Stress Jill S. 4

What Happened
Jill S. Stress, Chief Human Resources Officer of TRIMAS CORP (TRS), had 1,128 shares disposed on March 11, 2026 to satisfy an exercise price or tax liability (transaction code F). The shares were valued at $36.93 each, totaling approximately $41,657. This is a disposition for tax purposes rather than an open-market sell intended as a cash-out investment decision.

Key Details

• Transaction date and price: 2026-03-11 — 1,128 shares at $36.93 per share (total ~$41,657).
• Transaction type: Code F — payment of exercise price or tax withholding (shares withheld/disposed to cover taxes).
• Shares owned after transaction: Not specified in the provided filing excerpt.
• Footnote: Shares were handled through the "Jill S. Stress Revocable Trust dated July 27, 2022" (Footnote F1).
• Filing timeliness: Report filed 2026-03-12 for a 2026-03-11 transaction; appears to be filed within the normal Form 4 reporting window.

Context
An F-code disposition typically reflects withholding to cover taxes from an option exercise or restricted award vesting (a routine administrative action). This is not the same signal as an open-market sale or purchase; it generally doesn't imply a view on company prospects.