Robert Ness - 22 May 2026 Form 4 Insider Report for FOSTER L B CO (FSTR)

Reporting relationship: SVP, Precast Concrete Products
Issuer ticker: FSTR
Reported as of: 22 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 15:21:17 UTC
Prior SEC filing: 09 Mar 2026
Source filing: View source filing
Reporting owner signature: Robert Ness by Maribel Castro, attorney-in-fact

Key filing fact

Robert Ness filed Form 4 for FOSTER L B CO (FSTR) on 27 May 2026.

Key facts

This page summarizes Robert Ness's Form 4 filing for FOSTER L B CO (FSTR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 May 2026, 15:21.

Change

Previous filing in this sequence was filed on 09 Mar 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 0001888828 Primary reporting owner

Ness Robert

Relationship: SVP, Precast Concrete Products
Address: L.B. FOSTER COMPANY, 415 HOLIDAY DRIVE, SUITE 100, PITTSBURGH
Signature: Robert Ness by Maribel Castro, attorney-in-fact
Signature date: 27 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FSTR transaction

Common Stock

Tax liability

Transaction value
Shares: -683
Change %: -2.1%
Price: $38.11^*
Shares after: 32,370
Date: 22 May 2026
Ownership: Direct
Footnotes: F1, F2, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Shares withheld to pay taxes applicable to the vesting of restricted stock related to the 2025-2027 LTIP Awarded 5/22/2025.

Footnote F2

Includes 3,219 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 3,219 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification of the Compensation Committee.

Footnote F3

Includes 764 Performance Restricted Stock Units earned under the 2025-2027 Long Term Incentive Plan granted on 5/22/2025; those 764 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2027, upon certification by the Compensation Committee.