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ARCH Venture Partners IX, LLC - Insider Trading & Ownership

Location
8755 W. Higgins Road, Suite 1025, Chicago, IL
Summary
The estimated value of insider holdings of ARCH Venture Partners IX, LLC is at least $78.8M dollars as of July 29, 2025. ARCH Venture Partners IX, LLC is the 10%+ Owner of Beam Therapeutics Inc. and owns shares of Beam Therapeutics Inc. (BEAM) stock worth about $77.9M. ARCH Venture Partners IX, LLC is the 10%+ Owner of Lyell Immunopharma, Inc. and owns shares of Lyell Immunopharma, Inc. (LYEL) stock worth about $728K. ARCH Venture Partners IX, LLC is the 10%+ Owner of Vir Biotechnology, Inc. and owns shares of Vir Biotechnology, Inc. (VIR) stock worth about $140K.
Signature
ARCH Venture Partners IX, LLC, By: /s/ Mark McDonnell, as Attorney-in-Fact for Robert Nelsen, Managing Director
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Ownership of ARCH Venture Partners IX, LLC

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
BEAM Beam Therapeutics Inc. 10%+ Owner $77.9M Jun 30, 2021
LYEL Lyell Immunopharma, Inc. 10%+ Owner $728K Jul 25, 2025
VIR Vir Biotechnology, Inc. 10%+ Owner $140K Sep 2, 2022

Insider Transactions Reported by ARCH Venture Partners IX, 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.