Insider Trading & Ownership of Vida Ventures GP III, L.L.C.

Location: 455 Market Street, Suite 1420, San Francisco, CA
Summary: The estimated value of insider holdings of Vida Ventures GP III, L.L.C. is at least $18.8M dollars as of September 16, 2025. Vida Ventures GP III, L.L.C. is the 10%+ Owner of Vigil Neuroscience, Inc. and owns shares of Vigil Neuroscience, Inc. (VIGL) stock worth about $18.8M.
Signature: VIDA VENTURES GP III, L.L.C., By: /s/ Jean-Philippe Kouakou-Zebouah, its Managing Member
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Ownership of Vida Ventures GP III, L.L.C.

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
VIGL	Vigil Neuroscience, Inc.	10%+ Owner	$18.8M			Jan 11, 2022
LBRX	LB PHARMACEUTICALS INC	10%+ Owner				Sep 12, 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.