Improvements, Profitability, and Positive Free Cash Flow COLUMBUS, OH, May 8, 2025 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2025 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

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 001-12505 COR

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

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 ( )

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 ( ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy S

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 Core Molding Techn

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 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

ROTH CONFERENCE March 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to th

ROTH CONFERENCE March 2025 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

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, 2025 Core Molding Techn

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, 2025 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2024 are listed below.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2024, Core Molding Technologies, Inc.

Core Molding Technologies Reports Full Year and Fourth Quarter 2024 Results Record Operational Cash Flow and Margin Stability Driven by Strategic Initiatives

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2024 Results Record Operational Cash Flow and Margin Stability Driven by Strategic Initiatives COLUMBUS, OH, March 11, 2025 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

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 20, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

SOUTHWEST IDEAS CONFERENCE November 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are

SOUTHWEST IDEAS CONFERENCE November 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

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 11, 2024 Core Molding Te

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 11, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

Core Molding Technologies Announces Leadership Succession Plans for Next Chapter of Growth John Zimmer, Chief Financial Officer, to Exit May 31, 2025

Core Molding Technologies Announces Leadership Succession Plans for Next Chapter of Growth John Zimmer, Chief Financial Officer, to Exit May 31, 2025 COLUMBUS, Ohio, November 12, 2024—Core Molding Technologies, Inc.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

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 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 001-12505

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Core Molding Technologies Reports Fiscal 2024 Third Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 Third Quarter Results COLUMBUS, OH, November 5, 2024 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

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): August 27, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

MIDWEST IDEAS CONFERENCE August 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are sub

MIDWEST IDEAS CONFERENCE August 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered

EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc.

.1 to Registration Statement on Form S-8 (Registration No. 333-281428) filed August 9, 2024

- 1 - 1101332042\2\AMERICAS AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CORE MOLDING TECHNOLOGIES, INC.

1101271557\5\AMERICAS As filed with the Securities and Exchange Commission on August 9, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 193

s-8ltip 1101271557\5\AMERICAS As filed with the Securities and Exchange Commission on August 9, 2024 Registration No.

POWER OF ATTORNEY

EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints John P. Zimmer, the true and lawful attorney-in-fact and agent of the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, in any and all capacities, to sign one or more Registration Statements on Form S-8 of Core Molding Tech

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

Core Molding Technologies Reports Fiscal 2024 Second Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 Second Quarter Results COLUMBUS, OH, August 6, 2024 – Core Molding Technologies, Inc.

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 001-12505 CORE

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 6, 2024 Core Molding Techn

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 6, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

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 16, 2024 Core Molding Technol

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 16, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

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 7, 2024 Core Molding Technolo

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 7, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

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 001-12505 COR

Core Molding Technologies Reports Fiscal 2024 First Quarter Results

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2024 First Quarter Results COLUMBUS, OH, May 7, 2024 – Core Molding Technologies, Inc.

CMT / Core Molding Technologies, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 23) Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Author

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 ( )

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 ( ) Filed by the Registrant þ Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) þ Definitive Proxy S

Form Restricted Stock Agreement between Core Molding Technologies, Inc. and certain executive officers

Exhibit 10.2 CORE MOLDING TECHNOLOGIES, INC. CMLT RESTRICTED STOCK AGREEMENT AGREEMENT made as of , 20 (the “Grant Date”), by and between Core Molding Technologies, Inc. (the “Company”) and , an Executive of the Company (the “Executive”). W I T N E S S E T H WHEREAS, pursuant to the provisions of the Company’s 2021 Long-Term Equity Incentive Plan (the “Plan”), the Company desires to award to the E

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): April 05, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Form Performance Restricted Stock Award Agreement between Core Molding Technologies, Inc. and certain executive officers

