Jeffrey A. Fielkow - 11 Nov 2025 Form 4 Insider Report for TRIMAS CORP (TRS)

Role: Director
Signature: /s/ Jodi F. Robin, as attorney-in-fact
Issuer symbol: TRS
Transactions as of: 11 Nov 2025
Net transactions value: +$62,920
Form type: 4
Filing time: 12 Nov 2025, 16:51:45 UTC
Previous filing: 21 May 2025
Next filing: 16 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Fielkow Jeffrey A	Director	38505 WOODWARD AVE., SUITE 200, BLOOMFIELD HILLS	/s/ Jodi F. Robin, as attorney-in-fact	12 Nov 2025	0001968494

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TRS	Common Stock	Purchase	$62,920	+2,000	+13%	$31.46	17,653	11 Nov 2025	Direct	F1
holding	TRS	Common Stock						1,000	11 Nov 2025	By spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.44 to $31.48 inclusive. The reporting person undertakes to provide to TriMas Corporation, any security holder of TriMas Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $31.44 to $31.48 inclusive. The reporting person undertakes to provide to TriMas Corporation, any security holder of TriMas Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.