ALT
Altimmune, Inc.
+0.03 (+0.93%)3.27USD1.4M成交股數636M市值–本益比(近四季)15514.9股價營收比–營收年增(近四季)2026-11-05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 | 1 · 44K · 1 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 154K · 0.00 |
| 近 180 天 淨額 | 154K |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-08-13 | 08-13 | Durso Jerome Benedict | President and CEO | P 公開市場買進 | 15.0K | 2.95 | 44K | 62.5K | SEC |
| 2026-07-31 | 08-03 | Roberts M Scot | Chief Scientific Officer | A 獲配股票 | 875 | 2.41 | 2K | 114K | SEC |
| 2026-07-31 | 08-03 | WEAVER GREGORY L | Chief Financial Officer | A 獲配股票 | 1.8K | 2.41 | 4K | 39.8K | SEC |
| 2026-04-06 | 04-06 | GILL JOHN | Director | P 公開市場買進 | 9.2K | 3.41 | 31K | 21.7K | SEC |
| 2026-04-01 | 04-01 | WEAVER GREGORY L | Chief Financial Officer | P 公開市場買進 | 10.0K | 3.15 | 32K | 38.1K | SEC |
| 2026-04-01 | 04-01 | Durso Jerome Benedict | President and CEO | P 公開市場買進 | 15.0K | 3.14 | 47K | 47.5K | SEC |
| 2026-03-06 | 03-09 | Durso Jerome Benedict | President and CEO | P 公開市場買進 | 20.0K | 3.54 | 71K | 32.5K | SEC |
| 2026-03-06 | 03-09 | WEAVER GREGORY L | Chief Financial Officer | P 公開市場買進 | 5.0K | 3.54 | 18K | 28.1K | SEC |
| 2026-02-02 | 02-03 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 2.3K | 5.55 | 13K | 113K | SEC |
| 2026-02-02 | 02-03 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 7.8K | – | – | 115K | SEC |
| 2026-01-31 | 02-03 | Roberts M Scot | Chief Scientific Officer | A 獲配股票 | 5.6K | 3.07 | 17K | 107K | SEC |
| 2026-01-31 | 02-02 | Garg Vipin K | Director | A 獲配股票 | 6.9K | 3.07 | 21K | 425K | SEC |
| 2026-01-31 | 02-02 | Jordt Raymond M | Chief Business Officer | A 獲配股票 | 4.6K | 3.07 | 14K | 70.1K | SEC |
| 2026-01-30 | 02-03 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 9.3K | – | – | 105K | SEC |
| 2026-01-30 | 02-03 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 2.9K | 5.60 | 16K | 102K | SEC |
| 2026-01-30 | 02-02 | Garg Vipin K | Director | F 繳稅扣股 | 11.6K | 5.60 | 65K | 418K | SEC |
| 2026-01-30 | 02-02 | Garg Vipin K | Director | M 選擇權執行 | 26.8K | – | – | 429K | SEC |
| 2026-01-27 | 01-29 | Garg Vipin K | Director | M 選擇權執行 | 41.2K | – | – | 420K | SEC |
| 2026-01-27 | 01-29 | Jordt Raymond M | Chief Business Officer | F 繳稅扣股 | 4.2K | 6.18 | 26K | 65.5K | SEC |
| 2026-01-27 | 01-29 | Jordt Raymond M | Chief Business Officer | M 選擇權執行 | 15.8K | – | – | 69.8K | SEC |
| 2026-01-27 | 01-29 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 15.8K | – | – | 100K | SEC |
| 2026-01-27 | 01-29 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 4.7K | 6.18 | 29K | 95.4K | SEC |
| 2026-01-27 | 01-29 | Garg Vipin K | Director | F 繳稅扣股 | 17.9K | 6.18 | 111K | 402K | SEC |
| 2026-01-25 | 01-27 | Jordt Raymond M | Chief Business Officer | M 選擇權執行 | 14.6K | – | – | 57.8K | SEC |
| 2026-01-25 | 01-27 | Garg Vipin K | Director | M 選擇權執行 | 42.0K | – | – | 397K | SEC |
| 2026-01-25 | 01-27 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 4.4K | 5.50 | 24K | 84.3K | SEC |
