AMPL
Amplitude, Inc.
+0.09 (+0.67%)13.56USD409K成交股數1.8B市值–本益比(近四季)4.7股價營收比+21.2%營收年增(近四季)2026-11-04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 · 0.00 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 2 · 6.2M · 2 |
| 其中 10b5-1 計畫賣出 | 2 筆 |
| 近 180 天 買進 · 賣出金額 | 0.00 · 6.7M |
| 近 180 天 淨額 | −6.7M |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-10 | 09-14 | Skates Spenser | CEO and President | S 公開市場賣出(10b5-1) | 185K | 12.30 | 2.3M | 0 | SEC |
| 2026-09-10 | 09-14 | Skates Spenser | CEO and President | C 轉換 | 185K | – | – | 185K | SEC |
| 2026-09-04 | 09-09 | Crook Nathaniel Glenn | Chief Commercial Officer | S 公開市場賣出(10b5-1) | 300K | 12.99 | 3.9M | 1.6M | SEC |
| 2026-08-17 | 08-18 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 53.9K | 13.03 | 702K | 950K | SEC |
| 2026-08-17 | 08-18 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 72.8K | 13.03 | 949K | 1.4M | SEC |
| 2026-08-17 | 08-18 | Skates Spenser | CEO and President | F 繳稅扣股 | 52.4K | 13.03 | 682K | 1.2M | SEC |
| 2026-08-17 | 08-18 | Crook Nathaniel Glenn | Chief Commercial Officer | F 繳稅扣股 | 109K | 13.03 | 1.4M | 1.9M | SEC |
| 2026-07-05 | 07-07 | Tzuo Tien | Director | A 獲配股票 | 1.5K | – | – | 102K | SEC |
| 2026-07-05 | 07-07 | Schultz Erica | Director | A 獲配股票 | 1.7K | – | – | 143K | SEC |
| 2026-06-12 | 06-15 | Wong Catherine | Director | S 公開市場賣出(10b5-1) | 7.5K | 6.79 | 51K | 111K | SEC |
| 2026-06-09 | 06-11 | Grady Patrick W | Director,TenPercentOwner | A 獲配股票 | 24.9K | – | – | 85.8K | SEC |
| 2026-06-09 | 06-11 | Schultz Erica | Director | A 獲配股票 | 24.9K | – | – | 141K | SEC |
| 2026-06-09 | 06-11 | Whitehurst James M | Director | A 獲配股票 | 24.9K | – | – | 187K | SEC |
| 2026-06-09 | 06-11 | Gill Ronald S | Director | A 獲配股票 | 24.9K | – | – | 99.5K | SEC |
| 2026-06-09 | 06-11 | Wong Catherine | Director | A 獲配股票 | 24.9K | – | – | 119K | SEC |
| 2026-06-01 | 06-16 | Liu Curtis | Chief Technology Officer | S 公開市場賣出(10b5-1) | 22.8K | 8.03 | 183K | 1.0M | SEC |
| 2026-06-01 | 06-03 | Liu Curtis | Chief Technology Officer | S 公開市場賣出(10b5-1) | 22.2K | 8.03 | 178K | 1.0M | SEC |
| 2026-05-15 | 05-19 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 40.3K | 6.06 | 244K | 1.0M | SEC |
| 2026-05-15 | 05-19 | Skates Spenser | CEO and President | F 繳稅扣股 | 39.6K | 6.06 | 240K | 1.3M | SEC |
| 2026-05-15 | 05-19 | Crook Nathaniel Glenn | Chief Commercial Officer | F 繳稅扣股 | 101K | 6.06 | 614K | 2.0M | SEC |
| 2026-05-15 | 05-19 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 64.9K | 6.06 | 393K | 1.4M | SEC |
| 2026-05-04 | 05-06 | Liu Curtis | Chief Technology Officer | S 公開市場賣出(10b5-1) | 17.6K | 8.12 | 143K | 1.1M | SEC |
| 2026-04-21 | 04-22 | Skates Spenser | CEO and President | A 獲配股票 | 1.3M | – | – | 1.3M | SEC |
| 2026-04-15 | 04-17 | Liu Curtis | Chief Technology Officer | A 獲配股票 | 418K | – | – | 1.1M | SEC |
| 2026-04-15 | 04-17 | Casey Andrew | Chief Financial Officer | A 獲配股票 | 432K | – | – | 1.5M | SEC |