Exhibit 10.1 PERFORMANCE RESTRICTED STOCK AWARD AGREEMENT GRANTED UNDER THE CORE MOLDING TECHNOLOGIES, INC. 2021 LONG-TERM EQUITY INCENTIVE PLAN This Performance Restricted Stock Award Agreement (this “Agreement”), dated as of , 20 (the “Grant Date”), is made and entered between Core Molding Technologies, Inc. (the “Company”) and (the “Grantee”), pursuant to, and subject to, the terms of the Compa

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)

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 þ Filed by a Party other than the Registrant o Check the appropriate box: þ Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defi

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

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

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 15, 2024 Core Molding Techn

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 15, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

ROTH CONFERENCE March 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to th

investorpresentationmarc ROTH CONFERENCE March 2024 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2023 are listed below.

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

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): March 12, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Core Molding Technologies Reports Full Year and Fourth Quarter 2023 Results Significant Cash Flow and Improved Returns from Fiscal 2023 Strategic Initiatives

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2023 Results Significant Cash Flow and Improved Returns from Fiscal 2023 Strategic Initiatives COLUMBUS, OH, March 12, 2024 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2023, Core Molding Technologies, Inc.

First Amendment to Credit Agreement

FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), is entered as of March 7, 2024 (the “Amendment Effective Date”), by and among CORE MOLDING TECHNOLOGIES, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 11, 2024 Core Molding Techn

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, 2024 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Core Molding Technologies Announces $7,500,000 Stock Repurchase Program

FOR IMMEDIATE RELEASE Core Molding Technologies Announces $7,500,000 Stock Repurchase Program COLUMBUS, OH, March 11, 2024 – Core Molding Technologies, Inc.

CMT / Core Molding Technologies, Inc. / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropr

CMT / Core Molding Technologies, Inc. / Wax Asset Management, LLC Passive Investment

SC 13G/A 1 fp0087120-5sc13ga.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 2)* Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) D

CORE MOLDING TECHNOLOGIES, INC. 800 Manor Park Drive Columbus, Ohio 43228-0183 (614) 870-5000

CORE MOLDING TECHNOLOGIES, INC. 800 Manor Park Drive Columbus, Ohio 43228-0183 (614) 870-5000 January 4, 2024 VIA EDGAR CORRESPONDENCE Division of Corporation Finance U.S. Securities & Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Jane Park Re: Core Molding Technologies, Inc. Registration Statement of Form S-3 (File No. 333-276261) Ladies and Gentlemen: Pursuant to Rule

Consent of Crowe LLP.

Exhibit 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement on Form S-3 of Core Molding Technologies, Inc.

Filing Fee Calculation

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-3 (Form Type) CORE MOLDING TECHNOLOGIES, INC.

Power of Attorney.

Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the individuals whose signatures appear below constitute and appoint David L.

Consent of Squire Patton Boggs (US) LLP (included in Exhibit 5(a)).

Exhibit 5 Squire Patton Boggs (US) LLP 2000 Huntington Center 41 South High Street Columbus, Ohio 43215 O +1 614 365 2700 squirepattonboggs.

Form of Indenture relating to debt securities.

Exhibit 4.1 Core Molding Technologies, Inc. as Issuer AND [] Indenture Dated as of [, 20] TABLE OF CONTENTS Page ARTICLE I DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 101. Definitions 1 Section 102. Compliance Certificates and Opinions 7 Section 103. Form of Documents Delivered to Trustee 8 Section 104. Acts of Holders 8 Section 105. Notices, Etc to Trustee and Company 9 Sect

As filed with the Securities and Exchange Commission on December 22, 2023

As filed with the Securities and Exchange Commission on December 22, 2023 Registration No.

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 13, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or or

SOUTHWEST IDEAS CONFERENCE November 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are

SOUTHWEST IDEAS CONFERENCE November 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

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 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 001-12505

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Core Molding Technologies Reports Fiscal 2023 Third Quarter Results Strategic Initiatives Continue to Drive Higher Returns and Generate Strong Cash Flow

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 Third Quarter Results Strategic Initiatives Continue to Drive Higher Returns and Generate Strong Cash Flow COLUMBUS, OH, November 7, 2023 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

Core Molding Technologies Appoints New Board Member

FOR IMMEDIATE RELEASE Core Molding Technologies Appoints New Board Member COLUMBUS, Ohio – November 2, 2023 – Core Molding Technologies, Inc.

