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 |
|---|---|---|---|
| 424B3 | - | 2023-01-12 | - |
| 424B3 | - | 2023-01-12 | - |
| EFFECT | - | 2022-12-27 | - |
| 424B3 | - | 2022-12-27 | - |
| S-1/A | - | 2022-12-27 | - |
| Company correspondence | CORRESP | 2022-12-22 | - |
| Insider trade | 4 | 2022-12-15 | 2022-12-14 |
| 424B3 | - | 2022-12-05 | - |
| EFFECT | - | 2022-12-02 | - |
| Company correspondence | CORRESP | 2022-12-02 | - |
| Company correspondence | CORRESP | 2022-11-29 | - |
| Company correspondence | CORRESP | 2022-11-29 | - |
| Company correspondence | CORRESP | 2022-11-16 | - |
| S-1/A | - | 2022-11-16 | - |
| Company correspondence | CORRESP | 2022-11-16 | - |
| S-1/A | - | 2022-11-16 | - |
| Employee stock plan | S-8 | 2022-11-16 | - |
| 424B3 | - | 2022-11-16 | - |
| Major company event (amended) | 8-K/A | 2022-11-16 | 2022-09-14 |
| Quarterly report | 10-Q | 2022-11-14 | 2022-09-30 |
| 424B3 | - | 2022-11-14 | - |
| Major company event | 8-K | 2022-11-10 | 2022-11-10 |
| SEC correspondence | UPLOAD | 2022-11-07 | - |
| S-1/A | - | 2022-10-25 | - |
| S-1/A | - | 2022-10-25 | - |
| Company correspondence | CORRESP | 2022-10-24 | - |
| Company correspondence | CORRESP | 2022-10-24 | - |
| 424B3 | - | 2022-10-20 | - |
| Major company event | 8-K | 2022-10-20 | 2022-10-19 |
| SEC correspondence | UPLOAD | 2022-10-18 | - |
| SEC correspondence | UPLOAD | 2022-10-18 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-10-07 | - |
| D | - | 2022-10-05 | - |
| IPO registration | S-1 | 2022-09-30 | - |
| IPO registration | S-1 | 2022-09-30 | - |
| Major company event | 8-K | 2022-09-28 | 2022-09-27 |
| Activist ownership stake (update) | SC 13D/A | 2022-09-23 | - |
| Activist ownership stake | SC 13D | 2022-09-19 | - |
| Major company event | 8-K | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| Insider trade | 4 | 2022-09-16 | 2022-09-14 |
| New insider ownership | 3 | 2022-09-16 | 2022-09-14 |
| New insider ownership | 3 | 2022-09-16 | 2022-09-14 |