Insider Trading & Ownership of Stephen F. Mahoney

Location: Hamilton, Bermuda
Summary: The estimated net worth of Stephen F. Mahoney is at least $2,928,587 dollars as of 09 Mar 2026. Stephen F. Mahoney is the President and CEO, Director of Viridian Therapeutics, Inc.\DE and owns shares of Viridian Therapeutics, Inc.\DE (VRDN) stock worth about $2.72M. Stephen F. Mahoney is the Title: Chief Financial and Operating Officer of Magenta Therapeutics, Inc. and owns shares of Dianthus Therapeutics, Inc. /DE/ (DNTH) stock worth about $207.2K.
Signature: /s/Jennifer Tousignant, Attorney-in-fact
All Insider Reports: All Insider Reports

Notify me when Stephen F. Mahoney files a new Insider Trading report.

Ownership of Stephen F. Mahoney

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
VRDN	Viridian Therapeutics, Inc.\DE	President and CEO, Director	$2,721,419			03 Mar 2026
DNTH	Magenta Therapeutics, Inc.	Title: Chief Financial and Operating Officer	$207,168			30 Nov 2022

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.