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Company profile

Seaport Therapeutics, Inc. Insider Trading

SPTX

Every SEC Form 4 insider trading filing for Seaport Therapeutics, Inc. (SPTX) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
CIK
0002042347
Filings
15
Insiders
21
Last filing
2026-06-22
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on June 22, 2026, when Robert J. Hombach bought 13,000 shares. 15 filings from 21 insiders are on record below.

No insider activity recorded for SPTX in the last 90 days.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Jun 22, 2026Robert J. HombachSPTX
Purchase
13,000$18.14$236K+11.4% 1m
May 4, 2026PureTech Health plcSPTX
C
12,736,014——+44.3% 3m
May 4, 2026PureTech Health plcSPTX
C
2,681,265——+44.3% 3m
May 4, 2026PureTech Health plcSPTX
C
965,255——+44.3% 3m
May 4, 2026PureTech Health plcSPTX
C
40,000,000——+44.3% 3m

36 more transactions hidden

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Top insiders

By total value filed.

ARCH Venture Partners XII, LLC10% owner1 filing+$19.8M
Robert J. HombachDirector1 filing+$236K
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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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