AMST
Amesite Inc.
+0.04 (+4.41%)1.07USD74.2K成交股數6.2M市值–本益比(近四季)18.3股價營收比+171.5%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 | 602K · 0 |
| 近 180 天 淨額 | 602K |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-04-28 | 05-18 | Parmer George | Director | P 公開市場買進 | 244K | 1.44 | 351K | 567K | SEC |
| 2026-04-28 | 05-18 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 174K | 1.44 | 251K | 1.0M | SEC |
| 2026-03-07 | 03-10 | Brewer Barbie | Director | M 選擇權執行 | 41.3K | – | – | 136K | SEC |
| 2026-03-07 | 03-10 | Parmer George | Director | M 選擇權執行 | 41.3K | – | – | 323K | SEC |
| 2026-03-07 | 03-10 | OMENN GILBERT S | Director | M 選擇權執行 | 41.3K | – | – | 144K | SEC |
| 2026-03-07 | 03-10 | LOSH J MICHAEL | Director | M 選擇權執行 | 41.3K | – | – | 138K | SEC |
| 2025-03-07 | 03-11 | OMENN GILBERT S | Director | A 獲配股票 | 41.3K | – | – | 102K | SEC |
| 2025-03-07 | 03-11 | LOSH J MICHAEL | Director | A 獲配股票 | 41.3K | – | – | 96.9K | SEC |
| 2025-03-07 | 03-11 | Parmer George | Director | A 獲配股票 | 41.3K | – | – | 282K | SEC |
| 2025-03-07 | 03-11 | Brewer Barbie | Director | A 獲配股票 | 41.3K | – | – | 94.7K | SEC |
| 2025-01-16 | 01-16 | OMENN GILBERT S | Director | M 選擇權執行 | 36.6K | – | – | 46.4K | SEC |
| 2025-01-16 | 01-16 | Brewer Barbie | Director | M 選擇權執行 | 36.6K | – | – | 38.7K | SEC |
| 2025-01-16 | 01-16 | Parmer George | Director | M 選擇權執行 | 36.6K | – | – | 226K | SEC |
| 2025-01-16 | 01-16 | LOSH J MICHAEL | Director | M 選擇權執行 | 36.6K | – | – | 40.9K | SEC |
| 2025-01-07 | 01-08 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 333K | 3.00 | 1,000K | 875K | SEC |
| 2025-01-07 | 01-08 | OMENN GILBERT S | Director | P 公開市場買進 | 3.3K | 3.00 | 10K | 9.8K | SEC |
| 2025-01-07 | 01-08 | Parmer George | Director | P 公開市場買進 | 83.3K | 3.00 | 250K | 189K | SEC |
| 2023-12-20 | 12-21 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 10.0K | 1.85 | 19K | 542K | SEC |
| 2023-03-31 | 03-11 | Brewer Barbie | Director | M 選擇權執行 | 14.6K | – | – | 53.3K | SEC |
| 2023-03-31 | 03-11 | LOSH J MICHAEL | Director | M 選擇權執行 | 14.6K | – | – | 55.6K | SEC |
| 2023-03-31 | 03-11 | Parmer George | Director | M 選擇權執行 | 14.6K | – | – | 240K | SEC |
| 2023-03-31 | 03-11 | OMENN GILBERT S | Director | M 選擇權執行 | 14.6K | – | – | 61.1K | SEC |
| 2023-03-08 | 03-08 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 1.0K | 3.10 | 3K | 532K | SEC |
| 2023-03-03 | 03-03 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 2.0K | 3.00 | 6K | 531K | SEC |
| 2023-03-01 | 03-01 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 2.0K | 3.00 | 6K | 529K | SEC |
| 2023-02-24 | 02-24 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 2.0K | 2.42 | 5K | 527K | SEC |
| 2022-12-01 | 12-02 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 20.0K | 0.33 | 7K | 6.3M | SEC |
| 2022-11-28 | 11-28 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 20.0K | 0.23 | 5K | 6.2M | SEC |
| 2021-12-28 | 12-28 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 5.0K | 0.99 | 5K | 6.3M | SEC |
| 2021-12-14 | 12-15 | OMENN GILBERT S | Director | P 公開市場買進 | 8.0K | 1.17 | 9K | 77.7K | SEC |
| 2021-12-13 | 12-15 | OMENN GILBERT S | Director | P 公開市場買進 | 8.0K | 1.18 | 9K | 69.7K | SEC |
| 2021-12-03 | 12-08 | Barkett Anthony M. | Director | P 公開市場買進 | 10.0K | 1.08 | 11K | 62.0K | SEC |
| 2021-12-02 | 12-03 | Ogawa Richard | Director | P 公開市場買進 | 20.0K | 1.10 | 22K | 90.7K | SEC |
| 2021-11-19 | 12-03 | Parmer George | Director | P 公開市場買進 | 10.0K | 1.31 | 13K | 1.3M | SEC |
| 2021-11-19 | 11-19 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 38.3K | 1.31 | 50K | 6.3M | SEC |
| 2021-06-11 | 06-11 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 15.0K | 3.73 | 56K | 6.2M | SEC |
