Kimberly E. Ritrievi - Insider Trading & Ownership

Location: Tetra Tech, Inc, 3475 E. Foothill Blvd., Pasadena, CA
Summary: The estimated net worth of Kimberly E. Ritrievi is at least $4.48M dollars as of December 3, 2025. Kimberly E. Ritrievi is the Director of TETRA TECH INC and owns shares of TETRA TECH INC (TTEK) stock worth about $4.07M. Kimberly E. Ritrievi is the Director of Mativ Holdings, Inc. and owns shares of Mativ Holdings, Inc. (MATV) stock worth about $414K.
Signature: /s/ Preston Hopson, Attorney-in-fact for Kimberly E. Ritrievi
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Ownership of Kimberly E. Ritrievi

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TTEK	TETRA TECH INC	Director	$4.07M			Nov 19, 2025
MATV	Mativ Holdings, Inc.	Director	$414K	+$58.8K	+16.6%	Jul 1, 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.