Amprius Technologies, Inc.

Amprius Technologies, Inc. (NYSE: AMPX) is an advanced battery technology company that completed its SPAC merger in 2022 through a combination with Kensington Capital Acquisition Corp. IV, sponsored by Kensington Capital Partners. The company develops high-energy-density silicon anode lithium-ion batteries targeting aerospace, defense, and other performance-critical applications. Now fully operating as a public company in the clean energy and advanced materials sector, Amprius filed a Form 8-K with the SEC on May 7, 2026, under accession number 0001899287-26-000047. For complete filing history, sponsor profiles, and deal analytics on AMPX and hundreds of other SPAC transactions, sign up for full data access at SpacDesk.