Form 4 Tracker
ARCH Venture Partners XII, LLC

10% Owner · 1 filing · Latest: May 4, 2026

Seaport Therapeutics, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
SPTX
ARCH Venture Partners XII, LLC10% OwnerMay 4, 2026
Purchase
$18.001,100,000$19.8M6,294,951