Seaport Therapeutics, Inc. (SPTX) has 2 open-market insider trades by 2 insiders since 2026. Over the last six months insiders net bought $20.0M. The most active filer is ARCH Venture Partners XII, LLC, 10% Owner.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| ARCH Venture Partners XII, LLC | 10% Owner | — | 1 | $19.8M | 2026-05-04 |
| Robert J. Hombach | Dir | — | 1 | $236K | 2026-06-22 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Robert J. Hombach | Director | Buy | $236K | 2026-06-22 |
| ARCH Venture Partners XII, LLC | 10% Owner | Buy | $19.8M | 2026-05-04 |
Companies that share insiders with SPTX, and sector peers with recent insider buying. Related by who files, not by how the stocks move.