| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | FOSTER L B CO | 572,772 | 5.2% | EDGAR |
| SC 13G/A | 2024-02-09 | DIMENSIONAL FUND ADVISORS LP | FOSTER L B CO | 681,635 | 6.2% | EDGAR |
| SC 13D/A | 2024-01-26 | 22NW Fund, LP | FOSTER L B CO | 1,313,121 | 11.9% | EDGAR |
| SC 13D/A | 2023-08-09 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 181,098 | 1.6% | EDGAR |
| SC 13D/A | 2023-05-19 | 22NW Fund, LP | FOSTER L B CO | 1,313,121 | 11.8% | EDGAR |
| SC 13D/A | 2023-04-07 | 22NW Fund, LP | FOSTER L B CO | 1,023,235 | 9.4% | EDGAR |
| SC 13D/A | 2023-02-17 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 148,771 | 1.4% | EDGAR |
| SC 13G | 2023-02-13 | BRANDES INVESTMENT PARTNERS, LP | FOSTER L B CO | 678,603 | 6.2% | EDGAR |
| SC 13G/A | 2023-02-10 | DIMENSIONAL FUND ADVISORS LP | FOSTER L B CO | 682,881 | 6.2% | EDGAR |
| SC 13G | 2023-02-09 | VANGUARD GROUP INC | FOSTER L B CO | 582,465 | 5.3% | EDGAR |
| SC 13D/A | 2022-10-07 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 132,742 | 1.2% | EDGAR |
| SC 13G/A | 2022-02-10 | RENAISSANCE TECHNOLOGIES LLC | FOSTER L B CO | 445,432 | 4.1% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | FOSTER L B CO | 459,297 | 4.2% | EDGAR |
| SC 13G/A | 2022-02-08 | DIMENSIONAL FUND ADVISORS LP | FOSTER L B CO | 656,357 | 6.1% | EDGAR |
| SC 13D | 2022-02-01 | 22NW Fund, LP | FOSTER L B CO | 1,023,235 | 9.4% | EDGAR |
| SC 13D/A | 2022-01-14 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 116,925 | 1.1% | EDGAR |
| SC 13D/A | 2021-11-18 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 109,705 | 1.0% | EDGAR |
| SC 13G/A | 2021-07-12 | BlackRock Inc. | FOSTER L B CO | 166,690 | 1.5% | EDGAR |
| SC 13D/A | 2021-05-26 | GAMCO INVESTORS, INC. ET AL | FOSTER L B CO | 148,000 | 1.4% | EDGAR |
| SC 13D/A | 2021-03-12 | Legion Partners Asset Management, LLC | FOSTER L B CO | 287,882 | 2.7% | EDGAR |