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): November 1, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

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): August 23, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

MIDWEST IDEAS INVESTOR CONFERENCE August 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, whic

MIDWEST IDEAS INVESTOR CONFERENCE August 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

Core Molding Technologies Reports Fiscal 2023 Second Quarter Results Strong Earnings per Share of $0.91, up 250%, on Continued Execution of Strategic Priorities

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 Second Quarter Results Strong Earnings per Share of $0.

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

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 001-12505 CORE

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 8, 2023 Core Molding Techn

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 8, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

As filed with the Securities and Exchange Commission on June 9, 2023

As filed with the Securities and Exchange Commission on June 9, 2023 Registration No.

Filing Fee Table

EX-FILING FEES 2 a2023s-8filingfeetableex107.htm EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Table Form S-8 (Form Type) Core Molding Technologies, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Aggregate Offering Price Per Share Maximum Aggregate

Power of Attorney of Core Molding Technologies, Inc.

EX-24.1 5 a2023s-8poaex241.htm EX-24.1 EXHIBIT 24.1 POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints John P. Zimmer, the true and lawful attorney-in-fact and agent of the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, in any and all capacities, to sign one or more Registration Stat

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Core Molding Technologies Reports Fiscal 2023 First Quarter Results Strong Performance with Sales of $99.5 million, Earnings per Share Up 43%, Adjusted EBITDA Margin of 12.3%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2023 First Quarter Results Strong Performance with Sales of $99.

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

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 001-12505 COR

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

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): May 04, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

EF HUTTON INVESTOR CONFERENCE May 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are s

investorpresentation EF HUTTON INVESTOR CONFERENCE May 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

Core Molding Technologies to Participate in the Inaugural EF Hutton Global Conference in NYC COLUMBUS, OH, May 4, 2023 – Core Molding Technologies, Inc. (NYSE American: CMT) (“Core Molding”, “Core” or the “Company”), a leading engineered materials co

pressrelease Core Molding Technologies to Participate in the Inaugural EF Hutton Global Conference in NYC COLUMBUS, OH, May 4, 2023 – Core Molding Technologies, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 17, 2023 Core Molding Techn

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 17, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

SPRING 2023 INVESTOR PRESENTATION April 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which

cmtinvestorpresentation SPRING 2023 INVESTOR PRESENTATION April 2023 SAFE HARBOR STATEMENTS AND NON-GAAP FINANCIAL MEASURES 2 Certain statements in this Annual Report on Form 10-K constitute forward-looking statements within the meaning of the federal securities laws, which are subject to the "safe harbor" created by Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act").

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

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

CMT / Core Molding Technologies / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 22) Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Author

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

EX-24

EX-24 2 ex-24.htm SMITH POA LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS Know all by these presents, that the undersigned's hereby constitutes and appoints each of John P. Zimmer and Michael Del Regno, signing singly, the undersigned's true and lawful attorney-in-fact to: (1) Execute for and on behalf of the undersigned, in the undersigned's capacity as an executive officer of Co

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company’s principal affiliates as of December 31, 2022 are listed below.

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): March 14, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

Core Molding Technologies Reports Full Year and Fourth Quarter 2022 Results Record Full Year Sales, Net Income and Adjusted EBITDA

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Full Year and Fourth Quarter 2022 Results Record Full Year Sales, Net Income and Adjusted EBITDA COLUMBUS, OH, March 14, 2023 – Core Molding Technologies, Inc.

