InsiderTrades

Form 4 for FSTR FOSTER L B CO

Accepted 2026-02-12 00:00:00 ET · period of report 2026-02-11 · accession 0001104808-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-02-12 2026-02-11 FSTR THALMAN WILLIAM M EVP, CFO M - OptEx $0.00 +1,667 75.6K +2% $0
D 2026-02-12 2026-02-11 FSTR THALMAN WILLIAM M EVP, CFO F - Tax $31.54 -829 74.7K -1% -$26.1K
D 2026-02-12 2026-02-11 FSTR THALMAN WILLIAM M EVP, CFO M - OptEx $31.54 -1,667 0 -100% -$52.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-11 M A 1,667 $0.00 75,567 D — — (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.
2 Common Common Stock 2026-02-11 F D 829 $31.54 74,738 D — — (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.
3 Derivative Performance Stock Units 2026-02-11 M D 1,667 $31.54 0 D — · — to 2026-02-28 1,667 Common Stock (F1) This amount represents 50 percent of the Performance-based stock unit award granted on 3/31/2021 and earned on 2/11/2026. (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.