Seaport Therapeutics, Inc.
SPTXFigures shown here come from public SEC filings. Dates beside each section show the available history.
SEC filings supply these figures; updates after the dates shown are not included. No annual financial history is available for this company. The latest insider filing shown is dated Jun 24, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-22 | HOMBACH ROBERT J. · Director | Common Stock | P — Open market or private purchase | +13,000 | 18.14 | SEC filing |
| 2026-05-04 | CRANDELL KEITH · 10% owner | Common Stock | P — Open market or private purchase | +1,100,000 | 18.00 | SEC filing |
Showing 2 of 2 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-04 | HEALY JAMES · Director | Series A-2 Preferred Stock | C — Conversion of derivative security | −6,052,631 | SEC filing |
| 2026-05-04 | CRANDELL KEITH · 10% owner | Series B Preferred Stock | C — Conversion of derivative security | −2,681,265 | SEC filing |
| 2026-05-04 | CRANDELL KEITH · 10% owner | Series A-2 Preferred Stock | C — Conversion of derivative security | −2,513,686 | SEC filing |
| 2026-05-04 | HEALY JAMES · Director | Common Stock | C — Conversion of derivative security | +1,927,159 | SEC filing |
| 2026-05-04 | PureTech Health plc · 10% owner | Common Stock | C — Conversion of derivative security | +2,681,265 | SEC filing |
| 2026-05-04 | PAUL STEVEN M · Director | Series B Preferred Stock | C — Conversion of derivative security | −210,526 | SEC filing |
| 2026-05-04 | PAUL STEVEN M · Director | Common Stock | C — Conversion of derivative security | +67,031 | SEC filing |
| 2026-05-04 | CRANDELL KEITH · 10% owner | Common Stock | C — Conversion of derivative security | +2,681,265 | SEC filing |
Showing 8 of 20 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.