Chief Technology Officer Stefan Constantin Ionel of Amprius Technologies Inc. sold 29,681 common shares on August 21, 2026, for $306,931 under a non-discretionary sell-to-cover arrangement tied to tax withholding for vested restricted stock units.
The disposal occurred at prices between $10.10 and $10.48 per share, with Amprius trading at $10.18 immediately afterward. The stock has fallen 58% from its 52-week high of $24.23, reflecting elevated volatility with a beta of 2.35.
Amprius reported second-quarter revenue of $34.02 million, topping Wall Street’s $29.29 million estimate and rising 19% sequentially, while adjusted earnings per share matched forecasts at negative $0.02. The company raised its full-year revenue guidance to at least $140 million from $130 million and its gross margin target to at least 28%. Amprius ended the quarter with $74.5 million in cash and no debt.
Separately, the company extended the lease for its Fremont, California facility through June 2034, with annual rent escalations and options for further extensions.
