Info
Insider Ownership

Insider Trading & Ownership of Donald William Nicholson

Location: Cambridge, MA
Summary: The estimated net worth of Donald William Nicholson is at least $275K dollars as of 13 Jun 2025. Donald William Nicholson is the Director of Generation Bio Co. and owns shares of Generation Bio Co. (GBIO) stock worth about $275K.
Signature: By: /s/ Rahul Khara, as Attorney-in-Fact
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Ownership of Donald William Nicholson

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
GBIO	Generation Bio Co.	Director	$275K			04 Jun 2025
IRON	Disc Medicine, Inc.	Director				11 Jun 2025
KYMR	Kymera Therapeutics, Inc.	Director				15 Jun 2022

Insider Transactions Reported by Donald William Nicholson:

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.