Robert C. Biesterfeld Jr. - 21 May 2026 Form 4 Insider Report for TRINITY INDUSTRIES INC (/TRN)

Reporting relationship: Director
Issuer ticker: /TRN
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 26 May 2026, 16:57:12 UTC
Prior SEC filing: 02 Apr 2026
Next SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: Phillip M. Kim For: Robert C. Biesterfeld Jr.

Key filing fact

Robert C. Biesterfeld Jr. filed Form 4 for TRINITY INDUSTRIES INC (/TRN) on 26 May 2026.

Key facts

This page summarizes Robert C. Biesterfeld Jr.'s Form 4 filing for TRINITY INDUSTRIES INC (/TRN).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 26 May 2026, 16:57.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001663286 Primary reporting owner

Biesterfeld Robert C Jr

Relationship: Director
Address: 14221 N DALLAS PARKWAY, SUITE 1100, DALLAS
Signature: Phillip M. Kim For: Robert C. Biesterfeld Jr.
Signature date: 26 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

/TRN transaction Derivative

Trinity Stock Units

Award

Transaction value
Shares: +4,024
Change %
Price: $0.000000^*
Shares after: 4,024
Date: 21 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,024
Exercise price: $0.000000
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Restricted Stock Units granted pursuant to the Fifth Amended and Restated Trinity Industries, Inc. 2004 Stock Option and Incentive Plan. Distribution is 1 for 1 in Trinity Stock after Director's termination. Units vest upon the first annual stockholders meeting following the Date of Grant.