| 2026-01-25 | 01-27 | Garg Vipin K | Director | F 繳稅扣股 | 18.0K | 5.50 | 99K | 379K | SEC |
| 2026-01-25 | 01-27 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 14.6K | – | – | 88.7K | SEC |
| 2026-01-25 | 01-27 | Jordt Raymond M | Chief Business Officer | F 繳稅扣股 | 3.9K | 5.50 | 21K | 53.9K | SEC |
| 2026-01-08 | 01-09 | Pisano Wayne | Director | P 公開市場買進 | 5.0K | 4.08 | 20K | 13.5K | SEC |
| 2026-01-05 | 01-05 | Sohn Catherine A. | Director | P 公開市場買進 | 500 | 4.24 | 2K | 1.5K | SEC |
| 2026-01-01 | 01-05 | Jordt Raymond M | Chief Business Officer | M 選擇權執行 | 9.4K | – | – | 45.6K | SEC |
| 2026-01-01 | 01-05 | Jordt Raymond M | Chief Business Officer | F 繳稅扣股 | 2.5K | 3.61 | 9K | 43.2K | SEC |
| 2025-12-29 | 12-29 | Jorkasky Diane | Director | P 公開市場買進 | 527 | 3.80 | 2K | 527 | SEC |
| 2025-12-23 | 12-23 | GILL JOHN | Director | P 公開市場買進 | 12.5K | 4.10 | 51K | 12.5K | SEC |
| 2025-12-22 | 12-22 | Durso Jerome Benedict | Director | P 公開市場買進 | 12.5K | 4.13 | 52K | 12.5K | SEC |
| 2025-11-11 | 11-12 | WEAVER GREGORY L | Chief Financial Officer | F 繳稅扣股 | 5.7K | 4.28 | 24K | 23.1K | SEC |
| 2025-11-11 | 11-12 | WEAVER GREGORY L | Chief Financial Officer | M 選擇權執行 | 18.8K | – | – | 28.8K | SEC |
| 2025-07-31 | 08-04 | Roberts M Scot | Chief Scientific Officer | A 獲配股票 | 846 | 3.14 | 3K | 74.1K | SEC |
| 2025-07-31 | 08-04 | Jordt Raymond M | Chief Business Officer | A 獲配股票 | 1.4K | 3.14 | 4K | 36.3K | SEC |
| 2025-07-31 | 08-04 | Harris Matthew Scott | Chief Medical Officer | A 獲配股票 | 2.0K | 3.14 | 6K | 16.1K | SEC |
| 2025-03-17 | 03-18 | Sohn Catherine A. | Director | P 公開市場買進 | 1.0K | 5.78 | 6K | 1.0K | SEC |
| 2025-03-13 | 03-14 | WEAVER GREGORY L | Chief Financial Officer | P 公開市場買進 | 10.0K | 5.20 | 52K | 10.0K | SEC |
| 2025-03-07 | 03-11 | Harris Matthew Scott | Chief Medical Officer | G 贈與 | 67.8K | – | – | 14.1K | SEC |
| 2025-02-02 | 02-03 | Harris Matthew Scott | Chief Medical Officer | F 繳稅扣股 | 2.7K | 6.64 | 18K | 81.9K | SEC |
| 2025-02-02 | 02-03 | Harris Matthew Scott | Chief Medical Officer | M 選擇權執行 | 7.8K | – | – | 84.6K | SEC |
| 2025-02-02 | 02-03 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 2.3K | 6.64 | 15K | 73.2K | SEC |
| 2025-02-02 | 02-03 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 7.8K | – | – | 75.5K | SEC |
| 2025-02-02 | 02-03 | Garg Vipin K | President and CEO | F 繳稅扣股 | 8.3K | 6.64 | 55K | 355K | SEC |
| 2025-02-02 | 02-03 | Garg Vipin K | President and CEO | M 選擇權執行 | 18.9K | – | – | 363K | SEC |
| 2025-02-01 | 02-03 | Harris Matthew Scott | Chief Medical Officer | F 繳稅扣股 | 2.1K | 6.64 | 14K | 76.8K | SEC |
| 2025-02-01 | 02-03 | Harris Matthew Scott | Chief Medical Officer | M 選擇權執行 | 6.2K | – | – | 78.9K | SEC |
| 2025-02-01 | 02-03 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 6.2K | – | – | 69.6K | SEC |
| 2025-02-01 | 02-03 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 1.8K | 6.64 | 12K | 67.8K | SEC |