| 2026-04-15 | 04-17 | Crook Nathaniel Glenn | Chief Commercial Officer | A 獲配股票 | 975K | – | – | 2.1M | SEC |
| 2026-04-15 | 04-17 | Crook Nathaniel Glenn | Chief Commercial Officer | A 獲配股票 | 279K | – | – | 1.2M | SEC |
| 2026-04-05 | 04-07 | Tzuo Tien | Director | A 獲配股票 | 1.5K | – | – | 100K | SEC |
| 2026-04-05 | 04-07 | Schultz Erica | Director | A 獲配股票 | 1.7K | – | – | 117K | SEC |
| 2026-03-06 | 03-10 | Liu Curtis | Chief Technology Officer | S 公開市場賣出(10b5-1) | 33.2K | 8.01 | 266K | 604K | SEC |
| 2026-03-05 | 03-09 | Liu Curtis | Chief Technology Officer | S 公開市場賣出(10b5-1) | 30.1K | 8.00 | 240K | 637K | SEC |
| 2026-02-15 | 02-17 | HANSEN THOMAS NEERGAARD | President | F 繳稅扣股 | 69.1K | 6.34 | 438K | 1.8M | SEC |
| 2026-02-15 | 02-17 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 26.7K | 6.34 | 169K | 730K | SEC |
| 2026-02-15 | 02-17 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 39.4K | 6.34 | 250K | 1.1M | SEC |
| 2026-01-05 | 01-07 | Tzuo Tien | Director | A 獲配股票 | 999 | – | – | 98.5K | SEC |
| 2025-12-26 | 12-30 | Skates Spenser | Chief Executive Officer | S 公開市場賣出(10b5-1) | 100 | 12.00 | 1K | 0 | SEC |
| 2025-12-26 | 12-30 | Skates Spenser | Chief Executive Officer | C 轉換 | 100 | – | – | 100 | SEC |
| 2025-12-24 | 12-29 | Skates Spenser | Chief Executive Officer | S 公開市場賣出(10b5-1) | 42.7K | 12.01 | 513K | 0 | SEC |
| 2025-12-24 | 12-29 | Skates Spenser | Chief Executive Officer | C 轉換 | 42.7K | – | – | 42.7K | SEC |
| 2025-12-15 | 12-17 | Schultz Erica | Director | M 選擇權執行 | 10.0K | 4.19 | 42K | 125K | SEC |
| 2025-12-15 | 12-17 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 10.0K | 10.88 | 109K | 115K | SEC |
| 2025-11-17 | 11-19 | Schultz Erica | Director | M 選擇權執行 | 10.0K | 4.19 | 42K | 117K | SEC |
| 2025-11-17 | 11-19 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 10.0K | 10.23 | 102K | 107K | SEC |
| 2025-11-15 | 11-18 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 54.4K | 10.73 | 584K | 1.1M | SEC |
| 2025-11-15 | 11-18 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 36.1K | 10.73 | 387K | 757K | SEC |
| 2025-11-15 | 11-18 | HANSEN THOMAS NEERGAARD | President | F 繳稅扣股 | 91.6K | 10.73 | 983K | 1.9M | SEC |
| 2025-11-11 | 11-13 | Skates Spenser | Chief Executive Officer | S 公開市場賣出(10b5-1) | 400K | 10.99 | 4.4M | 0 | SEC |
| 2025-11-11 | 11-13 | Skates Spenser | Chief Executive Officer | C 轉換 | 400K | – | – | 400K | SEC |
| 2025-11-07 | 11-12 | Casey Andrew | Chief Financial Officer | P 公開市場買進 | 30.0K | 9.99 | 300K | 1.2M | SEC |
| 2025-10-15 | 10-17 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 10.0K | 10.12 | 101K | 107K | SEC |
| 2025-10-15 | 10-17 | Schultz Erica | Director | M 選擇權執行 | 10.0K | 4.19 | 42K | 117K | SEC |
| 2025-10-05 | 10-07 | Tzuo Tien | Director | A 獲配股票 | 977 | – | – | 97.5K | SEC |
| 2025-09-15 | 09-17 | Schultz Erica | Director | M 選擇權執行 | 10.0K | 4.19 | 42K | 117K | SEC |