| 2021-06-01 | 06-02 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 35.8K | 2.50 | 90K | 2.0M | SEC |
| 2021-05-28 | 06-02 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 17.5K | 2.39 | 42K | 2.1M | SEC |
| 2021-05-27 | 05-27 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 13.6K | 2.39 | 33K | 2.1M | SEC |
| 2021-05-26 | 05-27 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 22.4K | 2.27 | 51K | 2.1M | SEC |
| 2021-05-25 | 05-27 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 11.5K | 2.24 | 26K | 2.1M | SEC |
| 2021-05-24 | 05-24 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 10.2K | 2.25 | 23K | 2.1M | SEC |
| 2021-05-21 | 05-24 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 3.2K | 2.20 | 7K | 2.2M | SEC |
| 2021-05-20 | 05-24 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 56.4K | 2.21 | 125K | 2.2M | SEC |
| 2021-05-19 | 05-19 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 44.4K | 2.23 | 99K | 2.2M | SEC |
| 2021-05-18 | 05-19 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 16.4K | 2.19 | 36K | 2.3M | SEC |
| 2021-05-17 | 05-19 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 7.4K | 2.22 | 16K | 2.3K | SEC |
| 2021-05-14 | 05-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 40.1K | 2.36 | 95K | 2.3M | SEC |
| 2021-05-13 | 05-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 53.6K | 2.30 | 123K | 2.3M | SEC |
| 2021-05-12 | 05-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 13.7K | 2.22 | 30K | 2.4M | SEC |
| 2021-05-11 | 05-11 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 11.3K | 2.31 | 26K | 2.4M | SEC |
| 2021-05-10 | 05-11 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 12.6K | 2.50 | 32K | 2.4M | SEC |
| 2021-05-07 | 05-11 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 12.7K | 2.69 | 34K | 2.4M | SEC |
| 2021-05-06 | 05-06 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 13.8K | 2.67 | 37K | 2.4M | SEC |
| 2021-05-05 | 05-06 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 10.4K | 2.61 | 27K | 2.4M | SEC |
| 2021-05-04 | 05-06 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 52.0K | 2.96 | 154K | 2.5M | SEC |
| 2021-05-03 | 05-03 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 16.2K | 2.90 | 47K | – | SEC |
| 2021-04-30 | 05-03 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 28.7K | 2.72 | 78K | – | SEC |
| 2021-04-29 | 05-03 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 16.2K | 2.61 | 42K | – | SEC |
| 2021-04-28 | 04-28 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 3.4K | 2.86 | 10K | 2.6M | SEC |
| 2021-04-27 | 04-28 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 11.5K | 2.95 | 34K | 2.6M | SEC |
| 2021-04-26 | 04-28 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 13.5K | 2.97 | 40K | 2.6M | SEC |
| 2021-04-16 | 04-20 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 10.6K | 2.79 | 30K | 2.6M | SEC |
| 2021-04-15 | 04-20 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 25.0K | 3.23 | 81K | 2.6M | SEC |
| 2021-04-14 | 04-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 12.1K | 3.25 | 39K | 2.6M | SEC |
| 2021-04-13 | 04-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 26.5K | 3.26 | 86K | 2.6M | SEC |
| 2021-04-12 | 04-14 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 15.5K | 3.43 | 53K | 2.7M | SEC |
| 2021-04-09 | 04-09 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 11.0K | 3.52 | 39K | 2.7M | SEC |
| 2021-04-08 | 04-09 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 43.5K | 3.58 | 156K | 2.7M | SEC |
| 2021-04-06 | 04-07 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 67.9K | 4.19 | 285K | 2.7M | SEC |
