Sara Fay Rolli - 19 Feb 2026 Form 4/A - Amendment Insider Report for FOSTER L B CO (FSTR)

Signature
/s/Sara Fay Rolli by Judith Balog, attorney-in-fact
Issuer symbol
FSTR
Transactions as of
19 Feb 2026
Net transactions value
-$46,656
Form type
4/A - Amendment
Filing time
03 Mar 2026, 15:38:12 UTC
Date Of Original Report
23 Feb 2026
Previous filing
03 Mar 2026
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Rolli Sara Fay SVP, Operational Admin C/O L.B. FOSTER COMPANY, 415 HOLIDAY DRIVE, SUITE 100, PITTSBURGH /s/Sara Fay Rolli by Judith Balog, attorney-in-fact 03 Mar 2026 0002048182

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSTR Common Stock Award $0 +956 +13% $0.000000 8,171 19 Feb 2026 Direct F1, F2, F3, F4
transaction FSTR Common Stock Award $0 +584 +7.1% $0.000000 8,755 19 Feb 2026 Direct F2, F5, F6
transaction FSTR Common Stock Award $0 +407 +4.6% $0.000000 9,162 19 Feb 2026 Direct F2, F6, F7, F8
transaction FSTR Common Stock Award $0 +1,985 +22% $0.000000 11,147 19 Feb 2026 Direct F2, F6, F8, F9
transaction FSTR Common Stock Tax liability $46,656 -1,499 -13% $31.12 9,648 19 Feb 2026 Direct F6, F8, F10
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the number of shares of common stock resulting from Performance Share Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023 upon certification of performance results by the Compensation Committee at 47.2% for the annual period ended December 31, 2025.
F2 Includes 3,072 shares of common stock resulting from the settlement of Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 3,072 Performance Restricted Stock Units settled at the end of the 2023-2025 performance period upon certification by the Compensation Committee on 2/19/2026.
F3 Includes 382 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 382 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification by the Compensation Committee.
F4 This amended Form 4 was filed to correct the number of shares beneficially owned to reflect the amendment made to the Form 4 originally filed on 2/18/26. The amendment to the Form 4 was filed on 3/03/26 to correct the number of shares withheld to pay taxes applicable to the vesting of restricted stock on 2/13/26 and 2/14/26.
F5 Represents the number of Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024 upon certification of performance results by the Compensation Committee at 39.5% for the annual period ended December 31, 2025. The earned Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification by the Compensation Committee.
F6 Includes 966 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 966 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification of the Compensation Committee.
F7 Represents the number of Performance Restricted Stock Units earned under the 2025-2027 Long Term Incentive Plan granted on 5/22/2025 upon certification of performance results by the Compensation Committee at 11.2% for the annual period ended December 31, 2025. The earned Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2027, upon certification by the Compensation Committee.
F8 Includes 407 Performance Restricted Stock Units earned under the 2025-2027 Long Term Incentive Plan granted on 5/22/2025; those 407 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2027, upon certification by the Compensation Committee.
F9 Award of restricted stock units (RSUs), which are settled in stock upon vesting, and generally will vest ratably over a three-year period on the first, second, and third anniversary of the date of grant.
F10 Shares withheld to pay taxes upon the vesting and settlement of all earned performance shares related to the 2023-2025 LTIP awarded on 2/14/2023.