| 2025-09-15 | 09-17 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 10.0K | 11.06 | 111K | 107K | SEC |
| 2025-08-15 | 08-19 | Schultz Erica | Director | M 選擇權執行 | 7.5K | 4.19 | 31K | 115K | SEC |
| 2025-08-15 | 08-19 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 34.3K | 11.47 | 393K | 793K | SEC |
| 2025-08-15 | 08-19 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 7.5K | 11.46 | 86K | 107K | SEC |
| 2025-08-15 | 08-19 | HANSEN THOMAS NEERGAARD | President | F 繳稅扣股 | 95.8K | 11.47 | 1.1M | 2.0M | SEC |
| 2025-08-15 | 08-19 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 54.4K | 11.47 | 624K | 1.1M | SEC |
| 2025-07-15 | 07-17 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 7.5K | 12.56 | 94K | 107K | SEC |
| 2025-07-15 | 07-17 | Schultz Erica | Director | M 選擇權執行 | 7.5K | 4.19 | 31K | 115K | SEC |
| 2025-07-05 | 07-08 | Tzuo Tien | Director | A 獲配股票 | 894 | – | – | 96.6K | SEC |
| 2025-06-12 | 06-16 | Schultz Erica | Director | A 獲配股票 | 14.9K | – | – | 107K | SEC |
| 2025-06-12 | 06-16 | Vishria Eric | Director | A 獲配股票 | 14.9K | – | – | 64.7K | SEC |
| 2025-06-12 | 06-16 | Wong Catherine | Director | A 獲配股票 | 14.9K | – | – | 94.1K | SEC |
| 2025-06-12 | 06-16 | Whitehurst James M | Director | A 獲配股票 | 14.9K | – | – | 162K | SEC |
| 2025-06-12 | 06-16 | Grady Patrick W | Director,TenPercentOwner | A 獲配股票 | 14.9K | – | – | 60.9K | SEC |
| 2025-06-12 | 06-16 | Gill Ronald S | Director | A 獲配股票 | 14.9K | – | – | 74.7K | SEC |
| 2025-06-11 | 07-17 | Schultz Erica | Director | M 選擇權執行 | 7.5K | 4.19 | 31K | 100K | SEC |
| 2025-06-11 | 06-13 | Schultz Erica | Director | S 公開市場賣出(10b5-1) | 26.4K | 12.49 | 330K | 92.5K | SEC |
| 2025-06-11 | 06-13 | Wong Catherine | Director | S 公開市場賣出(10b5-1) | 8.5K | 12.49 | 106K | 79.2K | SEC |
| 2025-05-19 | 05-21 | Wong Catherine | Director | S 公開市場賣出(10b5-1) | 3.5K | 11.75 | 41K | 87.7K | SEC |
| 2025-05-15 | 05-19 | Liu Curtis | Chief Technology Officer | F 繳稅扣股 | 25.5K | 12.14 | 310K | 827K | SEC |
| 2025-05-15 | 05-19 | HANSEN THOMAS NEERGAARD | President | F 繳稅扣股 | 95.8K | 12.14 | 1.2M | 2.1M | SEC |
| 2025-05-15 | 05-19 | Casey Andrew | Chief Financial Officer | F 繳稅扣股 | 54.4K | 12.14 | 660K | 1.2M | SEC |
| 2025-05-12 | 05-14 | Vishria Eric | Director | J 其他 | 1.7M | – | – | 0 | SEC |
| 2025-05-12 | 05-14 | Vishria Eric | Director | S 公開市場賣出(10b5-1) | 10.0K | 12.00 | 120K | 330K | SEC |
| 2025-05-12 | 05-14 | Vishria Eric | Director | J 其他 | 77.8K | – | – | 340K | SEC |
| 2025-05-12 | 05-14 | Vishria Eric | Director | C 轉換 | 1.7M | – | – | 1.7M | SEC |
| 2025-05-08 | 05-12 | Vishria Eric | Director | S 公開市場賣出(10b5-1) | 25.0K | 10.15 | 254K | 262K | 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 |
|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 11.1M | 84.8M | 新進 | 新進 |
| BlackRock, Inc. | 10.0M | 76.8M | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | 46.5M | 新進 | 新進 |
