BLGO
BIOLARGO, INC.
+0.00 (+1.33%)0.09USD10.0K成交股數30.0M市值–本益比(近四季)7.3股價營收比-55.1%營收年增(近四季)–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 · 0 |
| 近 180 天 淨額 | 0 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-07 | 07-07 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 533K | 0.11 | 60K | 26.4M | SEC |
| 2026-07-01 | 07-02 | CALVERT DENNIS P | President | A 獲配股票 | 220K | 0.11 | 25K | 11.1M | SEC |
| 2026-06-30 | 07-02 | CALVERT DENNIS P | President | A 獲配股票 | 700K | 0.11 | 79K | 10.8M | SEC |
| 2026-03-31 | 04-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 69.4K | 0.16 | 11K | 25.9M | SEC |
| 2025-12-31 | 01-05 | CALVERT DENNIS P | President | A 獲配股票 | 130K | 0.18 | 23K | 10.5M | SEC |
| 2025-12-31 | 01-05 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 54.8K | 0.18 | 10K | 25.8M | SEC |
| 2025-11-14 | 11-17 | CALVERT DENNIS P | President | A 獲配股票 | 310K | 0.16 | 50K | 10.4M | SEC |
| 2025-11-14 | 11-17 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 314K | 0.16 | 50K | 25.8M | SEC |
| 2025-07-14 | 07-16 | CALVERT DENNIS P | President | A 獲配股票 | 169K | 0.20 | 34K | 10.0M | SEC |
| 2025-07-14 | 07-16 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 181K | 0.20 | 36K | 25.1M | SEC |
| 2024-12-31 | 01-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 57.7K | 0.19 | 11K | 25.1M | SEC |
| 2023-12-31 | 01-03 | CALVERT DENNIS P | President | A 獲配股票 | 50.6K | 0.17 | 9K | 9.9M | SEC |
| 2023-12-31 | 01-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 72.6K | 0.17 | 12K | 25.1M | SEC |
| 2023-09-30 | 10-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 19.0K | 0.17 | 3K | 25.0M | SEC |
| 2023-07-24 | 07-26 | CALVERT DENNIS P | President | A 獲配股票 | 50.6K | 0.18 | 9K | 9.8M | SEC |
| 2023-06-30 | 07-05 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 68.5K | 0.18 | 12K | 25.0M | SEC |
| 2023-03-31 | 04-04 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 30.7K | 0.20 | 6K | 24.9M | SEC |
| 2022-10-03 | 10-05 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 168K | 0.27 | 45K | 24.9M | SEC |
| 2022-10-03 | 10-05 | CALVERT DENNIS P | President | A 獲配股票 | 101K | 0.27 | 27K | 9.8M | SEC |
| 2022-07-07 | 07-08 | CALVERT DENNIS P | President | A 獲配股票 | 156K | 0.18 | 28K | 9.7M | SEC |
| 2022-06-30 | 07-05 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 108K | 0.18 | 19K | 24.7M | SEC |
| 2021-12-31 | 01-04 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 15.0K | 0.21 | 3K | 24.6M | SEC |
| 2021-12-30 | 12-30 | CALVERT DENNIS P | President | G 贈與 | 156K | – | – | 9.5M | SEC |
| 2021-10-05 | 10-06 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 61.8K | 0.19 | 12K | 24.6M | SEC |
| 2021-04-20 | 04-21 | STROMMEN JACK B. | Director | C 轉換 | 563K | 0.24 | 135K | 4.9M | SEC |
| 2021-04-01 | 04-05 | CALVERT DENNIS P | President | A 獲配股票 | 61.8K | 0.23 | 14K | 9.7M | SEC |
| 2021-04-01 | 04-05 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 75.6K | 0.23 | 17K | 24.5M | SEC |
| 2020-12-31 | 03-31 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 336K | 0.12 | 40K | 24.4M | SEC |
| 2020-12-31 | 01-04 | CALVERT DENNIS P | President | G 贈與 | 225K | – | – | 9.3M | SEC |
| 2020-12-31 | 01-04 | CALVERT DENNIS P | President | A 獲配股票 | 316K | 0.12 | 38K | 9.6M | SEC |
| 2020-10-06 | 10-08 | CALVERT DENNIS P | President | A 獲配股票 | 164K | 0.15 | 25K | 9.5M | SEC |
