TRIMAS CORP (TRS) General Counsel sells 5,000 shares in open-market trades

Rhea-AI Filing Summary

TRIMAS CORP General Counsel Jodi F. Robin reported selling common stock in two open-market transactions. She sold 3,000 shares of Common Stock on May 5 at $41.095 per share and 2,000 shares on May 7 at $41.605 per share. After these sales, she directly holds 34,191 shares.

Insider Trade Summary

Net Seller: 5,000 shares ($206,495)

Net Sell 2 txns

Insider Robin Jodi F.

Role General Counsel and Secretary

Sold 5,000 shs ($206K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,000	$41.605	$83K
Sale	Common Stock	3,000	$41.095	$123K

Holdings After Transaction: Common Stock — 34,191 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold May 5: 3,000 shares Shares sold May 7: 2,000 shares Total shares sold: 5,000 shares +3 more

6 metrics

Shares sold May 5 3,000 shares Open-market sale at $41.095 per share

Shares sold May 7 2,000 shares Open-market sale at $41.605 per share

Total shares sold 5,000 shares Two open-market sales of Common Stock

Shares held after transactions 34,191 shares Direct Common Stock ownership after sales

Sale price May 5 $41.095 per share Open-market sale of 3,000 shares

Sale price May 7 $41.605 per share Open-market sale of 2,000 shares

Key Terms

Common Stock, open-market sale, Form 4

3 terms

Common Stock financial

"She sold 3,000 shares of Common Stock on May 5"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open-market sale financial

"two open-market sales of Common Stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"The Form 4 filing shows that Jodi F. Robin sold a total of 5,000"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

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^*

Robin Jodi F.

(Last) (First) (Middle)

38505 WOODWARD AVENUE

SUITE 200

(Street)

BLOOMFIELD HILLS MICHIGAN 48304

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	General Counsel and Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

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

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

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

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	05/05/2026		S		3,000	D	$41.095	36,191	D
Common Stock	05/07/2026		S		2,000	D	$41.605	34,191	D

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	05/07/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did TRIMAS CORP (TRS) report for Jodi F. Robin?

TRIMAS CORP reported that General Counsel Jodi F. Robin conducted two open-market sales of Common Stock. She sold 3,000 shares on May 5 and 2,000 shares on May 7, for a combined total of 5,000 shares sold across both transactions.

At what prices did Jodi F. Robin sell TRIMAS CORP (TRS) shares?

Jodi F. Robin sold TRIMAS CORP Common Stock at prices just above $41 per share. She sold 3,000 shares at $41.095 per share on May 5 and 2,000 shares at $41.605 per share on May 7 in open-market transactions.

How many TRIMAS CORP (TRS) shares does Jodi F. Robin hold after these sales?

Following the reported open-market sales, Jodi F. Robin directly holds 34,191 TRIMAS CORP Common Stock shares. This post-transaction balance reflects her remaining direct ownership after selling a total of 5,000 shares across the two transactions disclosed in the filing.

What is the total number of TRIMAS CORP (TRS) shares sold in this Form 4 filing?

The Form 4 filing shows that Jodi F. Robin sold a total of 5,000 TRIMAS CORP Common Stock shares. These sales occurred in two separate open-market transactions: 3,000 shares on May 5 and 2,000 shares on May 7, both at prices slightly above $41.

What role does Jodi F. Robin hold at TRIMAS CORP (TRS) in this Form 4?

In the Form 4, Jodi F. Robin is identified as an officer of TRIMAS CORP, serving as General Counsel and Secretary. The reported transactions therefore represent trades made by a senior legal and corporate governance executive of the company in its Common Stock.