Insider Trading & Ownership of William D. Baird III

Location: Cambridge, MA
Summary: The estimated net worth of William D. Baird III is at least $724,266 dollars as of 15 May 2025. William D. Baird III is the President and CEO, Director of 2seventy bio, Inc. and owns shares of 2seventy bio, Inc. stock worth about $691.7K. William D. Baird III is the Chief Financial Officer of bluebird bio, Inc. and owns shares of bluebird bio, Inc. stock worth about $32.6K.
Signature: /s/ William Baird
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Ownership of William D. Baird III

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
TSVT	2seventy bio, Inc.	President and CEO, Director	$691,680	-$25,180	-3.5%	13 May 2025
BLUE	bluebird bio, Inc.	Chief Financial Officer	$32,586			11 Nov 2021
AXLA	Axcella Health Inc.	Director				19 May 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.