VANGUARD GROUP INC 13D and 13G filings for Amprius Technologies, 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 |
| 2026-03-26 3:42 pm Sale | 2026-03-13 | 13G | AMPRIUS TECHNOLOGIES INC AMPX | VANGUARD GROUP INC | 0 0.000% | -6,512,620 (Position Closed) | Filing |
| 2025-10-30 2:04 pm Purchase | 2025-09-30 | 13G | AMPRIUS TECHNOLOGIES INC AMPX | VANGUARD GROUP INC | 6,512,620 5.200% | 6,512,620 (New Position) | Filing |