FSTR
FOSTER L B CO
+0.61 (+1.63%)37.96USD11.9K成交股數399M市值36.1本益比(近四季)0.7股價營收比-3.5%營收年增(近四季)2026-11-02下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 0 · 0 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 0 · 11.3M |
| 近 180 天 淨額 | −11.3M |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-24 | 08-26 | Friedman Brian Hunter | SVP, Chief Growth Officer | G 贈與 | 1.0K | – | – | 30.1K | SEC |
| 2026-08-01 | 08-04 | Bowlin Jason Kyle | Senior Vice President - Rail | A 獲配股票 | 398 | – | – | 7.0K | SEC |
| 2026-06-30 | 07-02 | Meyer David J | Director | A 獲配股票 | 422 | 45.17 | 19K | 15.4K | SEC |
| 2026-06-01 | 06-03 | THALMAN WILLIAM M | EVP & COO | A 獲配股票 | 1.1K | – | – | 79.9K | SEC |
| 2026-06-01 | 06-03 | Curran Timothy Joseph | Controller and PAO | A 獲配股票 | 295 | – | – | 9.1K | SEC |
| 2026-06-01 | 06-03 | REILLY SEAN M | SVP and CFO | A 獲配股票 | 895 | – | – | 30.0K | SEC |
| 2026-05-22 | 05-27 | Friedman Brian Hunter | SVP, Chief Growth Officer | F 繳稅扣股 | 416 | 38.11 | 16K | 31.1K | SEC |
| 2026-05-22 | 05-27 | Guinee Patrick J. | EVP General Counsel & Sec. | F 繳稅扣股 | 1.1K | 38.11 | 41K | 87.3K | SEC |
| 2026-05-22 | 05-27 | REILLY SEAN M | Controller | F 繳稅扣股 | 425 | 38.11 | 16K | 29.1K | SEC |
| 2026-05-22 | 05-27 | Kunz John E | Director | F 繳稅扣股 | 36 | 38.11 | 1K | 21.8K | SEC |
| 2026-05-22 | 05-27 | LIPPARD GREGORY W | SVP -Rail | F 繳稅扣股 | 905 | 38.11 | 34K | 75.0K | SEC |
| 2026-05-22 | 05-27 | Ness Robert | SVP, Precast Concrete Products | F 繳稅扣股 | 683 | 38.11 | 26K | 32.4K | SEC |
| 2026-05-22 | 05-27 | KASEL JOHN F | President & Chief Exec Officer | F 繳稅扣股 | 4.1K | 38.11 | 156K | 240K | SEC |
| 2026-05-22 | 05-27 | OWEN DIANE B | Director | F 繳稅扣股 | 96 | 38.11 | 4K | 78.4K | SEC |
| 2026-05-22 | 05-27 | O'Neill Jamie F | SVP, Human Resources | F 繳稅扣股 | 269 | 38.11 | 10K | 16.2K | SEC |
| 2026-05-22 | 05-27 | THALMAN WILLIAM M | EVP & CFO | F 繳稅扣股 | 1.2K | 38.11 | 45K | 78.8K | SEC |
| 2026-05-22 | 05-27 | Rolli Sara Fay | SVP, Operational Admin | F 繳稅扣股 | 352 | 38.11 | 13K | 9.2K | SEC |
| 2026-05-21 | 05-22 | Kunz John E | Director | A 獲配股票 | 2.4K | – | – | 21.8K | SEC |
| 2026-05-21 | 05-22 | Betler Raymond T | Director | A 獲配股票 | 2.4K | – | – | 38.1K | SEC |
| 2026-05-21 | 05-22 | Meyer David J | Director | A 獲配股票 | 2.4K | – | – | 15.0K | SEC |
| 2026-05-21 | 05-22 | Thompson Bruce Ernest | Director | A 獲配股票 | 2.4K | – | – | 21.9K | SEC |
| 2026-05-21 | 05-22 | OWEN DIANE B | Director | A 獲配股票 | 2.4K | – | – | 78.5K | SEC |
| 2026-04-01 | 04-02 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 38.4K | 28.05 | 1.1M | 1.0M | SEC |
| 2026-04-01 | 04-02 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 38.4K | 28.05 | 1.1M | 1.0M | SEC |
| 2026-04-01 | 04-02 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 38.4K | 28.05 | 1.1M | 1.0M | SEC |
| 2026-04-01 | 04-02 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 38.4K | 28.05 | 1.1M | 1.0M | SEC |
| 2026-04-01 | 04-02 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 38.4K | 28.05 | 1.1M | 1.0M | SEC |
