Insider Trading & Ownership of ARCH Venture Partners X, LLC

Location: Chicago, IL
Summary: The estimated value of insider holdings of ARCH Venture Partners X, LLC is at least $132,519,368 dollars as of 29 Oct 2025. ARCH Venture Partners X, LLC is the 10%+ Owner of Neumora Therapeutics, Inc. and owns shares of Neumora Therapeutics, Inc. (NMRA) stock worth about $66.38M. ARCH Venture Partners X, LLC is the 10%+ Owner of Verve Therapeutics, Inc. and owns shares of Verve Therapeutics, Inc. stock worth about $25.09M. ARCH Venture Partners X, LLC is the 10%+ Owner of Prime Medicine, Inc. and owns shares of Prime Medicine, Inc. (PRME) stock worth about $23.48M. ARCH Venture Partners X, LLC is the 10%+ Owner of Erasca, Inc. and owns shares of Erasca, Inc. (ERAS) stock worth about $17.57M.
Signature: ARCH Venture Fund X, L.P. By: ARCH Venture Partners X, L.P., its General Partner By: ARCH Venture Partners X, LLC, its General Partner By: /s/ Mark McDonnell, as Attorney-in-Fact
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Ownership of ARCH Venture Partners X, LLC

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
NMRA	Neumora Therapeutics, Inc.	10%+ Owner	$66,380,119	+$4,999,977	+8.1%	27 Oct 2025
VERV	Verve Therapeutics, Inc.	10%+ Owner	$25,088,090			21 Jun 2021
PRME	Prime Medicine, Inc.	10%+ Owner	$23,478,355			01 Aug 2025
ERAS	Erasca, Inc.	10%+ Owner	$17,572,804			20 Jul 2021
MAZE	Maze Therapeutics, Inc.	10%+ Owner				30 Jan 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.