Filed Herein

Exhibit 4 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of December 31, 2022, Core Molding Technologies, Inc.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

Incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed March 14, 2023

PERFORMANCE RESTRICTED STOCK AWARD AGREEMENT GRANTED UNDER THE CORE MOLDING TECHNOLOGIES, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2023 Core Molding Techn

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, 2023 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

CMT / Core Molding Technologies, Inc. / DIMENSIONAL FUND ADVISORS LP - 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. 9 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

CMT / Core Molding Technologies, Inc. / Wax Asset Management, LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 1)* Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 31, 2022 (Date of Event W

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended September 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I,

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,

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 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 001-12505

Core Molding Technologies Reports Fiscal 2022 Third Quarter Results Record Quarterly Sales of $101.6 million, up 25%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 Third Quarter Results Record Quarterly Sales of $101.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

2022 Midwest IDEAS Conference INVESTOR PRESENTATION August 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, forw

2022 Midwest IDEAS Conference INVESTOR PRESENTATION August 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

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): August 19, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

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 001-12505 CORE

Core Molding Technologies Reports Fiscal 2022 Second Quarter Results Record Quarterly Sales of $98.7 million, up 23%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 Second Quarter Results Record Quarterly Sales of $98.

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, John

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Entry into a Material Definitive Agreement, Termination of 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

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 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

Incorporated by reference to Exhibit 10.1 to Current Report on Form 8-K filed on July 28, 2022

EX-10.1 2 creditagreement.htm EX-10.1 Execution Version CREDIT AGREEMENT Dated as of July 22, 2022 among CORE MOLDING TECHNOLOGIES, INC., as the Borrower, the other Loan Parties from time to time party hereto, the LENDERS from time to time party hereto and THE HUNTINGTON NATIONAL BANK, as Administrative Agent THE HUNTINGTON NATIONAL BANK, as Bookrunner and Lead Arranger ii TABLE OF CONTENTS ARTICL

2022 East Coast IDEAS Conference INVESTOR PRESENTATION June 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, for

2022 East Coast IDEAS Conference INVESTOR PRESENTATION June 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

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): June 21, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organi

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

Core Molding Technologies Reports Fiscal 2022 First Quarter Results Strong Demand Results in First Quarter Sales of $90.6 million and Adjusted EBITDA Margin of 10.5%

FOR IMMEDIATE RELEASE Core Molding Technologies Reports Fiscal 2022 First Quarter Results Strong Demand Results in First Quarter Sales of $90.

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended March 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, John

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2022 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

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 001-12505 COR

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ¨ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-12505 CORE MO

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, J

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, D

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

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

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): April 01, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

SPRING 2022 INVESTOR PRESENTATION April 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws. As a general matter, forward-looking stateme

SPRING 2022 INVESTOR PRESENTATION April 2022 1 DISCLAIMERS This presentation, our remarks, and answers to questions may contain forward-looking statements within the meaning of the federal securities laws.

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made

Filed Herein

Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company?s principal affiliates as of December 31, 2021 are listed below.

Filed Herein

EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, J

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ¨ TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number 001-1250

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2.Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-K for the period ended December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, D

Core Molding Technologies Reports Fiscal 2021 Fourth Quarter and Year-End Results Company Reports Record Annual Sales of $307 million Up 38% and Full Year Adjusted EBITDA of $26.6 million

Core Molding Technologies Reports Fiscal 2021 Fourth Quarter and Year-End Results Company Reports Record Annual Sales of $307 million Up 38% and Full Year Adjusted EBITDA of $26.

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): March 08, 2022 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

CMT / Core Molding Technologies, Inc. / DIMENSIONAL FUND ADVISORS LP - 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. 8 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

CMT / Core Molding Technologies, Inc. / Wax Asset Management, LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. )* Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 31, 2021 (Date of Event Wh

CORE MOLDING TECHNOLOGIES REPORTS Q3 2021 RESULTS

FOR IMMEDIATE RELEASE CORE MOLDING TECHNOLOGIES REPORTS Q3 2021 RESULTS COLUMBUS, Ohio ? November 5, 2021 - Core Molding Technologies, Inc.

