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CIK 0002042347 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Seaport Therapeutics, Inc.

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Ticker
SPTX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
992235719
Phone
617-807-4062
Business address
6 TIDE STREET, SUITE 400, BOSTON, MA, 02110
Open-market buys, last 90 days
$99,325
in 1 filing
Open-market sales, last 90 days
$0
in 0 filings

Net +$99,325. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Torres Denice +$99K Director 1 filing
Date Insider Transaction Shares Price Value Owned after
2026-11-03 Torres Denice Director Purchase +5,000 $19.87 $99K 5,000
2026-06-22 HOMBACH ROBERT J. Director Purchase +13,000 $18.14 $236K 13,000
2026-05-04 ARCH Venture Partners XII, LLC 10% owner Purchase +1,100,000 $18.00 $19.8M 6,294,951

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