1,000 Trinity (NYSE: TRN) shares withheld for executive tax payment

Rhea-AI Filing Summary

Trinity Industries Vice President and CAO Christina N. Maldonado reported a tax-withholding disposition of 1,000 shares of common stock. The shares were valued at $34.26 each and were delivered to cover tax obligations, not sold on the market. After this transaction, she directly owns 24,487 shares of Trinity Industries common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Maldonado Christina N

Role Vice President and CAO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,000	$34.26	$34K

Holdings After Transaction: Common Stock — 24,487 shares (Direct, null)

Footnotes (1)

Key Figures

Tax-withholding shares: 1,000 shares Transaction price: $34.26 per share Post-transaction holdings: 24,487 shares

3 metrics

Tax-withholding shares 1,000 shares Common Stock delivered for tax liability

Transaction price $34.26 per share Value applied to tax-withholding disposition

Post-transaction holdings 24,487 shares Directly owned Common Stock after transaction

Key Terms

Common Stock, tax-withholding disposition, Payment of exercise price or tax liability by delivering securities

3 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Payment of exercise price or tax liability by delivering securities financial

"transaction_code_description: "Payment of exercise price or tax liability by delivering securities""

Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
hours per response:			0.5

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^*

Maldonado Christina N

(Last) (First) (Middle)

14221 N DALLAS PARKWAY

SUITE 1100

(Street)

DALLAS TEXAS 75254

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Vice President and CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	05/15/2026		F		1,000	D	$34.26	24,487	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: Christina N. Maldonado	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did TRN’s Christina Maldonado report?

Christina N. Maldonado reported a tax-withholding disposition of 1,000 Trinity Industries common shares. The shares were delivered to satisfy tax obligations at a value of $34.26 per share, rather than being sold in an open-market transaction.

Was the TRN insider transaction a market sale of shares?

No, the transaction was a tax-withholding disposition coded “F,” not an open-market sale. Shares were delivered to cover tax liabilities associated with equity compensation, according to the description “Payment of exercise price or tax liability by delivering securities.”

At what price were the 1,000 TRN shares valued in the tax withholding?

The 1,000 Trinity Industries common shares used for tax withholding were valued at $34.26 per share. This per-share value is disclosed as the transaction price and reflects the amount applied when delivering shares to cover the associated tax obligation.

How many TRN shares does Christina Maldonado hold after this transaction?

After the tax-withholding disposition, Christina N. Maldonado directly owns 24,487 Trinity Industries common shares. This post-transaction holding reflects her remaining equity position reported in the filing after 1,000 shares were used to satisfy tax liabilities.

What does code “F” mean in this TRN Form 4 filing?

Transaction code “F” indicates a tax-withholding disposition, where shares are delivered to pay an exercise price or tax liability. The filing’s description explicitly states “Payment of exercise price or tax liability by delivering securities,” clarifying the non-market nature of this event.