Seaport Therapeutics, Inc. (SPTX)
Latest SPTX Insider Trades
Robert J. HombachOpen-market purchase$236K- ARCH Venture Partners XII, LLCOpen-market purchase$19.80M
- PureTech Health plcOther
About Seaport Therapeutics, Inc. (SPTX)
Seaport Therapeutics Inc is a clinical-stage therapeutics company. The company focuses on invention and development of new medicines for patients with depression, anxiety, and other debilitating neuropsychiatric disorders. The company identified clinically validated mechanisms with established efficacy and safety profiles, historically limited by high first-pass metabolism, low bioavailability, and side effects. The company's pipeline products are based on Glyph, company's lymphatic-targeting prodrug technology is designed to bypass first-pass metabolism and thereby enhance a drug's oral bioavailability and reduce side effects.
- BOSTON, MA
- 2026
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 13,000 | $236K |
SPTX Insider Transactions (Form 4)
4115 Form 4 filings on record, the earliest from May 4, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Robert J. Hombach | Open-market purchase | Common Stock | 13,000 |
Recent SPTX Form 8-K Filings
3SPTX Insider Trading - FAQ
What is the latest insider trade for SPTX?
Seaport Therapeutics, Inc. (SPTX) had 1 insider filing in the last 90 days, with the most recent on 2026-06-24. The full record for SPTX runs to 15 Form 4 filings, the earliest from 2026-05-04. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying SPTX stock?
1 insider purchase of SPTX was filed in the last 90 days, totaling $236K.
How many insiders are selling SPTX stock?
No insider sales of SPTX were filed in the last 90 days.
Where can I see SPTX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks SPTX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow SPTX insider buys?
Create a free InsiderAlpha account and press Watch on this page to add SPTX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Robert J. Hombach view on EDGAR
- - PureTech Health plc view on EDGAR
- - Daphne Zohar view on EDGAR
- - James Healy view on EDGAR
- - Lauren White view on EDGAR
- - David E. Wheadon view on EDGAR
- - Sandra E. Peterson view on EDGAR
- - Lana Gladstein view on EDGAR
- - Michael Cunyuan Chen view on EDGAR
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity by sector
- Where buying and selling is concentrated across the eleven GICS sectors.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track SPTX insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
