Foster L B Co
FSTRFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Foster L B Co Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 17 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 3, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | 2026-03-31 | 28,035 | $782K | SEC filing |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 2026-03-31 | 64,265 | $1.79M | SEC filing |
| GAMMA Investing LLC | 2026-03-31 | 60 | $1.67K | SEC filing |
| MassMutual Private Wealth & Trust, FSB | 2026-03-31 | 70 | $1.95K | SEC filing |
| AMERIPRISE FINANCIAL INC | 2026-03-31 | 22,473 | $627K | SEC filing |
| WealthTrust Axiom LLC | 2026-03-31 | 8,100 | $226K | SEC filing |
| Minerva Advisors LLC | 2026-03-31 | 83,965 | $2.34M | SEC filing |
| MARTINGALE ASSET MANAGEMENT L P | 2026-03-31 | 9,156 | $255K | SEC filing |
| Essential Partners LLC | 2026-03-31 | 20 | $558 | SEC filing |
| BNP PARIBAS FINANCIAL MARKETS | 2026-03-31 | 6,352 | $177K | SEC filing |
| CWM, LLC | 2026-03-31 | 366 | $10.2K | SEC filing |
| ACADIAN ASSET MANAGEMENT LLC | 2026-03-31 | 130,305 | Not shown | SEC filing |
| JPMORGAN CHASE & CO | 2026-03-31 | 4,149 | $116K | SEC filing |
| Tower Research Capital LLC (TRC) | 2026-03-31 | 1,097 | $30.6K | SEC filing |
| MAI Capital Management | 2026-03-31 | 2 | $56 | SEC filing |
| SBI Securities Co., Ltd. | 2026-03-31 | 1 | $28 | SEC filing |
| Ameritas Investment Partners, Inc. | 2026-03-31 | 888 | $24.8K | SEC filing |
| OSAIC HOLDINGS, INC. | 2026-03-31 | 8,586 | $240K | SEC filing |
| Marion Wealth Management | 2026-03-31 | 9,593 | $268K | SEC filing |
| DIMENSIONAL FUND ADVISORS LP | 2026-03-31 | 693,492 | $19.3M | SEC filing |
- Each value is checked against Foster L B Co's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the filed value is about 1,000 times too small for the share count at Foster L B Co's share price.
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- BRANDES INVESTMENT PARTNERS, LP: 1,360,415 shares reported 2025-12-31; 1,481,323 shares reported 2026-03-31.
- LPL Financial LLC: 18,806 shares reported 2025-12-31; 27,504 shares reported 2026-03-31.
- GABELLI FUNDS LLC: 135,954 shares reported 2025-12-31; 133,036 shares reported 2026-03-31.
- HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC: 140,817 shares reported 2025-12-31; 136,097 shares reported 2026-03-31.
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP: 9,202 shares reported 2025-12-31; 9,202 shares reported 2026-03-31.
- STATE STREET CORP: 145,647 shares reported 2025-12-31; 152,551 shares reported 2026-03-31.
- Janney Montgomery Scott LLC: 22,281 shares reported 2025-12-31; 22,763 shares reported 2026-03-31.
- NEW YORK STATE COMMON RETIREMENT FUND: 4,700 shares reported 2025-12-31; 4,700 shares reported 2026-03-31.
- GOLDMAN SACHS GROUP INC: 41,075 shares reported 2025-12-31; 39,598 shares reported 2026-03-31.
- Ameritas Investment Partners, Inc.: 888 shares reported 2025-12-31; 888 shares reported 2026-03-31.
- SBI Securities Co., Ltd.: 1 share reported 2025-12-31; 1 share reported 2026-03-31.
- Tower Research Capital LLC (TRC): 503 shares reported 2025-12-31; 1,097 shares reported 2026-03-31.
Showing the 12 most recent filer reports.
92 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Foster L B Co's recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-04-01 · 22NW Fund, LP: Larger than 24 of the 25 other insider sales of Common Stock on file. SEC filing
- 2026-03-23 · 22NW Fund, LP: Larger than all 25 other insider sales of Common Stock on file. SEC filing
- 2025-12-11 · 22NW Fund, LP: Larger than 23 of the 25 other insider sales of Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2024-08-08–2024-08-08: 7 event(s) across 4 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-04-01 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −38,431 | 28.05 | SEC filing |
| 2026-03-31 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −1,500 | 28.02 | SEC filing |
| 2026-03-30 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −1,887 | 28.01 | SEC filing |
| 2026-03-27 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −862 | 28.02 | SEC filing |
| 2026-03-26 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −8,968 | 28.02 | SEC filing |
| 2026-03-25 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −2,716 | 28.09 | SEC filing |
| 2026-03-24 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −25,889 | 28.19 | SEC filing |
| 2026-03-23 | 22NW Fund, LP · 10% owner | Common Stock | S — Open market or private sale | −78,414 | 28.51 | SEC filing |
Showing 8 of 17 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-01 | REILLY SEAN M · SVP and CFO | Common Stock | A — Grant, award, or other acquisition | +895 | SEC filing |
| 2026-06-01 | THALMAN WILLIAM M · EVP & COO | Common Stock | A — Grant, award, or other acquisition | +1,128 | SEC filing |
| 2026-06-01 | Curran Timothy Joseph · Controller and PAO | Common Stock | A — Grant, award, or other acquisition | +295 | SEC filing |
| 2026-05-22 | Rolli Sara Fay · SVP, Operational Admin | Common Stock | F — Payment of exercise price or tax by delivering securities | −352 | SEC filing |
| 2026-05-22 | OWEN DIANE B · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −96 | SEC filing |
| 2026-05-22 | LIPPARD GREGORY W · SVP -Rail | Common Stock | F — Payment of exercise price or tax by delivering securities | −905 | SEC filing |
| 2026-05-22 | Friedman Brian Hunter · SVP, Chief Growth Officer | Common Stock | F — Payment of exercise price or tax by delivering securities | −416 | SEC filing |
| 2026-05-22 | KASEL JOHN F · President & Chief Exec Officer | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,102 | SEC filing |
Showing 8 of 28 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2024-08-08 | KASEL JOHN F · President & Chief Exec Officer | Common Stock | I — Discretionary transaction | +2,500 | SEC filing |
Showing 1 of 1 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.