ARCH Venture Partners XII, LLC
SEC CIK 1979548 · EDGAR
BoughtSold
Most active insiders at SPTX, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | ARCH Venture Partners XII, LLC | 10% | $19.80M | — |
| 2 | HOMBACH ROBERT J. | Dir | $235.8K | — |
| 3 | Chen Michael Cunyuan | CSO | — | — |
| 4 | Gladstein Lana | GC | — | — |
| 5 | White Lauren | CFO | — | — |
| 6 | Torres Denice | Dir | — | — |
| 7 | Loebel Antony | Chief Medical Off | — | — |
| 8 | PureTech Health plc | 10% | — | — |
| 9 | HEALY JAMES | Dir | — | — |
| 10 | PAUL STEVEN M | Dir | — | — |
Transactions 6
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-05-04 18:02 | 2026-05-04 | SPTX | Seaport Therapeutics, Inc. | ARCH Venture Partners XII, LLC | 10% | C - Cnv Deriv | — | +5.19M | 5.19M | New | — |
| DI | 2026-05-04 18:02 | 2026-05-04 | SPTX | Seaport Therapeutics, Inc. | ARCH Venture Partners XII, LLC | 10% | P - Purchase | $18.00 | +1.10M | 6.29M | +21% | +$19.80M |
| I | 2025-10-29 | 2025-10-27 | NMRA | Neumora Therapeutics, Inc. | ARCH Venture Partners XII, LLC | 10% | P - Purchase | $2.61 | +1.92M | 6.05M | +46% | +$5.00M |
| I | 2024-02-20 | 2024-02-15 | PRME | Prime Medicine, Inc. | ARCH Venture Partners XII, LLC | 10% | P - Purchase | $6.25 | +3.20M | 3.20M | New | +$20.00M |
| MI | 2023-12-12 | 2023-12-08 | NMRA | Neumora Therapeutics, Inc. | ARCH Venture Partners XII, LLC | 10% | J - Other | — | +1.88M | 2.32M | +425% | — |
| MI | 2023-11-07 | 2023-11-03+ | NMRA | Neumora Therapeutics, Inc. | ARCH Venture Partners XII, LLC | 10% | P - Purchase | $11.49 | +95.7K | 3.88M | +3% | +$1.10M |
Purchase Sale Sale after option exercise All abbreviations