United States

Seaport Therapeutics Inc (SPTX)

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Seaport Therapeutics Inc. recorded two insider buy transactions over the past 90 days, totaling approximately $20.04 million in net value. These purchases, involving 1.113 million shares, were executed by non-executive insiders, including ARCH Venture Partners XII, LLC. No insider selling activity was reported during this period, which follows the company's most recent earnings report.
Ticker: SPTX
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Buy 22 Jun 2026
Value US$4,610,786.16 | Price 83.22 | Shares 35,113 (+39.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-24 2026-06-22 B Purchase
HOMBACH ROBERT J.
Non-Executive Director
35,113 +39.2%
83.22
US$4,610,786 		35,113 +39.2% 83.22 US$4,610,786
2026-05-04 2026-05-04 B Purchase
3.6
ARCH Venture Partners XII, LLC
Large shareholder
93,492 -39.3%
106.87
US$4,295,092 		93,492 -39.3% 106.87 US$4,295,092
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