AMPX
Amprius Technologies, Inc. has filed 471 documents with the SEC between 2021 and 2026. The most frequent type is insider trade (111 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2025-03-21 | 2025-03-19 |
| Employee stock plan | S-8 | 2025-03-20 | - |
| Annual report | 10-K | 2025-03-20 | 2024-12-31 |
| Major company event | 8-K | 2025-03-20 | 2025-03-20 |
| Insider trade | 4 | 2025-03-18 | 2025-03-14 |
| Insider trade | 4 | 2025-03-12 | 2025-03-10 |
| Major company event | 8-K | 2025-03-04 | 2025-03-04 |
| Insider trade | 4 | 2025-02-24 | 2025-02-21 |
| Insider sale notice | 144 | 2025-02-24 | - |
| Insider trade | 4 | 2025-02-24 | 2025-02-21 |
| Insider sale notice | 144 | 2025-02-24 | - |
| Insider trade | 4 | 2025-02-24 | 2025-02-21 |
| Insider sale notice | 144 | 2025-02-24 | - |
| Insider trade | 4 | 2025-02-24 | 2025-02-21 |
| Insider sale notice | 144 | 2025-02-24 | - |
| 424B7 | - | 2024-12-09 | - |
| Insider trade | 4 | 2024-11-22 | 2024-11-20 |
| Insider trade | 4 | 2024-11-22 | 2024-11-21 |
| Insider trade | 4 | 2024-11-22 | 2024-11-21 |
| Insider trade | 4 | 2024-11-22 | 2024-11-21 |
| Insider sale notice | 144 | 2024-11-21 | - |
| Insider sale notice | 144 | 2024-11-21 | - |
| Insider sale notice | 144 | 2024-11-21 | - |
| Insider sale notice | 144 | 2024-11-21 | - |
| Insider sale notice | 144 | 2024-11-21 | - |
| Insider sale notice | 144 | 2024-11-20 | - |
| Insider sale notice | 144 | 2024-11-12 | - |
| Insider sale notice | 144 | 2024-11-08 | - |
| Insider sale notice | 144 | 2024-11-07 | - |
| Quarterly report | 10-Q | 2024-11-07 | 2024-09-30 |
| Major company event | 8-K | 2024-11-07 | 2024-11-07 |
| Major company event | 8-K | 2024-11-05 | 2024-11-01 |
| Major company event | 8-K | 2024-10-29 | 2024-10-29 |
| Activist ownership stake | SC 13D | 2024-10-28 | - |
| Passive ownership stake | SC 13G | 2024-10-28 | - |
| Insider trade | 4 | 2024-10-25 | 2024-10-23 |
| Insider trade | 4 | 2024-10-25 | 2024-10-23 |
| Insider trade | 4 | 2024-10-25 | 2024-10-23 |
| Insider trade | 4 | 2024-10-25 | 2024-10-23 |
| Insider trade | 4 | 2024-10-25 | 2024-10-23 |
| Activist ownership stake (update) | SC 13D/A | 2024-10-25 | - |
| Passive ownership stake | SC 13G | 2024-10-25 | - |
| Activist ownership stake | SC 13D | 2024-10-25 | - |
| Insider sale notice | 144 | 2024-10-25 | - |
| Major company event | 8-K | 2024-10-23 | 2024-10-23 |
| Employee stock plan | S-8 | 2024-10-23 | - |
| 424B7 | - | 2024-10-23 | - |
| Major company event | 8-K | 2024-09-20 | 2024-09-19 |
| Major company event | 8-K | 2024-09-12 | 2024-09-06 |
| Insider trade | 4 | 2024-09-05 | 2024-09-03 |