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Insider Trading

Matthew Keith Custer - Insider Trading & Ownership

Location: 73 4460 Queen Kaahumanu Hwy #102, Kailua Kona, HI
Summary: The estimated net worth of Matthew Keith Custer is at least $2.1K dollars as of July 31, 2025. Matthew Keith Custer is the President and CEO, Director of CYANOTECH CORP and owns shares of CYANOTECH CORP (CYAN) stock worth about $2.1K.
Signature: /s/ Amy B. Nordin by POA
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Ownership of Matthew Keith Custer

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
CYAN	CYANOTECH CORP	President and CEO, Director	$2.1K			Jul 29, 2025

Insider Transactions Reported by Matthew Keith Custer:

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.