Amprius Technologies, Inc. SEC filings AMPX

Amprius Technologies, Inc. has 501 filings in SEC EDGAR's recent list, going back to Dec 15, 2021. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 28, 2026 (material agreement). The company's fiscal year ends on December 31.

Form Description Filed Period
ARS Annual report to shareholders Apr 29, 2026 Dec 31, 2025
10-K Annual report Mar 6, 2026 Dec 31, 2025
ARS Annual report to shareholders Apr 25, 2025 Dec 31, 2024
10-K Annual report Mar 20, 2025 Dec 31, 2024
ARS Annual report to shareholders Apr 25, 2024 Dec 31, 2023
10-K Annual report Mar 28, 2024 Dec 31, 2023
ARS Annual report to shareholders Apr 28, 2023 Dec 31, 2022
10-K Annual report Mar 30, 2023 Dec 31, 2022

Showing 8 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
Listed as
AMPX (NYSE), AMPX-WT (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Fremont, CA
SEC filer status
, Emerging growth company
SEC CIK
1899287
Former names
Kensington Capital Acquisition Corp. IV (until Sep 14, 2022)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.