| 2025-02-01 | 02-03 | Garg Vipin K | President and CEO | M 選擇權執行 | 16.5K | – | – | 352K | SEC |
| 2025-02-01 | 02-03 | Garg Vipin K | President and CEO | F 繳稅扣股 | 7.2K | 6.64 | 48K | 344K | SEC |
| 2025-01-31 | 02-03 | Garg Vipin K | President and CEO | A 獲配股票 | 4.1K | 5.18 | 21K | 335K | SEC |
| 2025-01-31 | 02-03 | Harris Matthew Scott | Chief Medical Officer | A 獲配股票 | 1.9K | 5.18 | 10K | 72.7K | SEC |
| 2025-01-31 | 02-03 | Jordt Raymond M | Chief Business Officer | A 獲配股票 | 2.6K | 5.18 | 14K | 34.9K | SEC |
| 2025-01-31 | 02-03 | Roberts M Scot | Chief Scientific Officer | A 獲配股票 | 3.2K | 5.18 | 16K | 63.4K | SEC |
| 2025-01-30 | 02-03 | Garg Vipin K | President and CEO | F 繳稅扣股 | 11.7K | 7.00 | 82K | 331K | SEC |
| 2025-01-30 | 02-03 | Garg Vipin K | President and CEO | M 選擇權執行 | 26.8K | – | – | 343K | SEC |
| 2025-01-30 | 02-03 | Harris Matthew Scott | Chief Medical Officer | F 繳稅扣股 | 3.2K | 7.00 | 22K | 70.8K | SEC |
| 2025-01-30 | 02-03 | Harris Matthew Scott | Chief Medical Officer | M 選擇權執行 | 9.3K | – | – | 74.0K | SEC |
| 2025-01-30 | 02-03 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 2.7K | 7.00 | 19K | 60.2K | SEC |
| 2025-01-30 | 02-03 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 9.3K | – | – | 62.9K | SEC |
| 2025-01-25 | 01-28 | Garg Vipin K | President and CEO | F 繳稅扣股 | 18.2K | 6.98 | 127K | 316K | SEC |
| 2025-01-25 | 01-28 | Garg Vipin K | President and CEO | M 選擇權執行 | 42.0K | – | – | 334K | SEC |
| 2025-01-25 | 01-28 | Jordt Raymond M | Chief Business Officer | M 選擇權執行 | 14.6K | – | – | 36.1K | SEC |
| 2025-01-25 | 01-28 | Roberts M Scot | Chief Scientific Officer | F 繳稅扣股 | 4.3K | 6.98 | 30K | 53.6K | SEC |
| 2025-01-25 | 01-28 | Roberts M Scot | Chief Scientific Officer | M 選擇權執行 | 14.6K | – | – | 57.9K | SEC |
| 2025-01-25 | 01-28 | Jordt Raymond M | Chief Business Officer | F 繳稅扣股 | 3.9K | 6.98 | 27K | 32.3K | SEC |
| 2025-01-25 | 01-28 | Harris Matthew Scott | Chief Medical Officer | F 繳稅扣股 | 5.0K | 6.98 | 35K | 64.7K | SEC |
| 2025-01-25 | 01-28 | Harris Matthew Scott | Chief Medical Officer | M 選擇權執行 | 14.6K | – | – | 69.7K | SEC |
| 2025-01-01 | 01-03 | Jordt Raymond M | Chief Business Officer | F 繳稅扣股 | 2.5K | 7.21 | 18K | 21.6K | SEC |
| 2025-01-01 | 01-03 | Jordt Raymond M | Chief Business Officer | M 選擇權執行 | 9.4K | – | – | 24.0K | SEC |
| 2024-08-19 | 08-20 | Drutz David | Director | M 選擇權執行 | 21.8K | 2.50 | 54K | 63.7K | SEC |
| 2024-08-19 | 08-20 | Drutz David | Director | S 公開市場賣出 | 7.8K | 6.93 | 54K | 42.0K | SEC |
| 2024-08-19 | 08-20 | Drutz David | Director | M 選擇權執行 | 20.0K | 2.60 | 52K | 49.8K | SEC |
| 2024-08-19 | 08-20 | Drutz David | Director | S 公開市場賣出 | 8.2K | 6.88 | 56K | 55.5K | 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 |
|---|---|---|---|---|
| BlackRock, Inc. | 20.4M | 62.0M | 新進 | 新進 |
| Deep Track Capital, LP | 19.3M | 58.5M | 新進 | 新進 |
| STATE STREET CORP | 12.1M | 36.8M | 新進 | 新進 |
