TriMas Corp (TRS) gains 10.2% shareholder position from Bank of America

Rhea-AI Filing Summary

Bank of America Corporation filed an amended Schedule 13G reporting beneficial ownership of 4,161,891 shares of TriMas Corp common stock, representing 10.2% of the class. The filing shows no sole voting or dispositive power, with all reported authority shared among Bank of America and its subsidiaries.

The ownership percentage is based on 40,645,671 TriMas shares outstanding as reported in the issuer’s Form 10-Q as of October 21, 2025. Bank of America certifies that the shares are held in the ordinary course of business and not for the purpose of changing or influencing control of TriMas.

Insights

Equity ownership and disclosure analyst

Bank of America reports a passive 10.2% stake in TriMas via Schedule 13G.

Bank of America Corporation discloses beneficial ownership of 4,161,891 TriMas common shares, equal to 10.2% of the class. The stake is calculated using 40,645,671 shares outstanding as of October 21, 2025, as reported by TriMas.

The filing splits authority between entities: no sole voting or dispositive power, with shared voting over 3,991,863 shares and shared dispositive power over 3,992,837 shares. Subsidiaries include broker-dealers and banking entities such as BofA Securities, Inc. and Bank of America N.A.

Bank of America certifies that the position was acquired and is held in the ordinary course of business and not to change or influence control of TriMas. Subsequent ownership reports may show whether this passive stake increases, decreases, or remains around the disclosed 10.2% level.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

TRIMAS CORP

(Name of Issuer)

Common Stock

(Title of Class of Securities)

896215209

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 896215209

1

Names of Reporting Persons

BANK OF AMERICA CORP /DE/

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,991,863.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,992,837.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,161,891.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.2 %

12

Type of Reporting Person (See Instructions)

HC

Comment for Type of Reporting Person: The beneficial ownership calculation relies on the 40,645,671 outstanding shares disclosed in the Form 10-Q by the issuer on October 28, 2025, which reports share totals as of October 21, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TRIMAS CORP
(b)	Address of issuer's principal executive offices: 38505 WOODWARD AVENUE, SUITE 200, BLOOMFIELD HILLS, MICHIGAN, 48304.
Item 2.
(a)	Name of person filing: BANK OF AMERICA CORP /DE/
(b)	Address or principal business office or, if none, residence: 100 N TRYON ST CHARLOTTE, NC 28255
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 896215209
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 4,161,891.00
(b)	Percent of class: 10.2%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0.00
	(ii) Shared power to vote or to direct the vote: 3,991,863.00
	(iii) Sole power to dispose or to direct the disposition of: 0.00
	(iv) Shared power to dispose or to direct the disposition of: 3,992,837.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. This statement on Schedule 13G is being filed by Bank of America Corporation on behalf of itself and its wholly owned subsidiaries BofA Securities, Inc., a broker dealer registered under section 15 of the Act (15 U.S.C. 78o); Bank of America N.A., a bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); Merrill Lynch Pierce Fenner & Smith, Inc., a broker dealer registered under section 15 of the Act (15 U.S.C. 78o); Merrill Lynch International, a non-U.S. institution in accordance with section 240.13d-1(b)(1)(ii)(J). U.S. Trust Co of Delaware, a corporation which holding does not exceed one percent of the reported securities.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BANK OF AMERICA CORP /DE/

Signature:	/s/ Andres Ortiz
Name/Title:	Authorized Signatory
Date:	02/11/2026

FAQ

What stake in TriMas Corp (TRS) does Bank of America report?

Bank of America reports beneficial ownership of 4,161,891 TriMas common shares, representing 10.2% of the outstanding class. This percentage is calculated using 40,645,671 TriMas shares outstanding as of October 21, 2025, as disclosed in TriMas’s Form 10-Q.

Is Bank of America’s TriMas (TRS) stake a passive investment?

Yes. Bank of America certifies the TriMas shares were acquired and are held in the ordinary course of business and not for changing or influencing control. The certification also states they are not held in connection with any transaction intended to affect control of TriMas.

How much voting power does Bank of America have in TriMas (TRS)?

Bank of America reports no sole voting power and shared voting power over 3,991,863 TriMas shares. It also reports shared dispositive power over 3,992,837 shares, reflecting coordinated authority among Bank of America and its listed subsidiaries.

Which Bank of America entities hold the TriMas (TRS) shares?

The filing is made by Bank of America Corporation on behalf of itself and wholly owned subsidiaries including BofA Securities, Inc., Bank of America N.A., Merrill Lynch Pierce Fenner & Smith, Inc., Merrill Lynch International, and U.S. Trust Co of Delaware, among others described in the ownership section.

How was the 10.2% TriMas (TRS) ownership calculated for Bank of America?

The 10.2% figure is based on 40,645,671 TriMas shares outstanding, as disclosed in TriMas’s Form 10-Q filed October 28, 2025, reporting shares outstanding as of October 21, 2025. Bank of America’s 4,161,891 beneficially owned shares are divided by that outstanding share total.

What type of SEC filing did Bank of America submit for its TriMas (TRS) position?

Bank of America submitted an Amendment No. 2 to Schedule 13G, a beneficial ownership report used for passive holdings. The amendment updates the number of TriMas shares and percentage of the class that Bank of America and its subsidiaries beneficially own.