How many insider trades does FilingIQ track for SPTX?

FilingIQ tracks 41 Form 4 insider transactions for SPTX (Seaport Therapeutics, Inc.), covering filings from Apr 30, 2026 onwards. 41 of those were filed in the last 90 days.

Are SPTX insiders net buyers or net sellers?

Across the full Form 4 history for SPTX, 2 transactions (5%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does SPTX insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is SPTX in?

Seaport Therapeutics, Inc. (SPTX) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $867.20M.

SPTX insider trading

NasdaqGS Healthcare

Seaport Therapeutics, Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

Last 90 days

Buys / sells

5% / 0%

Market cap

$867.20M

About Seaport Therapeutics, Inc.

Seaport Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company advancing the development of novel neuropsychiatric medicines. The company develops therapeutic candidates for conditions such as depression and anxiety disorders using its proprietary Glyph technology platform. The Glyph platform is designed to enable oral bioavailability, bypass first-pass metabolism, and reduce liver enzyme elevations or hepatotoxicity and other side effects. All therapeutic candidates in development are based on this platform, with research and development activities focused on neuropsychiatric medicines. The company serves clinicians and key opinion leaders in the healthcare and neuropsychiatric medicine sectors. The company was founded in 2024 and is based in Boston, Massachusetts.

Company website: www.seaporttx.com

SPTX insider activity at a glance

FilingIQ has scored 41 insider transactions for SPTX since Apr 30, 2026. The most recent filing in our index is dated Jun 22, 2026.

Across the full history, 2 open-market purchases and 0 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on SPTX insider trades is 56.0/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live SPTX trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for SPTX?: FilingIQ tracks 41 Form 4 insider transactions for SPTX (Seaport Therapeutics, Inc.), covering filings from Apr 30, 2026 onwards. 41 of those were filed in the last 90 days.
Are SPTX insiders net buyers or net sellers?: Across the full Form 4 history for SPTX, 2 transactions (5%) were open-market purchases and 0 (0%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does SPTX insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is SPTX in?: Seaport Therapeutics, Inc. (SPTX) is classified in the Healthcare sector, specifically Biotechnology, with a current market capitalisation of $867.20M.

Methodology & sources

Every SPTX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.