| 2021-04-05 | 04-07 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 9.9K | 4.21 | 42K | 2.8M | SEC |
| 2021-04-01 | 04-01 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 29.4K | 4.12 | 121K | 2.8M | SEC |
| 2021-03-31 | 04-01 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 11.3K | 4.26 | 48K | 2.8M | SEC |
| 2021-03-30 | 04-01 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 45.8K | 4.26 | 195K | 2.9M | SEC |
| 2021-03-05 | 03-05 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 3.4K | 6.02 | 21K | 2.9M | SEC |
| 2021-03-04 | 03-05 | Tompkins Mark N. | TenPercentOwner | S 公開市場賣出 | 16.6K | 5.54 | 92K | 2.9M | SEC |
| 2020-09-29 | 09-29 | OMENN GILBERT S | Director | P 公開市場買進 | 20.0K | 5.00 | 100K | 61.7K | SEC |
| 2020-09-29 | 09-29 | Sastry Ann Marie | CHIEF EXECUTIVE OFFICER | P 公開市場買進 | 10.0K | 5.00 | 50K | 6.2M | SEC |
| 2020-09-29 | 09-29 | Ogawa Richard | Director | P 公開市場買進 | 4.0K | 5.00 | 20K | 70.7K | SEC |
| 2020-09-29 | 09-29 | Tompkins Mark N. | TenPercentOwner | P 公開市場買進 | 20.0K | 5.00 | 100K | 2.9M | 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 |
|---|---|---|---|---|
| Focus Partners Wealth | 167K | 223K | +1.4K (+1%) | 加碼 |
| GOLDMAN SACHS GROUP INC | 59.4K | 79K | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 32.7K | 43K | −20.9K (-39%) | 減碼 |
| STATE STREET CORP | 31.6K | 42K | 不變 | 持平 |
| VANGUARD CAPITAL MANAGEMENT LLC | 30.2K | 40K | 不變 | 持平 |
| Warberg Asset Management LLC | 14.3K | 19K | 新進 | 新進 |
| VANGUARD FIDUCIARY TRUST CO | 13.8K | 18K | 不變 | 持平 |
| JANE STREET GROUP, LLC | 12.8K | 17K | 新進 | 新進 |
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 10.1K | 13K | 新進 | 新進 |
| OSAIC HOLDINGS, INC. | 10.0K | 13K | 不變 | 持平 |
| Tower Research Capital LLC (TRC) | 4.1K | 5K | +2.4K (+136%) | 加碼 |
| UBS Group AG | 3.4K | 5K | +713 (+27%) | 加碼 |
| ROYAL BANK OF CANADA | 2.7K | 4K | +2.7K (+10716%) | 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 | 13 +0 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 4 / 4 / 3 / 1 |
| 機構合計持股 · 佔流通股 | 392K · 6.7% |
| 合計季末市值 | 522K |
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 | 12.9K |
|---|---|
| 與上期比 | +83.8% |
| 佔流通股數 | 0.22% |
| 日均成交量 | 174K |
| 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 | 12.9K | +83.8% | 0.22% | 174K | 1.0 |
| 2026-08-14 | 7.0K | -88.2% | 0.12% | 79.3K | 1.0 |
| 2026-07-31 | 59.7K | +7.7% | 1.02% | 106K | 1.0 |
| 2026-07-15 | 55.4K | -33.9% | 0.95% | 69.9K | 1.0 |
| 2026-06-30 | 83.8K | -56.8% | 1.43% | 123K | 1.0 |
| 2026-06-15 | 194K | -67.1% | 3.31% | 188K | 1.0 |
| 2026-05-29 | 589K | +77.2% | 10.06% | 20.4M | 1.0 |
| 2026-05-15 | 332K | +1.3% | 5.68% | 164K | 2.0 |
| 2026-04-30 | 328K | +232.5% | 5.60% | 1.4M | 1.0 |
| 2026-04-15 | 98.6K | -6.7% | 1.69% | 11.0K | 9.0 |
| 2026-03-31 | 106K | +63.7% | 1.81% | 26.3K | 4.0 |
| 2026-03-13 | 64.6K | -44.8% | 1.10% | 34.3K | 1.9 |
| 2026-02-27 | 117K | -15.8% | 2.00% | 12.7K | 9.2 |
| 2026-02-13 | 139K | +26.3% | 2.37% | 82.3K | 1.7 |
| 2026-01-30 | 110K | +8.9% | 1.88% | 28.5K | 3.9 |
| 2026-01-15 | 101K | -32.9% | 1.73% | 19.2K | 5.3 |
| 2025-12-31 | 151K | +323.6% | 2.57% | 872K | 1.0 |
| 2025-12-15 | 35.6K | -19.3% | 0.61% | 18.6K | 1.9 |
| 2025-11-28 | 44.1K | -40.8% | 0.75% | 19.6K | 2.3 |
| 2025-11-14 | 74.5K | -36.6% | 1.27% | 20.3K | 3.7 |
| 2025-10-31 | 118K | +53.0% | 2.01% | 89.1K | 1.3 |
| 2025-10-15 | 76.8K | -8.6% | 1.31% | 46.8K | 1.6 |
| 2025-09-30 | 84.0K | -71.3% | 1.44% | 70.9K | 1.2 |
| 2025-09-15 | 293K | +415.3% | 5.00% | 4.2M | 1.0 |
| 2025-08-29 | 56.8K | +1.1% | 0.97% | 13.5K | 4.2 |
| 2025-08-15 | 56.1K | -21.9% | 0.96% | 22.8K | 2.5 |