Constantin Ionel Stefan - Mar 14, 2025 Form 4 Insider Report for Amprius Technologies, Inc. (AMPX)

Role: Chief Technology Officer
Signature: /s/ Sandra Wallach, attorney-in-fact on behalf of Constantin Ionel Stefan
Stock symbol: AMPX
Transactions as of: Mar 14, 2025
Transactions value $: $3,402
Form type: 4
Date filed: 3/18/2025, 05:07 PM
Previous filing: Feb 24, 2025
Next filing: Mar 21, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMPX	Common stock	Options Exercise	$3.4K	+3.47K	+0.82%	$0.98	425K	Mar 14, 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMPX	Stock Option (right to buy)	Options Exercise	$0	-3.47K	-100%	$0.00	0	Mar 14, 2025	Common stock	3.47K	$0.98	Direct

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

Explanation of Responses:

Id	Content
F1	Includes 280,927 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.