STRESS JILL S.

PrivateCIK: 2001135
Location

BLOOMFIELD HILLS, MI

STRESS JILL S. enters TRIMAS CORP with 25.53K shares across direct and indirect positions

This filing by STRESS JILL S. (Chief Human Resources Officer) establishes the baseline for all future Form 4 insider transaction reports at TRIMAS CORP.

Direct Indirect
InsiderSTRESS JILL S.CIK 2001135
IssuerTRIMAS CORPCIK 842633
Officer· Chief Human Resources Officer
Since Feb 2026
25.53K
Baseline shares
38% direct
9.60K
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
2
Security positions
15.93K indirect
Non-Derivative Holdings2

Common Stock

Indirect
Shares owned15.93K

Common Stock

Direct
Shares owned9.60K
Total
9.60K direct·15.93K indirect25.53K
Derivative Holdings0
No derivative holdings reported
STRESS JILL S. — Initial Ownership Disclosure (Form 3) Filed Nov 17, 2023 | Finecho