Insider Trading & Ownership of Jason O'Byrne

Location: San Francisco, CA
Summary: The estimated net worth of Jason O'Byrne is at least $1.25M dollars as of November 18, 2025. Jason O'Byrne is the EVP & Chief Financial Officer of Vir Biotechnology, Inc. and owns shares of Vir Biotechnology, Inc. (VIR) stock worth about $738K. Jason O'Byrne is the Chief Financial Officer of Caribou Biosciences, Inc. and owns shares of Caribou Biosciences, Inc. (CRBU) stock worth about $512K.
Signature: /s/ Vanina de Verneuil, Attorney-In-Fact
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Ownership of Jason O'Byrne

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
VIR	Vir Biotechnology, Inc.	EVP & Chief Financial Officer	$738K	-$37.8K	-4.87%	Nov 17, 2025
CRBU	Caribou Biosciences, Inc.	Chief Financial Officer	$512K			Feb 20, 2024

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.