Amprius Technologies, Inc.

Amprius Technologies, Inc. (NYSE: AMPX) is a silicon anode lithium-ion battery developer that completed its SPAC merger with Kensington Capital Acquisition Corp. IV, sponsored by Kensington Capital Partners, in September 2022. The company operates in the advanced energy storage sector, focusing on high-energy-density batteries targeting aerospace, defense, and electric aviation applications. As of its 8-K filing dated June 17, 2026, Amprius remains a publicly traded post-merger entity continuing to advance its silicon anode cell technology toward commercial scale. The company's SPAC debut brought it out of its founding base in Fremont, California onto the public markets. Sign up on SpacDesk for full filing history, sponsor data, and real-time deal analytics on AMPX and hundreds of other SPAC transactions.