Company facts
- Headquarters
- Fremont, California
- Most recent report
- 8-K, filed Sep 28, 2026
- Incorporated
- Delaware
- Filings on record
- 500 filings
- On EDGAR
- CIK 1899287
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8 of 18
News 8 of 65
- 8-K Significant contract Sep 28, 2026
- 8-K Significant contract Aug 13, 2026
- 8-K Quarterly results Aug 4, 2026
- 8-K Shareholder vote results Jun 17, 2026
- 8-K/A Current report on a material event, amended May 19, 2026
- 8-K Significant contract May 7, 2026
- 8-K Quarterly results May 6, 2026
- 8-K Current report on a material event Apr 21, 2026
Prospectuses and Registrations 8 of 89
- S-8 Registration statement for an employee plan Mar 6, 2026
- S-8 Registration statement for an employee plan Mar 20, 2025
- S-8 Registration statement for an employee plan Oct 23, 2024
- 424B3 Prospectus supplement for an offering Jul 8, 2024
- S-4/A Registration statement for a merger or exchange, amended Jul 3, 2024
- S-4 Registration statement for a merger or exchange Jun 24, 2024
- 424B3 Prospectus supplement for an offering May 13, 2024
- 424B3 Prospectus supplement for an offering May 13, 2024
Proxies 8
- DEFA14A Extra proxy material Apr 29, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 29, 2026
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material Apr 25, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2024
- DEFA14A Extra proxy material Apr 27, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 27, 2023
Ownership 8 of 246
- 4 Insider reported a trade Aug 25, 2026
- 144 Notice of a proposed sale of restricted stock Aug 25, 2026
- 4 Insider reported a trade Aug 25, 2026
- 144 Notice of a proposed sale of restricted stock Aug 25, 2026
- 4 Insider reported a trade Aug 25, 2026
- 144 Notice of a proposed sale of restricted stock Aug 25, 2026
- 144 Notice of a proposed sale of restricted stock Aug 24, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 10, 2026
Other 8 of 74
Everything here comes from Amprius Technologies, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.