Insider Trading & Ownership of Robert P. Ragusa

Location: Menlo Park, CA
Summary: The estimated net worth of Robert P. Ragusa is at least $30,999,861 dollars as of 09 Mar 2026. Robert P. Ragusa is the Chief Executive Officer, Director of GRAIL, Inc. and owns shares of GRAIL, Inc. (GRAL) stock worth about $30M. Robert P. Ragusa is the Director of Twist Bioscience Corp and owns shares of Twist Bioscience Corp (TWST) stock worth about $995.3K.
Signature: /s/Donald Lang, as Attorney-in-Fact for Robert Ragusa
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Ownership of Robert P. Ragusa

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
GRAL	GRAIL, Inc.	Chief Executive Officer, Director	$30,004,585	-$9,789,428	-25%	05 Mar 2026
TWST	Twist Bioscience Corp	Director	$995,276			05 Feb 2026

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.