[Form 4] Trinity Industries, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Gregory B. Mitchell, EVP Leasing and Services at Trinity Industries, Inc. (TRN), reported an insider sale. On 09/07/2025 he disposed of 4,890 shares of Trinity common stock at a reported price of $28.57 per share, reducing his direct holdings to 124,619 shares. The Form 4 was filed on behalf of Mr. Mitchell on 09/09/2025. No derivative transactions or additional remarks are reported in the filing.

Insights

Securities Analyst

TL;DR: A routine officer sale of 4,890 TRN shares was reported; filing shows a reduction in direct holdings to 124,619 shares.

This Form 4 documents a straightforward non-derivative sale by an executive. The volume sold and the remaining ownership are explicitly stated; there are no derivative trades, amendments, or explanatory remarks in the filing. For investors, the filing provides transparency on an officer-level disposition but does not include information on the reason for the sale or any material corporate developments.

Corporate Governance Expert

TL;DR: Officer/director reported a single open-market sale; disclosure consistent with Section 16 requirements.

The report identifies Gregory B. Mitchell as both an officer and director and lists his title as EVP Leasing and Services. The submission appears procedural and complies with reporting norms: transaction date, price, quantity, and post-transaction beneficial ownership are provided. The filing contains no indication of related-party transactions, planned trading programs, or material corporate actions.

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
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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^*

Mitchell Gregory B

(Last) (First) (Middle)

14221 N DALLAS PARKWAY

SUITE 1100

(Street)

DALLAS TX 75254

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TRINITY INDUSTRIES INC [ NYSE/TRN ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP Leasing and Services

3. Date of Earliest Transaction (Month/Day/Year)
09/07/2025

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	09/07/2025		F		4,890	D	$28.57	124,619	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:

	Phillip M. Kim For: Gregory B. Mitchell	09/09/2025
	** 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 transaction did Gregory B. Mitchell report on Form 4 for TRN?

He sold 4,890 shares of Trinity common stock on 09/07/2025 at a reported price of $28.57 per share.

How many TRN shares does Gregory B. Mitchell own after the reported sale?

He beneficially owns 124,619 shares following the transaction, reported as direct ownership.

What is Gregory B. Mitchell's role at Trinity Industries (TRN)?

He is listed as EVP Leasing and Services and is identified as an officer and director in the filing.

Were any derivative securities reported on this Form 4 for TRN?

No derivative transactions are reported; Table II contains no entries.

When was the Form 4 for this TRN transaction filed?

Filed on 09/09/2025 by Phillip M. Kim on behalf of Gregory B. Mitchell, per the signature block.