Amprius Technologies, Inc. (AMPX) Form 8-K Material Events
Amprius Technologies, Inc. (AMPX) is a publicly traded company on the NYSE, categorized under SIC 3690 (Miscellaneous Electrical Machinery, Equipment & Supplies). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: AMPX
CIK: 1899287
Exchange: NYSE
SIC 3690: Miscellaneous Electrical Machinery, Equipment & Supplies
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
BDO USA, P.C.
Auditor SinceSince 12/31/2023 12:00:00 AM
Lead Engagement PartnerNikolas Reigleman
Audit LocationHouston, Texas, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| S-3ASR | 2026-10-09 | — | S-3ASR | 0001104659-26-115105 | View SEC Doc Filr Page |
| 8-K | 2026-09-28 | 2026-09-23 | 8-K | 0001899287-26-000065 | View SEC Doc Filr Page |
| 4 | 2026-08-25 | 2026-08-21 | FORM 4 | 0001476220-26-000034 | View SEC Doc Filr Page |
| 144 | 2026-08-25 | — | 144 Filing | 0001476220-26-000033 | View SEC Doc Filr Page |
| 4 | 2026-08-25 | 2026-08-21 | FORM 4 | 0001940928-26-000024 | View SEC Doc Filr Page |
| 144 | 2026-08-25 | — | 144 Filing | 0001940928-26-000023 | View SEC Doc Filr Page |
| 4 | 2026-08-25 | 2026-08-21 | FORM 4 | 0002067233-26-000019 | View SEC Doc Filr Page |
| 144 | 2026-08-25 | — | 144 Filing | 0002067233-26-000018 | View SEC Doc Filr Page |
| 144 | 2026-08-24 | — | 144 Filing | 0001950047-26-008579 | View SEC Doc Filr Page |
| 8-K | 2026-08-13 | 2026-08-07 | 8-K | 0001899287-26-000062 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-10 | — | SCHEDULE 13G/A Filing | 0001595888-26-000085 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0001899287-26-000059 | View SEC Doc Filr Page |
| 8-K | 2026-08-04 | 2026-08-04 | 8-K | 0001899287-26-000056 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-27 | — | SCHEDULE 13G/A Filing | 0002012383-26-002178 | View SEC Doc Filr Page |
| 8-K | 2026-06-17 | 2026-06-11 | 8-K | 0001899287-26-000053 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-12 | FORM 4 | 0001230569-26-000005 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-12 | FORM 4 | 0001517394-26-000003 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-12 | FORM 4 | 0001045434-26-000009 | View SEC Doc Filr Page |
| 4 | 2026-06-16 | 2026-06-12 | FORM 4 | 0001296381-26-000005 | View SEC Doc Filr Page |
| 4 | 2026-06-11 | 2026-06-09 | FORM 4 | 0001045434-26-000007 | View SEC Doc Filr Page |
| 144 | 2026-06-08 | — | 144 Filing | 0001949846-26-000360 | View SEC Doc Filr Page |
| 4 | 2026-06-05 | 2026-06-04 | FORM 4 | 0002067233-26-000015 | View SEC Doc Filr Page |
| 144 | 2026-06-04 | — | 144 Filing | 0001950047-26-005630 | View SEC Doc Filr Page |
| 4 | 2026-05-28 | 2026-05-27 | FORM 4 | 0001476220-26-000029 | View SEC Doc Filr Page |
| 144 | 2026-05-28 | — | 144 Filing | 0001476220-26-000028 | View SEC Doc Filr Page |