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or org

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I,

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 X QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 for the transition period from To Commission File Number 001-12505

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I,

CMT / Core Molding Technologies, Inc. / GAMCO INVESTORS, INC. ET AL Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 21) Core Moldings Technologies, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) David Goldman GAMCO Investors, Inc. One Corporate Center Rye, New York 10580-1435 (914) 921-5000 (Name, Address and Telephone Number of Person Author

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): August 23, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or orga

I N V E S T O R P R E S E N T A T I O N Forward Looking Statements This presentation, our remarks, and answers to questions contains forward-looking statements within the meaning of the federal securities laws. As a general matter, forward-looking st

I N V E S T O R P R E S E N T A T I O N Forward Looking Statements This presentation, our remarks, and answers to questions contains forward-looking statements within the meaning of the federal securities laws.

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 001-12505 CORE

CORE MOLDING TECHNOLOGIES REPORTS Q2 2021 RESULTS

FOR IMMEDIATE RELEASE CORE MOLDING TECHNOLOGIES REPORTS Q2 2021 RESULTS COLUMBUS, Ohio ? August 6, 2021 - Core Molding Technologies, Inc.

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, David

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended June 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, John

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organ

Incorporated by reference to Exhibit 10(m) to Quarterly Report on Form 10-Q for the quarter ended June 30, 2021

CASH INCENTIVE PLAN OF CORE MOLDING TECHNOLOGIES, INC. (As Amended and Restated Effective August 6, 2021) 1.Purpose of the Plan. The purpose of this Cash Incentive Plan of Core Molding Technologies, Inc., formerly named the 2016 Executive Cash Incentive Plan of Core Molding Technologies, Inc., as amended and restated effective August 6, 2021, (the ?Plan?) is to advance the interests of Core Moldin

Incorporated by reference to Exhibit 10(n) to Quarterly Report on Form 10-Q for the quarter ended June 30, 2021

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (this "Agreement") is made effective as of , 2021 (the "Effective Date"), by and between CORE MOLDING TECHNOLOGIES, INC.

Incorporated by reference to Exhibit 10(q) to Current Report on Form 10-Q filed on August 6th, 2021

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT (this "Agreement") is made effective as of , 2021 (the "Effective Date"), by and between CORE MOLDING TECHNOLOGIES, INC.

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

CORE MOLDING TECHNOLOGIES REPORTS STRONG Q1 2021 RESULTS

FOR IMMEDIATE RELEASE CORE MOLDING TECHNOLOGIES REPORTS STRONG Q1 2021 RESULTS COLUMBUS, Ohio - May 7, 2021 - Core Molding Technologies, Inc.

Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiza

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other jurisdiction incorporation or organiz

Filed Herein

Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Davi

Filed Herein

Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were

Filed Herein

Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-Q for the period ended March 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the ?Report?), I, John

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 001-12505 COR

Filed Herein

Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1.I have reviewed this quarterly report on Form 10-Q of Core Molding Technologies, Inc.; 2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements wer

- DEF 14A 2021 PROXY STATEMENT

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 o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES NYSE American LLC hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on April 19, 2021, pursuant to the provisions of Rule 12d2-2 (a).

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, 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): March 30, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other Jurisdiction of Incorporation) (Com

- 8-A12B/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A (Amendment No. 1) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other Jurisdiction of Incorporation) (Commission

Incorporated by reference to Exhibit 3(a)(5) to Current Report on Form 8-K filed April 6, 2021

CERTIFICATE OF ELIMINATION OF THE SERIES B JUNIOR PARTICIPATING PREFERRED STOCK OF CORE MOLDING TECHNOLOGIES, INC.

