Info
Insider Ownership

Insider Trading & Ownership of Constantin Ionel Stefan

Location: Fremont, CA
Summary: The estimated net worth of Constantin Ionel Stefan is at least $7,867,746 dollars as of 15 Dec 2025. Constantin Ionel Stefan is the Chief Technology Officer of Amprius Technologies, Inc. and owns shares of Amprius Technologies, Inc. (AMPX) stock worth about $7.87M.
Signature: /s/ Ricardo C. Rodriguez, attorney-in-fact on behalf of Constantin Ionel Stefan
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Ownership of Constantin Ionel Stefan

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
AMPX, AMPX-WT	Amprius Technologies, Inc.	Chief Technology Officer	$7,867,746	-$2,544,184	-24%	11 Dec 2025

Insider Transactions Reported by Constantin Ionel Stefan:

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

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