RKDA
Arcadia Biosciences, Inc.
+0.01 (+2.37%)0.47USD12.4K成交股數1.1M市值–本益比(近四季)0.2股價營收比-0.8%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 |
|---|---|---|---|---|---|---|---|---|---|
| 2025-02-03 | 02-05 | Schaefer Thomas J. | Chief Executive Officer | P 公開市場買進 | 700 | 2.49 | 2K | 2.8K | SEC |
| 2025-02-03 | 02-05 | Kawakami Mark | Chief Financial Officer | P 公開市場買進 | 700 | 2.49 | 2K | 2.7K | SEC |
| 2024-08-01 | 08-20 | Kawakami Mark | Chief Financial Officer | P 公開市場買進 | 700 | 2.06 | 1K | 2.0K | SEC |
| 2024-08-01 | 08-20 | Schaefer Thomas J. | Chief Executive Officer | P 公開市場買進 | 700 | 2.06 | 1K | 2.1K | SEC |
| 2024-02-01 | 02-05 | Schaefer Thomas J. | Chief Financial Officer | P 公開市場買進 | 700 | 2.06 | 1K | 1.4K | SEC |
| 2023-08-04 | 08-07 | Schaefer Thomas J. | Chief Financial Officer | P 公開市場買進 | 649 | 3.67 | 2K | 719 | SEC |
| 2023-05-30 | 05-30 | Jacot Stanley Jr | Chief Executive Officer | P 公開市場買進 | 5.0K | 4.31 | 22K | 5.0K | SEC |
| 2023-02-01 | 02-02 | Schaefer Thomas J. | Chief Financial Officer | P 公開市場買進 | 700 | 0.23 | 161.00 | 2.8K | SEC |
| 2022-08-01 | 08-03 | Haley Pamela | Chief Financial Officer | P 公開市場買進 | 700 | 0.70 | 490.00 | 5.1K | SEC |
| 2020-08-03 | 01-25 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 585 | 3.16 | 2K | 14.3K | SEC |
| 2020-08-03 | 01-25 | Haley Pamela | Chief Financial Officer | P 公開市場買進 | 700 | 3.16 | 2K | 2.6K | SEC |
| 2020-08-03 | 01-25 | Shultz Randall | Chief Technology Officer | P 公開市場買進 | 700 | 3.16 | 2K | 13.0K | SEC |
| 2020-02-03 | 02-04 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 700 | 1.72 | 1K | 13.7K | SEC |
| 2020-02-03 | 02-04 | Haley Pamela | Chief Financial Officer | P 公開市場買進 | 700 | 1.72 | 1K | 1.9K | SEC |
| 2020-02-03 | 02-04 | Reiter Sarah | Chief Commercial Officer | P 公開市場買進 | 700 | 1.72 | 1K | 3.8K | SEC |
| 2019-12-23 | 12-23 | Reiter Sarah | Chief Commercial Officer | P 公開市場買進 | 900 | 5.95 | 5K | 3.1K | SEC |
| 2019-11-19 | 11-20 | Reiter Sarah | Chief Commercial Officer | P 公開市場買進 | 1.0K | 4.52 | 5K | 2.2K | SEC |
| 2019-11-18 | 11-19 | Murray Lilian Shackelford | Director | P 公開市場買進 | 5.0K | 4.25 | 21K | 8.5K | SEC |
| 2019-11-14 | 11-18 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 1.0K | 4.08 | 4K | 13.0K | SEC |
| 2019-09-23 | 09-23 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 2.0K | 5.25 | 11K | 12.0K | SEC |
| 2019-09-17 | 09-17 | Comcowich Kevin | Director | P 公開市場買進 | 5.0K | 5.88 | 29K | 20.0K | SEC |
| 2019-09-10 | 09-10 | Comcowich Kevin | Director | P 公開市場買進 | 5.0K | 6.49 | 32K | 5.0K | SEC |
| 2019-09-10 | 09-10 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 1.0K | 6.52 | 7K | 10.0K | SEC |
| 2019-09-10 | 09-10 | Plavan Matthew T | Chief Executive Officer | P 公開市場買進 | 1.0K | 6.49 | 6K | 9.0K | SEC |