| FMR LLC | 6.0M | 45.7M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9M | 30.1M | 新進 | 新進 |
| SC US (TTGP), LTD. | 2.8M | 21.4M | 新進 | 新進 |
| STATE STREET CORP | 2.6M | 19.9M | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5M | 19.0M | 新進 | 新進 |
| Trigran Investments, Inc. | 2.3M | 17.8M | 新進 | 新進 |
| BAILLIE GIFFORD & CO | 1.8M | 13.6M | 新進 | 新進 |
| Optimus Prime Fund Management Co., Ltd. | 1.6M | 12.1M | 新進 | 新進 |
| AQR CAPITAL MANAGEMENT LLC | 1.5M | 11.5M | 新進 | 新進 |
| Point72(柯恩) Point72 Asset Management, L.P. | 1.4M | 10.8M | 新進 | 新進 |
| MORGAN STANLEY | 1.1M | 8.8M | 新進 | 新進 |
| GAGNON SECURITIES LLC | 1.1M | 8.1M | 新進 | 新進 |
| ROYCE & ASSOCIATES LP | 1.1M | 8.0M | 新進 | 新進 |
| Squarepoint Ops LLC | 1.0M | 7.8M | 新進 | 新進 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 960K | 7.3M | 新進 | 新進 |
| NORTHERN TRUST CORP | 924K | 7.1M | 新進 | 新進 |
| DIMENSIONAL FUND ADVISORS LP | 896K | 6.9M | 新進 | 新進 |
| 城堡 CITADEL ADVISORS LLC | 873K | 6.7M | 新進 | 新進 |
| Meros Investment Management, LP | 828K | 6.3M | 新進 | 新進 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 804K | 6.1M | 新進 | 新進 |
| MONIMUS CAPITAL MANAGEMENT, LP | 784K | 6.0M | 新進 | 新進 |
| CenterBook Partners LP | 771K | 5.9M | 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 | 202 -16 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 202 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 80.4M · 62.2% |
| 合計季末市值 | 611M |
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 | 7.4M |
|---|---|
| 與上期比 | -4.1% |
| 佔流通股數 | 5.75% |
| 日均成交量 | 1.7M |
| 回補天數 | 4.4 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 | 7.4M | -4.1% | 5.75% | 1.7M | 4.4 |
| 2026-08-14 | 7.8M | +1.0% | 6.00% | 2.8M | 2.8 |
| 2026-07-31 | 7.7M | -11.7% | 5.94% | 1.7M | 4.4 |
| 2026-07-15 | 8.7M | +8.6% | 6.72% | 2.8M | 3.1 |
| 2026-06-30 | 8.0M | +3.0% | 6.19% | 2.2M | 3.6 |
| 2026-06-15 | 7.8M | +8.3% | 6.01% | 2.7M | 2.8 |
| 2026-05-29 | 7.2M | +11.2% | 5.55% | 2.8M | 2.5 |
| 2026-05-15 | 6.5M | +4.7% | 4.99% | 3.1M | 2.1 |
| 2026-04-30 | 6.2M | -12.8% | 4.77% | 1.4M | 4.5 |
| 2026-04-15 | 7.1M | -5.2% | 5.47% | 1.8M | 4.0 |
| 2026-03-31 | 7.5M | +4.8% | 5.77% | 1.6M | 4.6 |
| 2026-03-13 | 7.1M | +4.4% | 5.51% | 1.9M | 3.8 |
| 2026-02-27 | 6.8M | -3.0% | 5.28% | 3.4M | 2.0 |
| 2026-02-13 | 7.0M | +4.2% | 5.44% | 2.7M | 2.6 |
| 2026-01-30 | 6.7M | +24.9% | 5.22% | 1.3M | 5.0 |
| 2026-01-15 | 5.4M | +10.0% | 4.18% | 1.2M | 4.6 |
| 2025-12-31 | 4.9M | +6.1% | 3.80% | 1.1M | 4.4 |
| 2025-12-15 | 4.6M | +3.3% | 3.58% | 946K | 4.9 |
| 2025-11-28 | 4.5M | +1.5% | 3.47% | 1.1M | 4.1 |
| 2025-11-14 | 4.4M | +6.3% | 3.41% | 2.3M | 1.9 |
| 2025-10-31 | 4.2M | -20.4% | 3.21% | 1.2M | 3.3 |
| 2025-10-15 | 5.2M | +2.4% | 4.04% | 1.1M | 4.8 |
| 2025-09-30 | 5.1M | -5.7% | 3.94% | 1.3M | 3.8 |
| 2025-09-15 | 5.4M | +20.6% | 4.18% | 1.8M | 3.0 |
| 2025-08-29 | 4.5M | +1.2% | 3.46% | 1.6M | 2.8 |
| 2025-08-15 | 4.4M | +15.1% | 3.42% | 2.2M | 2.0 |