ARCH Venture Partners XII, LLC bought $5.0M of Neumora Therapeutics (NMRA)
Executed Oct 27 2025, disclosed Oct 29 2025, 2 days later.
Over the 21 trading sessions from the disclosed entry session (Oct 29 2025), the stock returned -11.9% (delay-adjusted); from the execution session (Oct 27 2025), -19.5%. Derived: entry at the session's open, exit at the close 20 sessions later.
ARCH Venture Partners XII, LLC (10% owner) filed 2 Form 4 reports as a reporting entity in the trailing twelve months (2 purchases, 0 sales), most often in Neumora Therapeutics, Inc. (NMRA). Across 2 priced purchase filings, the average 21-session return was -14.8% from execution and -11.1% from disclosure (delay-adjusted; derived). The largest single filing was $19.8M of SPTX (1,100,000 sh × $18.00, as filed), executed May 4.
Healthcare · Neumora Therapeutics, Inc., a clinical-stage biopharmaceutical company, engages in developing therapeutic treatments for brain diseases, ne…
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