| TCG Crossover Management, LLC | 10.0M | 30.4M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 8.2M | 24.9M | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.3M | 22.3M | 新進 | 新進 |
| MARSHALL WACE, LLP | 6.8M | 20.8M | 新進 | 新進 |
| 維京環球 VIKING GLOBAL INVESTORS LP | 6.7M | 20.4M | 新進 | 新進 |
| RA CAPITAL MANAGEMENT, L.P. | 6.5M | 19.8M | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 5.0M | 15.2M | 新進 | 新進 |
| Woodline Partners LP | 3.4M | 10.3M | 新進 | 新進 |
| 千禧 MILLENNIUM MANAGEMENT LLC | 3.3M | 10.1M | 新進 | 新進 |
| Nantahala Capital Management, LLC | 3.0M | 9.1M | 新進 | 新進 |
| Trails Edge Capital Partners, LP | 2.7M | 8.1M | 新進 | 新進 |
| Nuveen, LLC | 2.4M | 7.3M | 新進 | 新進 |
| Two Sigma TWO SIGMA INVESTMENTS, LP | 2.4M | 7.2M | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 2.2M | 6.7M | 新進 | 新進 |
| GREAT POINT PARTNERS LLC | 1.7M | 5.3M | 新進 | 新進 |
| NORTHERN TRUST CORP | 1.6M | 4.9M | 新進 | 新進 |
| Weiss Asset Management LP | 1.5M | 4.7M | 新進 | 新進 |
| VANGUARD FIDUCIARY TRUST CO | 1.3M | 3.9M | 新進 | 新進 |
| Cormorant Asset Management, LP | 1.3M | 3.8M | 新進 | 新進 |
| AQR CAPITAL MANAGEMENT LLC | 1.2M | 3.7M | 新進 | 新進 |
| 城堡 CITADEL ADVISORS LLC | 984K | 3.0M | 新進 | 新進 |
| UBS Group AG | 866K | 2.6M | 新進 | 新進 |
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 | 210 +37 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 210 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 152M · 77.9% |
| 合計季末市值 | 459M |
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 | 49.7M |
|---|---|
| 與上期比 | -2.5% |
| 佔流通股數 | 25.56% |
| 日均成交量 | 4.2M |
| 回補天數 | 11.8 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 | 49.7M | -2.5% | 25.56% | 4.2M | 11.8 |
| 2026-08-14 | 51.0M | -1.9% | 26.20% | 4.6M | 11.0 |
| 2026-07-31 | 51.9M | +7.7% | 26.70% | 4.5M | 11.5 |
| 2026-07-15 | 48.2M | +1.3% | 24.80% | 3.9M | 12.5 |
| 2026-06-30 | 47.6M | +13.6% | 24.49% | 5.9M | 8.1 |
| 2026-06-15 | 41.9M | +7.2% | 21.55% | 2.9M | 14.6 |
| 2026-05-29 | 39.1M | +3.9% | 20.11% | 2.7M | 14.5 |
| 2026-05-15 | 37.6M | +6.2% | 19.35% | 3.4M | 11.0 |
| 2026-04-30 | 35.4M | +23.4% | 18.22% | 7.2M | 4.9 |
| 2026-04-15 | 28.7M | -1.8% | 14.77% | 2.1M | 13.7 |
| 2026-03-31 | 29.2M | +10.4% | 15.04% | 3.8M | 7.7 |
| 2026-03-13 | 26.5M | +3.9% | 13.62% | 3.8M | 7.0 |
| 2026-02-27 | 25.5M | +1.5% | 13.11% | 2.6M | 10.0 |
| 2026-02-13 | 25.1M | +4.0% | 12.92% | 3.5M | 7.2 |
| 2026-01-30 | 24.2M | -8.5% | 12.42% | 6.9M | 3.5 |
| 2026-01-15 | 26.4M | +2.3% | 13.58% | 6.2M | 4.2 |
| 2025-12-31 | 25.8M | +8.8% | 13.27% | 5.5M | 4.7 |
| 2025-12-15 | 23.7M | +2.4% | 12.19% | 3.8M | 6.2 |
| 2025-11-28 | 23.2M | -0.6% | 11.91% | 3.3M | 7.0 |
| 2025-11-14 | 23.3M | +6.9% | 11.97% | 3.3M | 7.1 |
| 2025-10-31 | 21.8M | +1.3% | 11.20% | 2.5M | 8.7 |
| 2025-10-15 | 21.5M | -17.9% | 11.05% | 3.0M | 7.3 |
| 2025-09-30 | 26.2M | +4.4% | 13.47% | 3.0M | 8.7 |
| 2025-09-15 | 25.1M | -6.3% | 12.90% | 1.9M | 13.2 |
| 2025-08-29 | 26.8M | +5.1% | 13.76% | 3.1M | 8.6 |
| 2025-08-15 | 25.5M | -1.2% | 13.09% | 2.8M | 9.2 |