// company-profile
Seaport Therapeutics, Inc. Insider Trading
SPTXEvery SEC Form 4 insider trading filing for Seaport Therapeutics, Inc. (SPTX) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings15Insiders21
// api This Seaport Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
curl "https://api.form4api.com/v1/transactions?ticker=SPTX" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Seaport Therapeutics, Inc. insiders bought $236K across 1 transaction with no open-market sales.
- Most active insider: HOMBACH ROBERT J. with 1 transaction totaling $236K.
- Largest single purchase: $236K by HOMBACH ROBERT J. on Jun 22, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 22, 2026 | HOMBACH ROBERT J. | SPTX | Purchase | 13,000 | $18.14 | $236K |
| May 4, 2026 | ARCH Venture Partners XII, LLC | SPTX | C | 2,681,265 | — | — |
| May 4, 2026 | ARCH Venture Partners XII, LLC | SPTX | Purchase | 1,100,000 | $18.00 | $19.80M |
| May 4, 2026 | ARCH Venture Partners XII, LLC | SPTX | C | 2,513,686 | $0.00 | $0K |
| May 4, 2026 | ARCH Venture Partners XII, LLC | SPTX | C | 2,681,265 | $0.00 | $0K |
36 more transactions hidden
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