Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-28 4:09 pm Purchase | 2026-03-31 | 13G | AMPLITUDE INC AMPL | VANGUARD PORTFOLIO MANAGEMENT LLC | 6,250,377 6.000% | 6,250,377 (New Position) | Filing History |
| 2026-04-07 07:58 am Unchanged | 2026-03-31 | 13G | AMPLITUDE INC AMPL | WELLINGTON MANAGEMENT GROUP LLP | 11,154,556 10.700% | 0 (Unchanged) | Filing History |
| 2026-04-07 07:57 am Purchase | 2026-03-31 | 13G | AMPLITUDE INC AMPL | WELLINGTON MANAGEMENT GROUP LLP | 11,154,556 10.700% | 11,154,556 (New Position) | Filing History |
| 2026-03-26 3:41 pm Sale | 2026-03-13 | 13G | AMPLITUDE INC AMPL | VANGUARD GROUP INC | 0 0.000% | -10,825,568 (Position Closed) | Filing History |
| 2026-02-17 10:28 am Sale | 2025-12-31 | 13G | AMPLITUDE INC AMPL | T. Rowe Price Investment Management, Inc. | 441 0.000% | -5,071,393 (-99.99%) | Filing History |
| 2026-01-07 2:59 pm Purchase | 2025-12-31 | 13G | AMPLITUDE INC AMPL | VANGUARD GROUP INC | 10,825,568 10.440% | 2,982,157 (+38.02%) | Filing History |
| 2025-11-14 12:18 pm Sale | 2025-09-30 | 13G | AMPLITUDE INC AMPL | T. Rowe Price Investment Management, Inc. | 5,071,834 5.000% | -3,154,168 (-38.34%) | Filing History |
| 2025-11-14 11:59 am Purchase | 2025-09-30 | 13G | AMPLITUDE INC AMPL | ALLIANCEBERNSTEIN L.P. | 6,025,390 5.900% | 6,025,390 (New Position) | Filing History |
| 2025-08-11 10:50 am Sale | 2025-06-30 | 13G | AMPLITUDE INC AMPL | GIC Private Limited | 4,977,818 4.800% | -861,110 (-14.75%) | Filing History |
| 2025-08-06 11:51 am Sale | 2025-06-30 | 13G | AMPLITUDE INC AMPL | FMR LLC | 3,288,481 3.300% | -4,019,340 (-55.00%) | Filing History |
| 2025-05-15 4:46 pm Sale | 2025-03-31 | 13G | AMPLITUDE INC AMPL | Battery Ventures XI-A, L.P. | 4,665,785 4.700% | -2,928,474 (-38.56%) | Filing History |
| 2025-05-12 10:24 am Sale | 2025-03-31 | 13G | AMPLITUDE INC AMPL | FMR LLC | 7,307,821 7.600% | -748,182 (-9.29%) | Filing History |
| 2025-02-25 9:23 pm Sale | 2025-02-20 | 13D | AMPLITUDE INC AMPL | SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. ("USV 2010") | 10,223,342 9.900% | -460,741 (-4.31%) | Filing History |
| 2024-11-14 1:28 pm Sale | 2024-09-30 | 13G | AMPLITUDE INC AMPL | T. Rowe Price Investment Management, Inc. | 8,226,002 9.100% | -671,649 (-7.55%) | Filing History |
| 2024-11-13 7:15 pm Unchanged | 2024-11-01 | 13G | AMPLITUDE INC AMPL | Liu Curtis | 8,094,719 7.900% | 0 (Unchanged) | Filing History |
| 2024-11-13 4:30 pm Sale | 2024-11-01 | 13G | AMPLITUDE INC AMPL | Skates Spenser | 8,199,809 8.000% | -25,457 (-0.31%) | Filing History |
| 2024-11-12 4:17 pm Sale | 2024-09-30 | 13G | AMPLITUDE INC AMPL | Battery Ventures XI-A, L.P. | 7,594,259 8.400% | -1,501,770 (-16.51%) | Filing History |
| 2024-11-12 09:50 am Purchase | 2024-11-08 | 13G | AMPLITUDE INC AMPL | FMR LLC | 8,056,003 8.910% | 3,868,311 (+92.37%) | Filing History |
| 2024-06-10 1:45 pm Purchase | 2024-05-31 | 13G | AMPLITUDE INC AMPL | T. Rowe Price Investment Management, Inc. | 8,897,651 10.100% | 2,026,998 (+29.50%) | Filing History |
| 2024-02-16 6:07 pm Sale | 2023-12-31 | 13G | AMPLITUDE INC AMPL | SOMA EQUITY PARTNERS LP | 0 0.000% | -3,500,000 (Position Closed) | Filing History |