Arch Venture Fund XII, L.P.
SEC-identified person · CIK 1906837 Identifier-verified
Public-company roles (from insider filings)
| Company | Capacity as filed | Filings |
|---|---|---|
| Seaport Therapeutics, Inc. SPTX | Officer | filed 2026 - 2026 |
| Metsera, Inc. MTSR | Director | filed 2025 - 2025 |
| Neumora Therapeutics, Inc. NMRA | Officer | filed 2023 - 2025 |
| Prime Medicine, Inc. PRME | Officer | filed 2024 - 2025 |
| Rapport Therapeutics, Inc. RAPP | Officer | filed 2024 - 2024 |
All roles under one Commission-assigned identifier - the same person by the SEC's own record, not by name matching. From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.