Ricardo C. Rodriguez - 04 Mar 2026 Form 4/A - Amendment Insider Report for Amprius Technologies, Inc. (AMPX)

Role: Chief Financial Officer
Signature: /s/ Ricardo C. Rodriguez
Issuer symbol: AMPX
Transactions as of: 04 Mar 2026
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 13 Mar 2026, 18:09:30 UTC
Date Of Original Report: 06 Mar 2026
Previous filing: 08 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
RODRIGUEZ RICARDO C.	Chief Financial Officer	1180 PAGE AVE., FREMONT	/s/ Ricardo C. Rodriguez	13 Mar 2026	0001920996

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMPX	Common stock	Award		+150,000	+75%	$0.000000^*	350,000	04 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This Form 4/A is filed solely to correct the vesting schedule of the restricted stock units of the reporting person reported in the original filing. 3/16th of shares subject to award will vest on November 20, 2026 and quarterly thereafter on each February 20, May 20, August 20 and November 20, subject to the reporting person's continued service on each such date, until the award is fully vested on February 20, 2030.

Content

This Form 4/A is filed solely to correct the vesting schedule of the restricted stock units of the reporting person reported in the original filing. 3/16th of shares subject to award will vest on November 20, 2026 and quarterly thereafter on each February 20, May 20, August 20 and November 20, subject to the reporting person's continued service on each such date, until the award is fully vested on February 20, 2030.