| 2026-03-31 | 04-02 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 1.5K | 28.02 | 42K | 1.1M | SEC |
| 2026-03-31 | 04-02 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 1.5K | 28.02 | 42K | 1.1M | SEC |
| 2026-03-31 | 04-02 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 1.5K | 28.02 | 42K | 1.1M | SEC |
| 2026-03-31 | 04-02 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 1.5K | 28.02 | 42K | 1.1M | SEC |
| 2026-03-31 | 04-02 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 1.5K | 28.02 | 42K | 1.1M | SEC |
| 2026-03-31 | 04-01 | Meyer David J | Director | A 獲配股票 | 683 | 27.90 | 19K | 12.6K | SEC |
| 2026-03-30 | 03-30 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 1.9K | 28.01 | 53K | 1.1M | SEC |
| 2026-03-30 | 03-30 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 1.9K | 28.01 | 53K | 1.1M | SEC |
| 2026-03-30 | 03-30 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 1.9K | 28.01 | 53K | 1.1M | SEC |
| 2026-03-30 | 03-30 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 1.9K | 28.01 | 53K | 1.1M | SEC |
| 2026-03-30 | 03-30 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 1.9K | 28.01 | 53K | 1.1M | SEC |
| 2026-03-27 | 03-30 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 862 | 28.02 | 24K | 1.1M | SEC |
| 2026-03-27 | 03-30 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 862 | 28.02 | 24K | 1.1M | SEC |
| 2026-03-27 | 03-30 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 862 | 28.02 | 24K | 1.1M | SEC |
| 2026-03-27 | 03-30 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 862 | 28.02 | 24K | 1.1M | SEC |
| 2026-03-27 | 03-30 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 862 | 28.02 | 24K | 1.1M | SEC |
| 2026-03-26 | 03-30 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 9.0K | 28.02 | 251K | 1.1M | SEC |
| 2026-03-26 | 03-30 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 9.0K | 28.02 | 251K | 1.1M | SEC |
| 2026-03-26 | 03-30 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 9.0K | 28.02 | 251K | 1.1M | SEC |
| 2026-03-26 | 03-30 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 9.0K | 28.02 | 251K | 1.1M | SEC |
| 2026-03-26 | 03-30 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 9.0K | 28.02 | 251K | 1.1M | SEC |
| 2026-03-25 | 03-25 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 2.7K | 28.09 | 76K | 1.1M | SEC |
| 2026-03-25 | 03-25 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 2.7K | 28.09 | 76K | 1.1M | SEC |
| 2026-03-25 | 03-25 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 2.7K | 28.09 | 76K | 1.1M | SEC |
| 2026-03-25 | 03-25 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 2.7K | 28.09 | 76K | 1.1M | SEC |
| 2026-03-25 | 03-25 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 2.7K | 28.09 | 76K | 1.1M | SEC |
| 2026-03-24 | 03-25 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 25.9K | 28.19 | 730K | 1.1M | SEC |
| 2026-03-24 | 03-25 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 25.9K | 28.19 | 730K | 1.1M | SEC |
