Insider Trading & Ownership of Chenming Hu

Location: Alamo, CA
Summary: The estimated net worth of Chenming Hu is at least $5.08M dollars as of September 4, 2025. Chenming Hu is the Director of ACM Research, Inc. and owns shares of ACM Research, Inc. (ACMR) stock worth about $3M. Chenming Hu is the Director of AMBARELLA INC and owns shares of AMBARELLA INC (AMBA) stock worth about $2.08M.
Signature: By: /s/ Michael Morehead, Attorney-in-Fact For: Chenming Hu
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Ownership of Chenming Hu

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
ACMR	ACM Research, Inc.	Director	$3M	-$4.9M	-62%	Mar 17, 2025
AMBA	AMBARELLA INC	Director	$2.08M			Sep 2, 2025

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.