| 2019-09-10 | 09-10 | Reiter Sarah | Chief Commercial Officer | P 公開市場買進 | 1.2K | 6.48 | 8K | 1.2K | SEC |
| 2019-09-10 | 09-10 | Comcowich Kevin | Director | P 公開市場買進 | 10.0K | 6.49 | 65K | 15.0K | SEC |
| 2019-08-28 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 6.88 | 7K | 8.0K | SEC |
| 2019-08-28 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 6.88 | 7K | 8.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 9.30 | 9K | 4.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 8.95 | 9K | 5.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 9.32 | 9K | 3.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 8.95 | 9K | 5.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 9.32 | 9K | 3.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 9.30 | 9K | 4.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 2.0K | 8.93 | 18K | 7.0K | SEC |
| 2019-08-27 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 2.0K | 8.93 | 18K | 7.0K | SEC |
| 2019-08-26 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 9.22 | 9K | 2.0K | SEC |
| 2019-08-26 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 8.33 | 8K | 1.0K | SEC |
| 2019-08-26 | 08-28 | Plavan Matthew T | Chief Financial Officer | A 獲配股票 | 1.0K | 8.33 | 8K | 1.0K | SEC |
| 2019-08-26 | 08-28 | Plavan Matthew T | Chief Financial Officer | P 公開市場買進 | 1.0K | 9.22 | 9K | 2.0K | SEC |
| 2018-03-23 | 03-27 | Lu Zhongjin | VP Product Development | S 公開市場賣出 | 1.8K | 32.74 | 57K | 558 | SEC |
| 2018-03-23 | 03-27 | Rey Eric J. | Director | S 公開市場賣出 | 5.0K | 33.44 | 167K | 7.3K | SEC |
| 2018-03-23 | 03-27 | Lu Zhongjin | VP Product Development | M 選擇權執行 | 1.8K | 21.60 | 38K | 2.3K | SEC |
| 2018-03-23 | 03-27 | Rey Eric J. | Director | M 選擇權執行 | 5.0K | 21.60 | 108K | 12.3K | SEC |
| 2018-03-15 | 03-16 | Rey Eric J. | Director | S 公開市場賣出 | 250 | 60.00 | 15K | 7.3K | SEC |
| 2018-03-15 | 03-16 | Rey Eric J. | Director | M 選擇權執行 | 250 | 44.80 | 11K | 7.6K | SEC |
| 2018-03-14 | 03-16 | Rey Eric J. | Director | M 選擇權執行 | 21.0K | 21.60 | 454K | 28.3K | SEC |
| 2018-03-14 | 03-16 | Rey Eric J. | Director | S 公開市場賣出 | 21.0K | 45.21 | 950K | 7.3K | SEC |
| 2017-11-17 | 11-21 | Lu Zhongjin | VP Product Development | S 公開市場賣出 | 6.0K | 0.23 | 1K | 11.2K | SEC |
| 2017-06-08 | 06-12 | Rey Eric J. | Director | P 公開市場買進 | 5.0K | 0.75 | 4K | 147K | SEC |
| 2016-08-04 | 08-08 | Salameh Roger | Chief Operating Officer | S 公開市場賣出 | 100 | 2.51 | 251.00 | 11.4K | SEC |
| 2016-08-04 | 08-08 | Salameh Roger | Chief Operating Officer | M 選擇權執行 | 100 | 1.08 | 108.00 | 11.5K | SEC |
| 2016-06-13 | 06-15 | Brandwein Steven F. | Interim Chief Financ. Officer | S 公開市場賣出 | 8.3K | 2.49 | 21K | 750 | SEC |
