Seaport Therapeutics, Inc.
SPTX
14 insider filings · Latest: May 4, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| May 4, 2026 | May 4 10:02 PM | ARCH Venture Partners XII, LLC10% Owner | Purchase | 1,100,000 | $18.00 | $19.8M | 6,294,951(I) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 4, 2026 | May 6 11:38 PM | PureTech Health plc10% Owner | Conversion | 51,452,630 | — | 0(I) | View → |
| Apr 30, 2026 | May 4 10:18 PM | Daphne ZoharDirector, Chief Executive Officer | Grant/Award | 1,758,599 | $18.00 | 1,486,786(D) | View → |
| May 4, 2026 | May 4 10:14 PM | James HealyDirector | Conversion | 8,578,946 | — | 0(I) | View → |
| May 4, 2026 | May 4 10:13 PM | Lauren WhiteChief Financial Officer | Conversion | 21,052 | — | 0(I) | View → |
| Apr 30, 2026 | May 4 10:13 PM | Lauren WhiteChief Financial Officer | Grant/Award | 63,680 | $18.00 | 63,680(D) | View → |
| Apr 30, 2026 | May 4 10:10 PM | David E. WheadonDirector | Grant/Award | 12,258 | $18.00 | 12,258(D) | View → |
| Apr 30, 2026 | May 4 10:09 PM | Sandra E PetersonDirector | Grant/Award | 12,258 | $18.00 | 12,258(D) | View → |
| May 4, 2026 | May 4 10:08 PM | Lana GladsteinGeneral Counsel | Conversion | 105,263 | — | 0(D) | View → |
| Apr 30, 2026 | May 4 10:08 PM | Lana GladsteinGeneral Counsel | Grant/Award | 63,680 | $18.00 | 63,680(D) | View → |
| May 4, 2026 | May 4 10:07 PM | Michael Cunyuan ChenChief Scientific Officer | Conversion | 10,526 | — | 0(D) | View → |
| Apr 30, 2026 | May 4 10:07 PM | Michael Cunyuan ChenChief Scientific Officer | Grant/Award | 63,680 | $18.00 | 63,680(D) | View → |
| May 4, 2026 | May 4 10:06 PM | Denice TorresDirector | Conversion | 42,105 | — | 0(I) | View → |
| Apr 30, 2026 | May 4 10:06 PM | Denice TorresDirector | Grant/Award | 12,258 | $18.00 | 12,258(D) | View → |
| May 4, 2026 | May 4 10:05 PM | Steven M PaulDirector | Conversion | 210,526 | — | 0(D) | View → |
| Apr 30, 2026 | May 4 10:05 PM | Steven M PaulDirector | Grant/Award | 1,003,450 | $18.00 | 991,192(D) | View → |
| May 4, 2026 | May 4 10:02 PM | ARCH Venture Partners XII, LLC10% Owner | Conversion | 5,194,951 | — | 0(I) | View → |
| Apr 30, 2026 | May 4 10:02 PM | Robert J. HombachDirector | Grant/Award | 12,258 | $18.00 | 12,258(D) | View → |
| May 4, 2026 | May 4 10:01 PM | Antony LoebelChief Medical Officer | Conversion | 63,157 | — | 0(D) | View → |
| Apr 30, 2026 | May 4 10:01 PM | Antony LoebelChief Medical Officer | Grant/Award | 63,680 | $18.00 | 63,680(D) | View → |
| Apr 30, 2026 | May 4 10:00 PM | Sharon MatesDirector | Grant/Award | 49,033 | $18.00 | 49,033(D) | View → |