Insider Trading & Ownership of ROBERT RAGUSA

Location: Menlo Park, CA
Summary: The estimated net worth of ROBERT RAGUSA is at least $68,112,515 dollars as of 05 Dec 2025. ROBERT RAGUSA is the Chief Executive Officer, Director of GRAIL, Inc. and owns shares of GRAIL, Inc. (GRAL) stock worth about $66,933,594. ROBERT RAGUSA is the Director of Twist Bioscience Corp and owns shares of Twist Bioscience Corp (TWST) stock worth about $1,178,921.
Signature: /s/Abram Barth, as Attorney-in-Fact for Robert Ragusa
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Ownership of ROBERT RAGUSA

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
GRAL	GRAIL, Inc.	Chief Executive Officer, Director	$66,933,594	-$8,015,978	-11%	03 Dec 2025
TWST	Twist Bioscience Corp	Director	$1,178,921			05 Feb 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.