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Amprius Technologies, Inc. - Investor Relations & Filings

Listed IPO Sep 2022
Ticker · AMPX ISIN · US03214Q1085 US Manufacturing
Filings indexed 442 across all filing types
Latest filing 2025-11-06 Earnings Release
Country US United States of America
Listing US AMPX · 2 venues

About Amprius Technologies, Inc.

https://amprius.com/

Amprius Technologies, Inc. develops and manufactures advanced lithium-ion batteries featuring a proprietary silicon anode technology. This technology enables the production of cells with industry-leading energy and power density, which provides significant performance improvements over conventional graphite-based batteries. The company's batteries are engineered to deliver longer range, higher payloads, and faster charging capabilities. Key markets for these high-performance cells include demanding applications in electric mobility, particularly in the aviation sector (such as drones, Unmanned Aerial Systems, and electric aircraft), as well as electric vehicles and advanced electronics.

Recent filings

Filing Released Lang Actions
8-K
Earnings Release Classification · 95% confidence The document is a Form 8-K filed with the SEC, dated November 6, 2025, reporting the company's business and financial results for the third fiscal quarter ended September 30, 2025. It includes a Letter to Shareholders as an exhibit, which is typical for earnings announcements. The document explicitly states it is a Current Report and references Item 2.02 Results of Operations and Financial Condition, which is commonly used for earnings releases. The document length is 4168 characters, which is relatively short and consistent with an earnings release rather than a full interim report. There is no detailed financial statement or comprehensive analysis included in the text, only a summary and a letter. Therefore, this filing is best classified as an Earnings Release (ER). Q3 2025
2025-11-06 English
Major Shareholding Notification 2025
Major Shareholding Notification
2025-10-30 English
Major Shareholding Notification 2025
Major Shareholding Notification
2025-10-18 English
FORM 4
Director's Dealing
2025-10-08 English
FORM 3
Director's Dealing
2025-10-08 English
8-K
Board/Management Information Classification · 100% confidence The document is a Form 8-K filed with the SEC, dated October 6, 2025, reporting the appointment of a new Chief Financial Officer and the retirement of the previous CFO. It details the terms of employment, compensation, and related agreements for the new CFO. The content focuses on management changes and related disclosures. There are no financial statements or comprehensive financial data presented, nor is this an announcement of a report publication. The document fits the category of Board/Management Information (MANG) as it announces changes in senior management.
2025-10-06 English

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