Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-01 Sale(A) | 2026-06-16 5:15 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 22,786 | $8.0259 | $182,878 | 1,004,194 (Direct) | View |
| 2026-06-01 Sale | 2026-06-03 5:17 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 22,201 | $8.0259 | $178,183 | 1,004,779 (Direct) | View |
| 2026-05-04 Sale | 2026-05-06 4:52 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 17,586 | $8.1245 | $142,877 | 1,067,259 (Direct) | View |
| 2026-03-06 Sale | 2026-03-10 4:54 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 33,201 | $8.007 | $265,840 | 603,756 (Direct) | View |
| 2026-03-05 Sale | 2026-03-09 4:44 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 30,061 | $8.0017 | $240,539 | 636,957 (Direct) | View |
| 2021-09-28 Sale | 2021-09-30 7:32 pm | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 300,772 | $50.43 | $15,167,820 | 79,228 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-05-15 Tax Withholding | 2026-05-19 4:28 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 40,279 | $6.06 | 1,026,980 (Direct) | View |
| 2026-04-15 Option Award | 2026-04-17 5:55 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 417,827 | $0 | 1,084,845 (Direct) | View |
| 2026-02-15 Tax Withholding | 2026-02-17 4:34 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 26,672 | $6.34 | 730,280 (Direct) | View |
| 2025-11-15 Tax Withholding | 2025-11-18 5:18 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 36,092 | $10.73 | 756,952 (Direct) | View |
| 2025-08-15 Tax Withholding | 2025-08-19 5:44 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 34,301 | $11.47 | 793,044 (Direct) | View |
| 2025-05-15 Tax Withholding | 2025-05-19 5:22 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 25,533 | $12.14 | 8,209,553 (Direct) | View |
| 2025-04-25 Option Award | 2025-04-29 4:59 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 852,878 | $0 | 8,235,086 (Direct) | View |
| 2024-02-01 Exercise | 2024-02-05 5:12 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $4.19 | 7,394,407 (Direct) | View |
| 2024-02-01 Conversion | 2024-02-05 5:12 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $0 | 7,394,407 (Direct) | View |
| 2024-02-01 Exercise | 2024-02-05 5:12 pm | N/A 2030-12-28 | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $0 | 7,394,407 (Direct) | View |
| 2023-02-01 Exercise | 2023-02-03 6:28 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $4.19 | 7,394,407 (Direct) | View |
| 2023-02-01 Conversion | 2023-02-03 6:28 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $0 | 7,394,407 (Direct) | View |
| 2023-02-01 Exercise | 2023-02-03 6:28 pm | N/A 2030-12-28 | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 23,866 | $0 | 7,394,407 (Direct) | View |
| 2022-02-17 Exercise | 2022-02-23 6:14 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 93,866 | $4.19 | 7,989,150 (Indirect) | View |
| 2022-02-17 Conversion | 2022-02-23 6:14 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 93,866 | $0 | 7,989,150 (Indirect) | View |
| 2022-02-17 Exercise | 2022-02-23 6:14 pm | N/A 2030-12-28 | Amplitude Inc. | AMPL | Liu Curtis Chief Technology Officer 10% Owner | 93,866 | $0 | 7,989,150 (Indirect) | View |
Ownership | 2021-09-21 6:00 pm | N/A N/A | Amplitude Inc. | AMPL | Liu Curtis Director | 0 | $0 | 8,407,690 (Indirect) | View |