Amprius Technologies Inc. (NYSE: AMPX) chief executive Thomas M. Stepien sold 31,529 shares of common stock for a combined $323,553 in late August, regulatory filings show.
The sales were executed in two tranches: 23,529 shares on Aug. 21 at an average price of $10.341 per share for $243,313, and 8,000 shares on Aug. 24 at $10.03 per share for $80,240. Stepien stated the transactions were arranged to fund tax withholding obligations tied to the vesting of restricted stock units. Additionally, 15,346 shares were transferred as bona fide gifts on Aug. 25, while 346 shares moved to the Rogers Stepien Family Revocable Trust, where Stepien and his spouse serve as co-trustees.
Following the disposals, Stepien holds 578,750 shares directly and 37,260 shares indirectly through the trust. Amprius Technologies’ stock closed at $10.18 on Friday, up 29% year-to-date despite recent volatility.
The company reported second-quarter revenue of $34.02 million, exceeding Wall Street expectations of $29.29 million and representing a 19% sequential increase and more than a twofold rise year-over-year. Adjusted earnings per share matched forecasts at negative $0.02. Amprius raised its full-year revenue guidance to at least $140 million, up from the prior target of $130 million, and increased its gross margin outlook to at least 28%, citing improved contract manufacturing cost visibility.
Amprius ended the quarter with $74.5 million in cash and no debt. The company also extended its industrial lease in Fremont, California, through June 2034, with options for two additional five-year renewals and annual rent escalations.













