Amprius Technologies, Inc.

Amprius Technologies, Inc. (NYSE: AMPX) is a battery technology company that completed its business combination with Kensington Capital Acquisition Corp. IV, a blank-check vehicle sponsored by Kensington Capital Partners, in September 2022. The SPAC priced its IPO in 2021 and targeted the clean energy and advanced materials sector. Amprius develops high-energy-density silicon anode lithium-ion batteries for aerospace, defense, and high-performance mobility applications, and has remained publicly traded under the AMPX ticker since the merger closed. The company filed an 8-K with the SEC on June 18, 2025, under accession number 0001899287-25-000041. For full filing history, deal analytics, and real-time SPAC data on Amprius Technologies, sign up at SpacDesk.