Amprius Technologies, Inc. — Director's Dealing 2025

Nov 26, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amprius Technologies, Inc. (AMPX)
CIK: 0001899287
Period of Report: 2025-11-21

Reporting Person: Sun Kang (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-21	Common stock	S	68655	$10.0813	Disposed	1403651	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock	274275	Indirect

Footnotes

F1: This transaction was effected pursuant to non-discretionary, sell-to-cover arrangements mandated by the issuer to fund tax withholding obligations in connection with the vesting of restricted stock units.

F2: The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $10.05 to $10.13, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3: Includes 1,285,576 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit.

F4: These securities are held directly by the KANG & CECILLIA SUN FAMILY REVOCABLE TRUST, for which the reporting person and his spouse are co-trustees.