William M. Thalman - 11 Feb 2026 Form 4 Insider Report for FOSTER L B CO (FSTR)

Role
EVP & CFO
Signature
/s/ William M. Thalman by Judith Balog, attorney-in-fact
Issuer symbol
FSTR
Transactions as of
11 Feb 2026
Net transactions value
-$78,724
Form type
4
Filing time
12 Feb 2026, 16:34:42 UTC
Previous filing
27 May 2025
Next filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
THALMAN WILLIAM M EVP & CFO L.B. FOSTER COMPANY, 415 HOLIDAY DRIVE, SUITE 100, PITTSBURGH /s/ William M. Thalman by Judith Balog, attorney-in-fact 12 Feb 2026 0001104808
This filing has been restated, see here for the amended filing

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSTR Common Stock Options Exercise $0 +1,667 +2.3% $0.000000 75,567 11 Feb 2026 Direct F1, F2, F3
transaction FSTR Common Stock Tax liability $26,147 -829 -1.1% $31.54 74,738 11 Feb 2026 Direct F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FSTR Performance Stock Units Options Exercise $52,577 -1,667 -100% $31.54 0 11 Feb 2026 Common Stock 1,667 Direct F1, F4
holding FSTR Performance Stock Units 1,667 11 Feb 2026 Common Stock 1,667 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This amount represents 50 percent of the Performance-based stock unit award granted on 3/31/2021 and earned on 2/11/2026.
F2 Includes 18,519 Performance Restricted Stock Units earned under the 2023-2025 Long Term Incentive Plan granted on 2/14/2023; those 18,519 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 2,385 Performance Restricted Stock Units earned under the 2024-2026 Long Term Incentive Plan granted on 5/23/2024; those 2,385 Performance Restricted Stock Units will settle at the end of the performance period on December 31, 2026, upon certification by the Compensation Committee.
F4 Performance-based stock unit award of 3,333 shares was granted on 3/31/2021 and expires on 02/28/2026, 5 years after the grant date. Fifty percent of the award, or 1,666 shares, was earned on 4/05/2024. The remaining 50% of the award, or 1,667 shares, may be earned when the consecutive 30-day average closing stock price per share of the Company's common stock on the Nasdaq Stock Market is $30.00 per share or more and is generally subject to continued employment with the Company.