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0000842633-23-000126.txt : 20231117 0000842633-23-000126.hdr.sgml : 20231117 20231117160656 ACCESSION NUMBER: 0000842633-23-000126 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20231108 FILED AS OF DATE: 20231117 DATE AS OF CHANGE: 20231117 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Stress Jill S. CENTRAL INDEX KEY: 0002001135 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-10716 FILM NUMBER: 231418658 MAIL ADDRESS: STREET 1: 38505 WOODWARD AVENUE CITY: BLOOMFIELD HILLS STATE: MI ZIP: 48304 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TRIMAS CORP CENTRAL INDEX KEY: 0000842633 STANDARD INDUSTRIAL CLASSIFICATION: METAL FORGING & STAMPINGS [3460] IRS NUMBER: 382687639 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 38505 WOODWARD AVENUE STREET 2: SUITE 200 CITY: BLOOMFIELD HILLS STATE: MI ZIP: 48304 BUSINESS PHONE: 2486315400 MAIL ADDRESS: STREET 1: 38505 WOODWARD AVENUE STREET 2: SUITE 200 CITY: BLOOMFIELD HILLS STATE: MI ZIP: 48304 3 1 wk-form3_1700255202.xml FORM 3 X0206 3 2023-11-08 0 0000842633 TRIMAS CORP TRS 0002001135 Stress Jill S. 38505 WOODWARD AVENUE SUITE 200 BLOOMFIELD HILLS MI 48304 0 1 0 0 Chief Human Resources Officer Common Stock 15933 I See footnote Common Stock 9599 D Through the Jill S. Stress Revocable Trust dated July 27, 2022 Includes restricted stock units subject to time vesting. Exhibit 24.1 Power of Attorney /s/ Jodi F. Robin, as attorney-in-fact 2023-11-17 EX-24 2 jspoa.htm EX-24 jspoa

Exhibit 24.1 Jill S. Stress Section 16 POA Know all by these presents, that the undersigned hereby constitutes and appoints Jodi F. Robin and Karen A. Cohen, each individually, the undersigned's true and lawful attorney-in-fact to: (a) execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of TriMas Corporation (the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder; (b) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Forms 3, 4 or 5, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and (c) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. The undersigned hereby grants to each of such attorneys-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorneys-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934. This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 8th day of November, 2023. /s/ Jill S. Stress __________________________________ Jill S. Stress