| 2020-09-30 | 10-02 | CALVERT DENNIS P | President | A 獲配股票 | 164K | 0.15 | 25K | 9.5M | SEC |
| 2020-09-30 | 10-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 185K | 0.15 | 28K | 24.1M | SEC |
| 2020-06-30 | 07-02 | CALVERT DENNIS P | President | A 獲配股票 | 201K | 0.16 | 32K | 9.3M | SEC |
| 2020-06-30 | 07-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 166K | 0.16 | 27K | 23.9M | SEC |
| 2020-03-31 | 04-02 | CALVERT DENNIS P | President | A 獲配股票 | 282K | 0.17 | 48K | 9.1M | SEC |
| 2020-03-31 | 04-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 367K | 0.17 | 62K | 23.8M | SEC |
| 2020-03-09 | 03-10 | CALVERT DENNIS P | President | G 贈與 | 25.0K | – | – | 8.9M | SEC |
| 2019-12-31 | 01-03 | CALVERT DENNIS P | President | G 贈與 | 225K | – | – | 8.9M | SEC |
| 2019-09-30 | 10-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 35.1K | 0.32 | 11K | 23.4M | SEC |
| 2019-06-30 | 07-02 | CALVERT DENNIS P | President | A 獲配股票 | 230K | 0.23 | 53K | 9.1M | SEC |
| 2019-06-30 | 07-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 236K | 0.23 | 54K | 23.4M | SEC |
| 2019-06-18 | 06-24 | PROVENZANO JOSEPH L | Secretary | A 獲配股票 | 500K | – | – | 1.8M | SEC |
| 2019-04-29 | 05-01 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 312K | 0.16 | 50K | 23.1M | SEC |
| 2019-04-29 | 05-01 | CALVERT DENNIS P | President | A 獲配股票 | 268K | 0.16 | 43K | 8.9M | SEC |
| 2018-12-31 | 01-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 203K | 0.24 | 49K | 22.8M | SEC |
| 2018-12-31 | 01-03 | CALVERT DENNIS P | President | G 贈與 | 75.0K | 0.24 | 18K | 8.4M | SEC |
| 2018-12-31 | 01-03 | CALVERT DENNIS P | President | A 獲配股票 | 179K | 0.24 | 43K | 8.6M | SEC |
| 2018-09-30 | 10-02 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 130K | 0.27 | 35K | 22.6M | SEC |
| 2018-09-30 | 10-02 | CALVERT DENNIS P | President | A 獲配股票 | 119K | 0.27 | 32K | 8.5M | SEC |
| 2018-07-05 | 07-09 | CALVERT DENNIS P | President | A 獲配股票 | 86.4K | 0.43 | 37K | 8.4M | SEC |
| 2018-07-05 | 07-09 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 90.6K | 0.43 | 39K | 22.5M | SEC |
| 2018-06-29 | 07-09 | STROMMEN JACK B. | Director | C 轉換 | 7.5K | 0.37 | 3K | 4.3M | SEC |
| 2018-05-18 | 05-22 | STROMMEN JACK B. | Director | C 轉換 | 2.2M | 0.30 | 661K | 4.3M | SEC |
| 2018-05-02 | 05-04 | STROMMEN JACK B. | Director | C 轉換 | 1.5M | 0.25 | 363K | 2.1M | SEC |
| 2018-03-31 | 04-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 173K | 0.26 | 45K | 22.4M | SEC |
| 2018-03-31 | 04-03 | CALVERT DENNIS P | President | A 獲配股票 | 150K | 0.26 | 39K | 8.3M | SEC |
| 2018-03-23 | 03-27 | STROMMEN JACK B. | Director | P 公開市場買進 | 111K | 0.27 | 30K | 656K | SEC |
| 2018-01-03 | 01-03 | STROMMEN JACK B. | Director | A 獲配股票 | 72.2K | 0.41 | 30K | 545K | SEC |
| 2017-12-31 | 01-03 | CALVERT DENNIS P | President | A 獲配股票 | 77.4K | 0.39 | 30K | 8.1M | SEC |
| 2017-12-31 | 01-03 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 71.3K | 0.39 | 28K | 22.2M | SEC |
| 2017-10-12 | 10-16 | CODE KENNETH REAY | Chief Science Officer | G 贈與 | 121K | – | – | 22.1M | SEC |
| 2017-10-12 | 10-16 | CALVERT DENNIS P | President | G 贈與 | 435K | – | – | 8.1M | SEC |
| 2017-09-20 | 10-05 | STROMMEN JACK B. | Director | P 公開市場買進 | 61.8K | 0.49 | 30K | 473K | SEC |
| 2017-05-02 | 06-02 | CALVERT DENNIS P | President | A 獲配股票 | 1.5M | 0.45 | 675K | 8.5M | SEC |
