[Form 4] Trimas Corporation Insider Trading Activity

Rhea-AI Filing Summary

Trimas Corporation director Daniel P. Tredwell filed a Form 4 reporting a transaction dated 08/11/2025. The filing shows a transaction with code P, a reported price of $35.387, and a reported beneficial ownership following the transaction of 60,409.424 shares. The Form 4 also discloses 7,500 shares held indirectly by his spouse. The form was signed by an attorney-in-fact on 08/13/2025.

Positive

• Reported beneficial ownership of 60,409.424 shares following the transaction
• Disclosure includes indirect spousal holdings of 7,500 shares, providing clarity on related-party ownership

Negative

• None.

Insights

Securities Analyst

TL;DR: Director reported an acquisition raising beneficial ownership to 60,409.424 shares; filing appears routine and not materially disruptive.

The Form 4 submitted by Daniel P. Tredwell documents a transaction dated 08/11/2025 with transaction code "P" and a reported price of $35.387. The filing lists beneficial ownership after the transaction as 60,409.424 shares and separately notes 7,500 shares indirectly held by the spouse. This is a standard Section 16 disclosure that notifies the market of insider changes in ownership; the filing itself contains no earnings or corporate-action data that would suggest a material revaluation of TRS.

Corporate Governance Expert

TL;DR: Form 4 discloses an insider transaction and spousal indirect ownership; disclosure is clear but appears routine in nature.

The document identifies Tredwell as a director and records the reported transaction information plainly: transaction date 08/11/2025, a transaction code of "P," and a stated price of $35.387. It also reports 7,500 shares indirectly owned by the spouse and includes an attorney-in-fact signature dated 08/13/2025. From a governance perspective, the filing meets basic disclosure expectations by reporting direct and indirect holdings, but it does not in itself indicate governance changes or material corporate developments.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tredwell Daniel P

(Last) (First) (Middle)

300 ATLANTIC

7TH FLOOR

(Street)

STAMFORD CT 06901

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TRIMAS CORP [ TRS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/11/2025	08/12/2025	P		66.356	A	$35.387	60,409.424	D
Common Stock								7,500	I	By spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Jodi F. Robin, as attorney-in-fact	08/13/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Daniel P. Tredwell report on the Form 4 for TRS?

He reported a transaction dated 08/11/2025 with transaction code P, a reported price of $35.387, and beneficial ownership of 60,409.424 shares following the transaction.

How many shares does the filing show as indirectly owned by Tredwell's spouse for TRS?

The Form 4 discloses 7,500 shares held indirectly by the spouse.

When was the Form 4 signed and filed for the TRS transaction?

The filing bears an attorney-in-fact signature dated 08/13/2025 and lists the transaction date as 08/11/2025.

Does the Form 4 report the price per share for the TRS transaction?

Yes; the form shows a reported price of $35.387 per share for the listed transaction.

What is Daniel P. Tredwell's relationship to TRS as stated on the Form 4?

The Form 4 identifies Daniel P. Tredwell as a Director of Trimas Corporation (TRS).