| 2026-03-24 | 03-25 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 25.9K | 28.19 | 730K | 1.1M | SEC |
| 2026-03-24 | 03-25 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 25.9K | 28.19 | 730K | 1.1M | SEC |
| 2026-03-24 | 03-25 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 25.9K | 28.19 | 730K | 1.1M | SEC |
| 2026-03-23 | 03-25 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 78.4K | 28.51 | 2.2M | 1.1M | SEC |
| 2026-03-23 | 03-25 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 78.4K | 28.51 | 2.2M | 1.1M | SEC |
| 2026-03-23 | 03-25 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 78.4K | 28.51 | 2.2M | 1.1M | SEC |
| 2026-03-23 | 03-25 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 78.4K | 28.51 | 2.2M | 1.1M | SEC |
| 2026-03-23 | 03-25 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 78.4K | 28.51 | 2.2M | 1.1M | SEC |
| 2026-03-04 | 03-06 | English Aron R. | TenPercentOwner | S 公開市場賣出 | 5.1K | 31.99 | 164K | 1.2M | SEC |
| 2026-03-04 | 03-06 | 22NW Fund, LP | TenPercentOwner | S 公開市場賣出 | 5.1K | 31.99 | 164K | 1.2M | SEC |
| 2026-03-04 | 03-06 | 22NW Fund GP, LLC | TenPercentOwner | S 公開市場賣出 | 5.1K | 31.99 | 164K | 1.2M | SEC |
| 2026-03-04 | 03-06 | 22NW GP, Inc. | TenPercentOwner | S 公開市場賣出 | 5.1K | 31.99 | 164K | 1.2M | SEC |
| 2026-03-04 | 03-06 | 22NW, LP | TenPercentOwner | S 公開市場賣出 | 5.1K | 31.99 | 164K | 1.2M | SEC |
| 2026-03-01 | 03-03 | Rolli Sara Fay | SVP, Operational Admin | F 繳稅扣股 | 72 | 30.73 | 2K | 9.6K | SEC |
| 2026-02-19 | 03-09 | LIPPARD GREGORY W | SVP -Rail | A 獲配股票 | 6.0K | – | – | 76.7K | SEC |
| 2026-02-19 | 03-09 | THALMAN WILLIAM M | EVP & CFO | F 繳稅扣股 | 11.7K | 31.13 | 366K | 79.9K | SEC |
| 2026-02-19 | 03-09 | Ness Robert | SVP, Precast Concrete Products | F 繳稅扣股 | 5.3K | 31.13 | 164K | 33.1K | SEC |
| 2026-02-19 | 03-09 | LIPPARD GREGORY W | SVP -Rail | A 獲配股票 | 1.0K | – | – | 80.4K | SEC |
| 2026-02-19 | 03-09 | Ness Robert | SVP, Precast Concrete Products | A 獲配股票 | 764 | – | – | 34.9K | SEC |
| 2026-02-19 | 03-09 | Ness Robert | SVP, Precast Concrete Products | A 獲配股票 | 1.9K | – | – | 34.1K | SEC |
| 2026-02-19 | 03-09 | Ness Robert | SVP, Precast Concrete Products | A 獲配股票 | 3.6K | – | – | 32.2K | SEC |
| 2026-02-19 | 03-09 | LIPPARD GREGORY W | SVP -Rail | A 獲配股票 | 4.2K | – | – | 84.7K | SEC |
| 2026-02-19 | 03-09 | Ness Robert | SVP, Precast Concrete Products | A 獲配股票 | 3.4K | – | – | 38.3K | SEC |
| 2026-02-19 | 03-09 | THALMAN WILLIAM M | EVP & CFO | A 獲配股票 | 6.3K | – | – | 91.7K | SEC |
| 2026-02-19 | 03-09 | THALMAN WILLIAM M | EVP & CFO | A 獲配股票 | 1.4K | – | – | 85.4K | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP | 1.4M | 64.6M | −50.5K (-3%) | 減碼 |
| GAMCO INVESTORS, INC. ET AL | 885K | 40.0M | −16.0K (-2%) | 減碼 |
| BlackRock, Inc. | 743K | 33.6M | +40.4K (+6%) | 加碼 |
| DIMENSIONAL FUND ADVISORS LP | 677K | 30.6M | −16.4K (-2%) | 減碼 |
| VANGUARD CAPITAL MANAGEMENT LLC | 423K | 19.1M | +38.2K (+10%) | 加碼 |
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 356K | 16.1M | +40.0K (+13%) | 加碼 |
