TriMas Corporation

Item 5.07. Submission of Matters to a Vote of Security Holders. TriMas Corporation (the "Company") held its 2026 Annual Meeting of Shareholders on May 20, 2026 (the "Annual Meeting"). There were a total of 36,685,359 shares of the Company’s common stock outstanding and entitled to vote at the Annual Meeting, and there were 30,071,708 shares of common stock represented in person or by proxy at the Annual Meeting, which constituted a quorum to conduct business at the Annual Meeting. The items voted upon at the Annual Meeting and the results of the vote on each proposal were as follows: Proposal 1. Election of directors for a three-year term: FOR WITHHELD BROKER NON-VOTES ────────────────────────────────────────────────────────────────────────── Holly M. Boehne 25,466,170 2,825,985 1,779,553 Herbert K. Parker 27,625,447 666,708 1,779,553 Proposal 2. Ratification of the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026: FOR AGAINST ABSTAIN ──────────────────────────────────────── 29,966,034 104,188 1,486 Proposal 3. Approval, on a non-binding advisory basis, of the compensation paid to the Company’s Named Executive Officers: FOR AGAINST ABSTAIN BROKER NON-VOTES ──────────────────────────────────────────────────────────────── 23,049,659 5,199,440 43,056 1,779,553 Based on the votes set forth above, each of the nominees for director were elected as directors and proposals 2 and 3 were approved by the shareholders of the Company.