| 2016-04-25 | 04-27 | Brandwein Steven F. | Interim Chief Financ. Officer | S 公開市場賣出 | 1.7K | 2.42 | 4K | 9.0K | SEC |
| 2016-04-05 | 04-06 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 1.7K | 2.98 | 5K | 47.1K | SEC |
| 2016-04-05 | 04-06 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 1.7K | 1.08 | 2K | 48.8K | SEC |
| 2016-04-04 | 04-06 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 1.2K | 1.08 | 1K | 48.3K | SEC |
| 2016-04-04 | 04-06 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 1.2K | 2.98 | 4K | 47.1K | SEC |
| 2016-03-04 | 03-07 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 3.0K | 3.22 | 10K | 47.1K | SEC |
| 2016-03-04 | 03-07 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 3.0K | 1.08 | 3K | 50.1K | SEC |
| 2016-03-03 | 03-07 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 300 | 2.97 | 891.00 | 47.1K | SEC |
| 2016-03-03 | 03-07 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 300 | 1.08 | 324.00 | 47.4K | SEC |
| 2016-02-03 | 02-03 | Rey Eric J. | President and CEO | S 公開市場賣出 | 200 | 2.78 | 556.00 | 140K | SEC |
| 2016-02-01 | 02-03 | Rey Eric J. | President and CEO | S 公開市場賣出 | 3.0K | 2.93 | 9K | 140K | SEC |
| 2016-02-01 | 02-03 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 1.7K | 3.00 | 5K | 47.1K | SEC |
| 2016-02-01 | 02-03 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 1.7K | 1.08 | 2K | 48.8K | SEC |
| 2015-12-16 | 12-16 | Brandwein Steven F. | Interim Chief Financ. Officer | G 贈與 | 27.5K | – | – | 40.0K | SEC |
| 2015-12-16 | 12-16 | Brandwein Steven F. | Interim Chief Financ. Officer | G 贈與 | 27.5K | – | – | 10.0K | SEC |
| 2015-12-15 | 12-16 | Brandwein Steven F. | Interim Chief Financ. Officer | S 公開市場賣出 | 10.0K | 3.57 | 36K | 37.5K | SEC |
| 2015-12-15 | 12-16 | Brandwein Steven F. | Interim Chief Financ. Officer | M 選擇權執行 | 37.5K | 0.44 | 17K | 47.5K | SEC |
| 2015-12-02 | 12-02 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 8.7K | 1.08 | 9K | 55.8K | SEC |
| 2015-12-02 | 12-02 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 8.7K | 4.10 | 36K | 47.1K | SEC |
| 2015-12-01 | 12-02 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 6.3K | 1.08 | 7K | 53.4K | SEC |
| 2015-12-01 | 12-02 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 6.3K | 3.89 | 25K | 47.1K | SEC |
| 2015-11-11 | 11-12 | Knauf Vic C. | Chief Scientific Officer | S 公開市場賣出 | 4.5K | 2.91 | 13K | 47.1K | SEC |
| 2015-11-11 | 11-12 | Knauf Vic C. | Chief Scientific Officer | M 選擇權執行 | 20.0K | 0.44 | 9K | 51.7K | SEC |
| 2015-11-11 | 11-12 | Rey Eric J. | President and CEO | M 選擇權執行 | 3.0K | 1.08 | 3K | 143K | SEC |
| 2015-10-09 | 10-13 | Rey Eric J. | President and CEO | S 公開市場賣出 | 5.1K | 3.01 | 15K | 140K | SEC |
| 2015-10-09 | 10-13 | Rey Eric J. | President and CEO | M 選擇權執行 | 15.8K | 0.44 | 7K | 145K | SEC |
