Form 4: Amprius CFO Sells Shares for Tax Obligations

Amprius Technologies CFO Sandra Wallach sold 28,390 shares of common stock at an average price of $6.8162 to cover tax withholding obligations related to RSU vesting.

Summary

• Sandra Wallach, Chief Financial Officer of Amprius Technologies, Inc., reported a transaction involving the sale of common stock.
• On August 21, 2025, Ms. Wallach sold 28,390 shares of Amprius Technologies common stock.
• The shares were sold at an average execution price of $6.8162, with individual transactions ranging from $6.78 to $6.91.
• This sale was a non-discretionary 'sell-to-cover' arrangement, mandated by the issuer to fund tax withholding obligations in connection with the vesting of restricted stock units.
• Following this transaction, Ms. Wallach beneficially owns 1,005,275 shares of common stock, which includes 803,914 restricted stock units.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary sale of shares to cover tax obligations associated with restricted stock unit vesting. This is a common practice for executive compensation and does not reflect a change in management's outlook on the company, thus having a neutral impact.

Positives

• The sale was non-discretionary and specifically for tax withholding purposes, indicating it was not a voluntary sale based on a negative outlook for the company.

Negatives

• A reduction in direct share ownership by a key executive, even if for tax purposes, could be misinterpreted by some investors.

Risks

• Potential for misinterpretation by investors who might view the executive's share sale as a lack of confidence, despite the stated reason of tax withholding.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: The transaction represents a minor reduction in direct insider ownership, but its non-discretionary nature for tax purposes mitigates concerns about management confidence. It provides transparency into executive compensation practices.

Next Steps

• The reporting person undertakes to provide full information regarding the number of shares sold at each separate price within the reported range upon request to the issuer, any security holder, or the SEC staff.

Key Dates

Recommendation

This Form 4 reports a routine, non-discretionary 'sell-to-cover' transaction by the CFO to satisfy tax obligations upon restricted stock unit vesting. Such transactions are common and do not typically signal a change in the company's fundamentals or management's confidence. Therefore, it provides no new information that would warrant a change in investment recommendation based solely on this filing. Investors should continue to hold based on broader company performance and market conditions.

Keywords

Amprius Technologies, AMPX, Sandra Wallach, CFO, Insider Transaction, Form 4, Stock Sale, Restricted Stock Units, Tax Withholding