Brian H. Kelly - 31 Dec 2025 Form 4 Insider Report for FOSTER L B CO (FSTR)

Role
EVP and Sr. Advisor to the CEO
Signature
/s/ Brian H. Kelly by Judith Balog, attorney-in-fact
Issuer symbol
FSTR
Transactions as of
31 Dec 2025
Net transactions value
-$161,242
Form type
4
Filing time
05 Jan 2026, 15:22:36 UTC
Previous filing
10 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kelly Brian H EVP and Sr. Advisor to the CEO L.B. FOSTER COMPANY, 415 HOLIDAY DRIVE, SUITE 100, PITTSBURGH /s/ Brian H. Kelly by Judith Balog, attorney-in-fact 05 Jan 2026 0001375886

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSTR Common Stock Tax liability $39,590 -1,469 -1.9% $26.95 77,558 31 Dec 2025 Direct F1, F2, F3
transaction FSTR Common Stock Tax liability $41,099 -1,525 -2% $26.95 76,033 31 Dec 2025 Direct F2, F3, F4
transaction FSTR Common Stock Tax liability $80,554 -2,989 -3.9% $26.95 73,044 31 Dec 2025 Direct F2, F3, F5
holding FSTR Common Stock 531 31 Dec 2025 L.B. Foster Company 401(k) Plan Shares
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Brian H. Kelly is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Shares withheld to pay taxes applicable to the accelerated vesting of restricted stock related to the 2023-2025 LTIP awarded on 2/14/2023.
F2 Includes 15,874 Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 15,874 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2025, upon certification by the Compensation Committee.
F3 Includes 2,035 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 2,305 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification of the Compensation Committee.
F4 Shares withheld to pay taxes applicable to the accelerated vesting of restricted stock related to the 2024-2026 LTIP awarded on 5/23/2024.
F5 Shares withheld to pay taxes applicable to the accelerated vesting of restricted stock related to the 2025-2027 LTIP awarded on 5/22/2025.