Incorporated by reference to Exhibit 4(b)(1) to Current Report on Form 8-K filed April 6, 2021

AMENDMENT NO. 1 to STOCKHOLDER RIGHTS AGREEMENT between CORE MOLDING TECHNOLOGIES, INC. and AMERICAN STOCK TRANSFER & TRUST COMPANY, LLC, as Rights Agent This Amendment No. 1 (the ?Amendment?), dated as of March 30, 2021 to the Stockholder Rights Agreement (the ?Rights Agreement?), dated as of April 21, 2020, between Core Molding Technologies, Inc., a Delaware corporation (the ?Company?) and Ameri

CORE MOLDING TECHNOLOGIES ACCELERATES

FOR IMMEDIATE RELEASE CORE MOLDING TECHNOLOGIES ACCELERATES THE EXPIRATION OF STOCKHOLDER RIGHTS PLAN COLUMBUS, Ohio – Core Molding Technologies, Inc.

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): March 11, 2021 Core Molding Technologies, Inc. (Exact name of registrant as specified in its charter) Delaware 001-12505 31-1481870 (State or other Jurisdiction of Incorporation) (Com

CORE MOLDING TECHNOLOGIES REPORTS STRONG FULL YEAR 2020 RESULTS

FOR IMMEDIATE RELEASE CORE MOLDING TECHNOLOGIES REPORTS STRONG FULL YEAR 2020 RESULTS COLUMBUS, Ohio - March 11, 2021 - Core Molding Technologies, Inc.

Filed Herein

Table of Contents 1 Exhibit 31(a) SECTION 302 CERTIFICATION I, David L. Duvall, certify that: 1. I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which suc

Filed Herein

Table of Contents 1 EXHIBIT 24 POWERS OF ATTORNEY POWER OF ATTORNEY KNOWN ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of Core Molding Technologies, Inc.

Filed Herein

Table of Contents 1 Exhibit 32(a) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the ?Company?) on Form 10-K for the period ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof

Filed Herein

Table of Contents 1 Exhibit 31(b) SECTION 302 CERTIFICATION I, John P. Zimmer, certify that: 1. I have reviewed this annual report on Form 10-K of Core Molding Technologies, Inc.; 2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such

Filed Herein

Table of Contents 1 Exhibit 32(b) CORE MOLDING TECHNOLOGIES, INC. CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Quarterly Report of Core Molding Technologies, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2020 as filed with the Securities and Exchange Commission on the date hereof

Annual Report - 10-K 2020 CORE MOLDING TECHNOLOGIES, INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-12505 CORE MOLDING TE

Filed Herein

Table of Contents 1 Exhibit 21 SUBSIDIARIES OF REGISTRANT The Company's principal affiliates as of December 31, 2020, are listed below.

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7 )* Core Molding Technologies Inc (Name of Issuer) Common Stock (Title of Class of Securities) 218683100 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Core Molding Technologies Inc Title of Class of Securities: Common Stock CUSIP Number: 218683100 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 i

-

December 16, 2020 V IA E DGAR C ORRESPONDENCE Division of Corporation Finance U.S. Securities & Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Edward M. Kelly Re: Core Molding Technologies, Inc. Registration Statement on Form S-3 (File No. 333-251298) Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, Core Molding Technologies, Inc. (

Consent of Crowe LLP.

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in this Registration Statement on Form S-3 of Core Molding Technologies, Inc.

Form of Indenture relating to debt securities.

Exhibit 4.1 Core Molding Technologies, Inc. as Issuer AND [] Indenture Dated as of [, 20] TABLE OF CONTENTS (continued) Page -i- ARTICLE I DEFINITION S AND OTHER PROVISIONS OF GENERAL APPLICATION ........... 1 Section 101. Definitions ............................................................................................................ 1 Section 102. Compliance Certificates and Opinions ....

Consent of Squire Patton Boggs (US) LLP (included in Exhibit 5(a)).

Squire Patton Boggs (US) LLP 2000 Huntington Center 41 South High Street Columbus, Ohio 43215 O +1 614 365 2700 F +1 614 365 2499 squirepattonboggs.