Capital International reports 11.2% passive stake in Trinity Industries (TRN)

Rhea-AI Filing Summary

Trinity Industries, Inc. received an amended ownership report showing that Capital International Investors beneficially owns 8,993,565 shares of Trinity common stock, representing 11.2% of the class as of the event date. Capital International Investors reports sole voting power over 8,988,375 shares and sole dispositive power over 8,993,565 shares, with no shared voting or dispositive power. The filing states these securities are held in the ordinary course of business and not for the purpose of changing or influencing control of Trinity Industries. Trinity’s total shares outstanding are cited as 80,180,523 shares believed to be outstanding, providing context for the reported ownership percentage.

Insights

Institutional ownership analyst

Capital International reports an 11.2% passive stake in Trinity.

Capital International Investors, a division of Capital Research and Management Company and affiliates, reports beneficial ownership of 8,993,565 Trinity Industries common shares, or 11.2% of the class. It holds sole voting power on 8,988,375 shares and sole dispositive power on 8,993,565 shares.

The certification states the position is held in the ordinary course of business and not to change or influence control. This indicates a passive institutional stake rather than an activist position, which typically carries fewer implications for near‑term corporate strategy.

The filing references 80,180,523 Trinity shares believed to be outstanding as of the reported date, giving scale to Capital International’s holding. Future ownership updates, if any, would appear in subsequent beneficial ownership reports.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

Trinity Industries, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

896522109

(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. 896522109

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 8,988,375.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 8,993,565.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,993,565.00

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)

11.2 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Trinity Industries, Inc.
(b)	Address of issuer's principal executive offices: 14221 N DALLAS PARKWAY, SUITE 1100, DALLAS, TX 75254
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.: 896522109
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: 8,993,565 ** **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 8,993,565 shares or 11.2% of the 80,180,523 shares believed to be outstanding.
(b)	Percent of class: 11.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 8,988,375
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 8,993,565
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Capital Income Builder
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 ownership stake in Trinity Industries (TRN) does Capital International Investors report?

Capital International Investors reports beneficial ownership of 8,993,565 Trinity Industries common shares, representing 11.2% of the outstanding class. This figure is based on 80,180,523 shares of Trinity common stock believed to be outstanding at the time of the filing.

Does Capital International Investors have voting control over its Trinity Industries (TRN) shares?

Capital International Investors reports sole voting power over 8,988,375 Trinity shares and no shared voting power. It also has sole dispositive power over 8,993,565 shares, indicating it alone decides how these shares are voted and disposed.

Is Capital International Investors’ stake in Trinity Industries (TRN) an activist position?

No. The certification states the Trinity shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control. This aligns with a passive institutional investment rather than an activist campaign.

How many Trinity Industries (TRN) shares are cited as outstanding in this Schedule 13G/A?

The filing states that Capital International Investors is deemed beneficial owner of 8,993,565 shares, or 11.2% of 80,180,523 Trinity shares believed to be outstanding. This outstanding share figure is used to calculate the reported ownership percentage.

Who signed the Schedule 13G/A for Capital International Investors regarding Trinity Industries (TRN)?

The Schedule 13G/A is signed by Jae Won Chung, identified as Vice President and Senior Counsel II, Capital Research and Management Company. The signature certifies that the information in the statement is true, complete, and correct to the best of their knowledge.