Form 4 Filing for Amprius Technologies, Inc.

This filing reports a transaction by Livingston Satterthwaite, a director at Amprius Technologies, Inc. On June 12, 2026, 10,423 shares of common stock were acquired with a transaction price of $0.00. Following this transaction, the total number of shares owned is 346,506. The filing also includes a Power of Attorney document, appointing representatives to act on behalf of the undersigned for SEC filings related to Section 13 or 16 of the Securities Exchange Act of 1934 and Rule 144 of the Securities Act of 1933. These representatives are authorized to prepare, execute, and file necessary documents, manage EDGAR account access, and obtain relevant information from third parties. The Power of Attorney remains in effect until the undersigned is no longer required to make such filings, unless revoked earlier.