Capital International exits TriMas (NYSE: TRS), reporting 0% ownership

Rhea-AI Filing Summary

Capital International Investors filed an amended Schedule 13G stating it no longer owns any TriMas Corp. common stock. The firm reports beneficial ownership of 0 shares, representing 0.0% of the 40,645,671 TriMas shares believed to be outstanding as of the reporting event.

The filing confirms Capital International Investors has no sole or shared voting or dispositive power over TriMas shares and now holds 5 percent or less of the class. It also certifies that any securities referenced were acquired and held in the ordinary course of business, without the purpose or effect of influencing control of TriMas.

Insights

Institutional Ownership Analyst

Capital International Investors reports a full exit from TriMas, now at 0% ownership.

Capital International Investors, a division of Capital Research and Management Company and affiliates, reports beneficial ownership of 0 TriMas Corp. common shares, or 0.0% of the 40,645,671 shares believed outstanding. All voting and dispositive powers are listed as zero.

This Schedule 13G amendment signals that an institutional holder that was once above the 5% threshold is no longer a beneficial owner. The certification also reiterates that any prior holdings were in the ordinary course of business and not aimed at changing or influencing control of TriMas.

Subsequent ownership reports from other institutions or insiders would provide additional context on how TriMas’s shareholder base is evolving after this reported exit by Capital International Investors.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

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

Capital International Investors

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 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

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)

0.0 %

12

Type of Reporting Person (See Instructions)

IA

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, MI 48304
Item 2.
(a)	Name of person filing: Capital International Investors
(b)	Address or principal business office or, if none, residence: 333 South Hope Street, 55th Fl, Los Angeles, CA 90071
(c)	Citizenship: N/A
(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: 0 ** **Capital International Investors ("CII") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CII's divisions of each of the investment management entities collectively provide investment management services under the name "Capital International Investors." CII is deemed to be the beneficial owner of 0 shares or 0.0% of the 40,645,671 shares believed to be outstanding.
(b)	Percent of class: 0.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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.
	Not Applicable
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.

Capital International Investors

Signature:	Jae Won Chung
Name/Title:	Vice President and Senior Counsel II, Capital Research and Management Company
Date:	02/12/2026

FAQ

What does the Schedule 13G/A for TriMas Corp (TRS) report about Capital International Investors?

The amended Schedule 13G reports that Capital International Investors now beneficially owns 0 TriMas Corp. common shares, equal to 0.0% of the 40,645,671 shares believed outstanding, indicating it is no longer a significant shareholder in the company.

How many TriMas Corp (TRS) shares does Capital International Investors currently own?

Capital International Investors reports beneficial ownership of 0 TriMas Corp. common shares. The filing states this represents 0.0% of the 40,645,671 TriMas common shares believed to be outstanding as of the event that triggered this ownership report.

What percentage of TriMas Corp (TRS) does Capital International Investors own according to this filing?

According to the filing, Capital International Investors owns 0.0% of TriMas Corp.’s common stock. It lists beneficial ownership of 0 shares out of 40,645,671 shares believed outstanding, confirming its position is below the 5 percent reporting threshold.

Why did Capital International Investors file an amended Schedule 13G for TriMas Corp (TRS)?

An amended Schedule 13G was filed because Capital International Investors’ beneficial ownership in TriMas Corp. common stock changed to 0 shares, or 0.0% of the class, as of the 12/31/2025 event date, bringing its stake to 5 percent or less.

Does Capital International Investors seek to influence control of TriMas Corp (TRS)?

The certification states the securities were acquired and are held in the ordinary course of business and not for changing or influencing control of TriMas. It also notes they were not acquired in connection with any transaction having that control-related purpose or effect.