| 2017-05-02 | 05-04 | CALVERT DENNIS P | President | A 獲配股票 | 1.5M | 0.45 | 675K | 8.5M | SEC |
| 2017-04-30 | 05-02 | CALVERT DENNIS P | President | M 選擇權執行 | 2.5M | 0.18 | 450K | 7.0M | SEC |
| 2016-12-01 | 02-14 | CODE KENNETH REAY | Chief Science Officer | G 贈與 | 2.5M | – | – | 22.3M | SEC |
| 2016-12-01 | 12-02 | CODE KENNETH REAY | Chief Science Officer | G 贈與 | 2.5M | – | – | 21.8M | SEC |
| 2016-12-01 | 12-02 | CALVERT DENNIS P | President | G 贈與 | 350K | – | – | 4.0M | SEC |
| 2016-09-07 | 09-08 | CODE KENNETH REAY | Chief Science Officer | G 贈與 | 500K | – | – | 24.3M | SEC |
| 2015-12-31 | 01-05 | PROVENZANO JOSEPH L | Secretary | A 獲配股票 | 20.7K | – | – | 1.3M | SEC |
| 2015-10-29 | 11-02 | CALVERT DENNIS P | President | G 贈與 | 112K | – | – | 4.4M | SEC |
| 2015-10-12 | 10-15 | CALVERT DENNIS P | President | G 贈與 | 16.8K | 0.60 | 10K | 4.5M | SEC |
| 2015-09-24 | 09-25 | PROVENZANO JOSEPH L | Secretary | A 獲配股票 | 29.4K | – | – | 1.3M | SEC |
| 2015-09-22 | 09-24 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 69.6K | – | – | 24.8M | SEC |
| 2015-09-22 | 09-24 | CALVERT DENNIS P | President | A 獲配股票 | 58.2K | – | – | 4.5M | SEC |
| 2015-06-29 | 07-01 | CODE KENNETH REAY | Chief Science Officer | A 獲配股票 | 109K | – | – | 24.7M | SEC |
| 2015-06-29 | 07-01 | PROVENZANO JOSEPH L | Secretary | A 獲配股票 | 65.6K | – | – | 1.2M | SEC |
| 2015-06-29 | 07-01 | CALVERT DENNIS P | President | A 獲配股票 | 105K | – | – | 4.4M | 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 |
|---|---|---|---|---|
| FIRST AMERICAN TRUST, FSB | 118K | 13K | 不變 | 持平 |
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 | 1 +0 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 0 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 118K · 0.0% |
| 合計季末市值 | 13K |
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 | 8.9K |
|---|---|
| 與上期比 | -61.9% |
| 佔流通股數 | 0.00% |
| 日均成交量 | 823K |
| 回補天數 | 1.0 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 | 8.9K | -61.9% | 0.00% | 823K | 1.0 |
| 2026-08-14 | 23.5K | -4.9% | 0.01% | 522K | 1.0 |
| 2026-07-31 | 24.7K | -75.7% | 0.01% | 550K | 1.0 |
| 2026-07-15 | 102K | +1614.2% | 0.03% | 479K | 1.0 |
| 2026-06-30 | 5.9K | +69.6% | 0.00% | 865K | 1.0 |
| 2026-06-15 | 3.5K | -92.0% | 0.00% | 1.7M | 1.0 |
| 2026-05-29 | 44.0K | +3437.8% | 0.01% | 1.2M | 1.0 |
| 2026-05-15 | 1.2K | -32.8% | 0.00% | 808K | 1.0 |
| 2026-04-30 | 1.9K | -82.4% | 0.00% | 449K | 1.0 |
| 2026-04-15 | 10.5K | +361.4% | 0.00% | 694K | 1.0 |
| 2026-03-31 | 2.3K | -38.8% | 0.00% | 231K | 1.0 |
| 2026-03-13 | 3.7K | -78.7% | 0.00% | 253K | 1.0 |
| 2026-02-27 | 17.5K | +1494.6% | 0.01% | 517K | 1.0 |
| 2026-02-13 | 1.1K | -97.5% | 0.00% | 639K | 1.0 |
| 2026-01-30 | 44.1K | +82.7% | 0.01% | 747K | 1.0 |
| 2026-01-15 | 24.1K | +1893.2% | 0.01% | 553K | 1.0 |
| 2025-12-31 | 1.2K | -88.3% | 0.00% | 611K | 1.0 |
| 2025-12-15 | 10.3K | -95.0% | 0.00% | 675K | 1.0 |
| 2025-11-28 | 205K | +1568.4% | 0.06% | 1.4M | 1.0 |
| 2025-11-14 | 12.3K | +100.0% | 0.00% | 739K | 1.0 |
| 2025-10-15 | 135K | +927.5% | 0.04% | 1.2M | 1.0 |
| 2025-09-30 | 13.2K | -79.3% | 0.00% | 1.4M | 1.0 |
| 2025-09-15 | 63.5K | -9.2% | 0.02% | 676K | 1.0 |
| 2025-08-29 | 69.9K | -65.1% | 0.02% | 761K | 1.0 |
| 2025-08-15 | 200K | +57.9% | 0.06% | 592K | 1.0 |
| 2025-07-31 | 127K | +441.7% | 0.04% | 996K | 1.0 |