Form 4: Amprius CEO Executes Sell-to-Cover Transaction

CEO Thomas M. Stepien sold 4,375 shares of Amprius Technologies to satisfy tax withholding obligations related to RSU vesting.

Summary

• CEO Thomas M. Stepien sold 4,375 shares of common stock on May 27, 2026.
• The sale was executed at an average price of $17.1935 per share.
• The transaction was a mandatory sell-to-cover arrangement to satisfy tax withholding obligations upon the vesting of restricted stock units (RSUs).
• Following the transaction, the CEO maintains beneficial ownership of 694,923 shares.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as the sale was a mandatory administrative action rather than a discretionary market move.

Positives

• The transaction was non-discretionary and mandated by the issuer, indicating it was not a voluntary divestment based on market sentiment.

Negatives

• Reduction in direct share ownership by the CEO, though the impact is minimal relative to total holdings.

Risks

• None identified; this is a routine administrative transaction related to tax compliance.

Future Outlook

No forward-looking guidance provided in this filing.

Industry Context

StockSavvy.ai notes that sell-to-cover transactions are standard corporate governance practices for executives receiving equity-based compensation and do not typically signal a change in management's outlook on the company's performance.

Comparison to Industry Standards

• The transaction aligns with standard executive compensation tax-withholding practices observed across the technology and manufacturing sectors.

Stakeholder Impact

• Minimal impact on shareholders as the transaction was a routine tax-related sell-to-cover.

Next Steps

• None mentioned.

Key Dates

Keywords

Amprius Technologies, AMPX, Insider Trading, Form 4, Executive Compensation, Sell-to-cover