SPTX insider buying
Every open-market purchase of Seaport Therapeutics, Inc. (SPTX) stock by its officers, directors and major shareholders, from SEC Form 4 filings.
Bought, last 12 months$20.04M
Insiders buying (12m)2
Purchases on record2
Last purchase filedJun 24, 2026
In the last 12 months, 2 insiders of Seaport Therapeutics, Inc. bought $20.04M of SPTX stock on the open market in 2 reported purchases. The most recent was filed on Jun 24, 2026: Hombach Robert J. (Director) bought 13,000 shares at $18.14, worth $235.82K. The largest purchase on record here is $19.80M by ARCH Venture Partners XII, L.P. +6 on May 4, 2026.
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