Robert C. Biesterfeld Jr. - 31 Dec 2025 Form 4 Insider Report for TRINITY INDUSTRIES INC (TRN)

Role: Director
Signature: Phillip M. Kim For: Robert C. Biesterfeld Jr.
Issuer symbol: TRN
Transactions as of: 31 Dec 2025
Net transactions value: +$28,529
Form type: 4
Filing time: 05 Jan 2026, 16:29:04 UTC
Previous filing: 02 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Biesterfeld Robert C Jr	Director	14221 N DALLAS PARKWAY, SUITE 1100, DALLAS	Phillip M. Kim For: Robert C. Biesterfeld Jr.	05 Jan 2026	0001663286

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	/TRN	Trinity Phantom Stock Units	Award	$28,529	+1,079	+9.1%	$26.44	12,915	31 Dec 2025	Common Stock	1,079	$0.000000	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Trinity Phantom Stock Units were accrued under the Trinity Industries, Inc. Deferred Plan for Directors Fees. Stock units are converted at "1 - for - 1" (a rate of one stock unit per one share of Trinity common stock). Settlement of the account will be in cash after the reporting person's retirement.