ARCH Venture Partners XII, LLC - Insider Trading & Ownership

Location
8755 W Higgins Road, Suite 1025, Chicago, IL
Summary
The estimated value of insider holdings of ARCH Venture Partners XII, LLC is at least $127M dollars as of November 14, 2025. ARCH Venture Partners XII, LLC is the 10%+ Owner of Neumora Therapeutics, Inc. and owns shares of Neumora Therapeutics, Inc. (NMRA) stock worth about $66.4M. ARCH Venture Partners XII, LLC is the 10%+ Owner of Rapport Therapeutics, Inc. and owns shares of Rapport Therapeutics, Inc. (RAPP) stock worth about $37.2M. ARCH Venture Partners XII, LLC is the 10%+ Owner of Prime Medicine, Inc. and owns shares of Prime Medicine, Inc. (PRME) stock worth about $23.5M.
Signature
ARCH Venture Fund XII, L.P. By: ARCH Venture Partners XII, L.P., its General Partner By: ARCH Venture Partners XII, LLC, its General Partner By: /s/ Mark McDonnell, as Attorney-in-Fact
All Insider Reports
All Insider Reports

Ownership of ARCH Venture Partners XII, LLC

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
NMRA Neumora Therapeutics, Inc. 10%+ Owner $66.4M +$5M +8.15% Oct 27, 2025
RAPP Rapport Therapeutics, Inc. 10%+ Owner $37.2M Jun 10, 2024
PRME Prime Medicine, Inc. 10%+ Owner $23.5M Aug 1, 2025
MTSR Metsera, Inc. Director, 10%+ Owner $0 Nov 13, 2025

Insider Transactions Reported by ARCH Venture Partners XII, LLC:

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.