AllianceBernstein L.P. 13D and 13G filings for Amplitude, Inc.:
- 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.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-18 1:22 pm Sale | 2026-03-31 | 13G | AMPLITUDE INC AMPL | AllianceBernstein L.P. | 317,618 0.300% | -5,707,772 (-94.73%) | Filing |
| 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 |