| 2015-10-08 | 10-08 | Rey Eric J. | President and CEO | M 選擇權執行 | 4.6K | 0.44 | 2K | 130K | 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 |
|---|---|---|---|---|
| 城堡 CITADEL ADVISORS LLC | 23.7K | 16K | 新進 | 新進 |
| StoneX Group Inc. | 13.7K | 11K | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 16.1K | 11K | −15.6K (-49%) | 減碼 |
| XTX Topco Ltd | 15.5K | 11K | 新進 | 新進 |
| STATE STREET CORP | 12.1K | 8K | 不變 | 持平 |
| JANE STREET GROUP, LLC | 10.2K | 7K | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.6K | 7K | 不變 | 持平 |
| SBI Securities Co., Ltd. | 120 | 81.00 | 不變 | 持平 |
| HRT FINANCIAL LP | 88.4K | 60.00 | 新進 | 新進 |
| TD Waterhouse Canada Inc. | 70 | 50.00 | 新進 | 新進 |
| UBS Group AG | 35 | 24.00 | −772 (-96%) | 減碼 |
| Virtu Financial LLC | 21.8K | 15.00 | 新進 | 新進 |
| GROUP ONE TRADING LLC | 18 | 12.00 | 不變 | 持平 |
| Caitong International Asset Management Co., Ltd | 1 | 1.00 | 新進 | 新進 |
| SOUTHERN MICHIGAN BANK & TRUST | 2 | 1.00 | 不變 | 持平 |
| MORGAN STANLEY | 2 | 1.00 | 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 | 16 +1 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 8 / 7 / 0 / 2 |
| 機構合計持股 · 佔流通股 | 211K · 8.8% |
| 合計季末市值 | 71K |
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 | 18.8K |
|---|---|
| 與上期比 | -78.8% |
| 佔流通股數 | 0.78% |
| 日均成交量 | 184K |
| 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 | 18.8K | -78.8% | 0.78% | 184K | 1.0 |
| 2026-08-14 | 88.7K | +2437.2% | 3.68% | 308K | 1.0 |
| 2026-07-31 | 3.5K | -63.8% | 0.15% | 15.6K | 1.0 |
| 2026-07-15 | 9.7K | -58.6% | 0.40% | 134K | 1.0 |
| 2026-06-30 | 23.3K | -91.5% | 0.97% | 95.3K | 1.0 |
| 2026-06-15 | 273K | -33.6% | 11.34% | 11.3M | 1.0 |
| 2026-05-29 | 411K | +4427.0% | 17.07% | 6.8M | 1.0 |
| 2026-05-15 | 9.1K | +43.3% | 0.38% | 41.0K | 1.0 |
| 2026-04-30 | 6.3K | +297.4% | 0.26% | 39.2K | 1.0 |
| 2026-04-15 | 1.6K | +72.1% | 0.07% | 11.4K | 1.0 |
| 2026-03-31 | 927 | -96.1% | 0.04% | 31.9K | 1.0 |
| 2026-03-13 | 23.7K | +45.3% | 0.98% | 73.2K | 1.0 |
| 2026-02-27 | 16.3K | +2.9% | 0.68% | 15.6K | 1.1 |
| 2026-02-13 | 15.9K | +45.4% | 0.66% | 14.1K | 1.1 |
| 2026-01-30 | 10.9K | +18.7% | 0.45% | 28.8K | 1.0 |
| 2026-01-15 | 9.2K | -57.3% | 0.38% | 29.7K | 1.0 |
| 2025-12-31 | 21.5K | -48.7% | 0.89% | 31.5K | 1.0 |
| 2025-12-15 | 41.9K | -19.0% | 1.74% | 11.2K | 3.7 |
| 2025-11-28 | 51.8K | -45.5% | 2.15% | 13.6K | 3.8 |
| 2025-11-14 | 94.9K | -27.1% | 3.94% | 27.7K | 3.4 |
| 2025-10-31 | 130K | -49.2% | 5.41% | 117K | 1.1 |
| 2025-10-15 | 256K | +1870.3% | 10.65% | 2.9M | 1.0 |
| 2025-09-30 | 13.0K | -14.5% | 0.54% | 5.3K | 2.5 |
| 2025-09-15 | 15.2K | +41.8% | 0.63% | 15.8K | 1.0 |
| 2025-08-29 | 10.7K | -56.3% | 0.45% | 6.8K | 1.6 |
| 2025-08-15 | 24.5K | +19.0% | 1.02% | 2.7K | 9.3 |