| GEODE CAPITAL MANAGEMENT, LLC | 246K | 11.1M | +17.8K (+8%) | 加碼 |
| Hillsdale Investment Management Inc. | 218K | 9.9M | +205K (+1618%) | 加碼 |
| AMERICAN CENTURY COMPANIES INC | 196K | 8.9M | +113K (+135%) | 加碼 |
| STATE STREET CORP | 192K | 8.7M | +39.2K (+26%) | 加碼 |
| Two Sigma TWO SIGMA INVESTMENTS, LP | 144K | 6.5M | 新進 | 新進 |
| GABELLI FUNDS LLC | 125K | 5.6M | −8.4K (-6%) | 減碼 |
| Bragg Financial Advisors, Inc | 114K | 5.1M | −1 (-0%) | 減碼 |
| UBS Group AG | 108K | 4.9M | +10.0K (+10%) | 加碼 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 91.2K | 4.1M | −44.9K (-33%) | 減碼 |
| Teton Advisors, LLC | 84.0K | 3.8M | −14.6K (-15%) | 減碼 |
| NORTHERN TRUST CORP | 82.1K | 3.7M | +3.9K (+5%) | 加碼 |
| Wealthspire Advisors, LLC | 80.9K | 3.7M | 不變 | 持平 |
| Assenagon Asset Management S.A. | 80.4K | 3.6M | +52.3K (+187%) | 加碼 |
| Qube Research & Technologies Ltd | 73.2K | 3.3M | +22.7K (+45%) | 加碼 |
| Minerva Advisors LLC | 67.9K | 3.1M | −16.0K (-19%) | 減碼 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 66.4K | 3.0M | +9.1K (+16%) | 加碼 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 65.4K | 3.0M | +1.1K (+2%) | 加碼 |
| VANGUARD FIDUCIARY TRUST CO | 63.9K | 2.9M | +3.4K (+6%) | 加碼 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 58.8K | 2.7M | +49.6K (+539%) | 加碼 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 134 +25 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 37 / 12 / 45 / 29 |
| 機構合計持股 · 佔流通股 | 8.3M · 79.0% |
| 合計季末市值 | 362M |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 280K |
|---|---|
| 與上期比 | +13.0% |
| 佔流通股數 | 2.67% |
| 日均成交量 | 53.7K |
| 回補天數 | 5.2 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 280K | +13.0% | 2.67% | 53.7K | 5.2 |
| 2026-08-14 | 248K | -5.7% | 2.36% | 95.2K | 2.6 |
| 2026-07-31 | 263K | -1.4% | 2.50% | 70.4K | 3.7 |
| 2026-07-15 | 267K | +8.3% | 2.54% | 72.6K | 3.7 |
| 2026-06-30 | 246K | +39.2% | 2.34% | 125K | 2.0 |
| 2026-06-15 | 177K | +93.5% | 1.68% | 76.9K | 2.3 |
| 2026-05-29 | 91.5K | +14.0% | 0.87% | 125K | 1.0 |
| 2026-05-15 | 80.3K | -29.6% | 0.76% | 142K | 1.0 |
| 2026-04-30 | 114K | +6.8% | 1.08% | 151K | 1.0 |
| 2026-04-15 | 107K | -28.7% | 1.02% | 106K | 1.0 |
| 2026-03-31 | 150K | -12.8% | 1.42% | 44.6K | 3.4 |
| 2026-03-13 | 172K | +17.9% | 1.63% | 27.8K | 6.2 |
| 2026-02-27 | 146K | -14.7% | 1.39% | 16.0K | 9.1 |
| 2026-02-13 | 171K | +6.7% | 1.63% | 21.2K | 8.1 |
| 2026-01-30 | 160K | -8.3% | 1.52% | 18.1K | 8.8 |
| 2026-01-15 | 175K | +2.0% | 1.66% | 20.0K | 8.8 |
| 2025-12-31 | 171K | +1.5% | 1.63% | 18.8K | 9.1 |
| 2025-12-15 | 169K | +12.0% | 1.60% | 33.0K | 5.1 |
| 2025-11-28 | 151K | +2.3% | 1.43% | 24.2K | 6.2 |
| 2025-11-14 | 147K | -2.9% | 1.40% | 27.1K | 5.4 |
| 2025-10-31 | 152K | -5.7% | 1.44% | 23.2K | 6.6 |
| 2025-10-15 | 161K | +2.8% | 1.53% | 21.1K | 7.6 |
| 2025-09-30 | 157K | -8.5% | 1.49% | 31.5K | 5.0 |
| 2025-09-15 | 171K | +9.5% | 1.63% | 28.9K | 5.9 |
| 2025-08-29 | 156K | +2.6% | 1.49% | 32.2K | 4.9 |
| 2025-08-15 | 152K | -15.6% | 1.45% | 36.0K | 4.2 |