Insider Trading & Ownership of Emily M. Liggett

Summary: The estimated net worth of Emily M. Liggett is at least $1.93M dollars as of September 9, 2025. Emily M. Liggett is the Director of Ultra Clean Holdings, Inc. and owns shares of Ultra Clean Holdings, Inc. (UCTT) stock worth about $840K. Emily M. Liggett is the Director of MATERION Corp and owns shares of MATERION Corp (MTRN) stock worth about $675K. Emily M. Liggett is the Director of KAISER ALUMINUM CORP and owns shares of KAISER ALUMINUM CORP (KALU) stock worth about $410K.
Signature: /s/Michelle R. Mekinda, as Attorney-In-Fact
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Ownership of Emily M. Liggett

Symbol	Company	Relationship	Holdings Value	Report Period
UCTT	Ultra Clean Holdings, Inc.	Director	$840K	May 21, 2025
MTRN	MATERION Corp	Director	$675K	Sep 5, 2025
KALU	KAISER ALUMINUM CORP	Director	$410K	Jun 3, 2021

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.