SPTX logo

Seaport Therapeutics, Inc. Common Stock

SPTX
Healthcare|Biotechnology|US
$21.50
+1.11 (+5.44%)
DCF Value
$1.08
Tangible Book / Share
$7.42
Cash / Share
$5.43

Ownership Breakdown

34.4%
Float
53.5M
Shares Outstanding
18.4M
Float Shares

Major Holders (28)

Combined: 364.3%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
PureTech LYT, Inc.Corporation31.20%16,685,013Aug 14, 202613D/G
PureTech Health LLCOther31.20%16,685,013Aug 14, 202613D/G
PureTech Health plcCorporation31.20%16,685,013Aug 14, 202613D/G
Kristina BurowIndividual11.90%6,294,951May 6, 202613D/G
Steven GillisIndividual11.90%6,294,951May 6, 202613D/G
Keith CrandellIndividual11.90%6,294,951May 6, 202613D/G
Robert NelsenIndividual11.90%6,294,951May 6, 202613D/G
ARCH Venture Partners XII, LLCOther11.90%6,294,951May 6, 202613D/G
ARCH Venture Partners XII, L.P.Partnership11.90%6,294,951May 6, 202613D/G
ARCH Venture Fund XII, L.P.Partnership11.90%6,294,951May 6, 202613D/G
General Atlantic (SP), L.P.Partnership11.50%6,101,582May 11, 202613D/G
General Atlantic Partners (Lux) SCSpPartnership11.50%6,101,582May 11, 202613D/G
General Atlantic GenPar, L.P.Partnership11.50%6,101,582May 11, 202613D/G
GAP Coinvestments III, LLCOther11.50%6,101,582May 11, 202613D/G
GAP Coinvestments IV, LLCOther11.50%6,101,582May 11, 202613D/G
GAP Coinvestments V, LLCOther11.50%6,101,582May 11, 202613D/G
GAP Coinvestments CDA, L.P.Partnership11.50%6,101,582May 11, 202613D/G
General Atlantic GenPar (Lux) SCSpPartnership11.50%6,101,582May 11, 202613D/G
General Atlantic (Lux) S.a r.l.Holding company11.50%6,101,582May 11, 202613D/G
GAP (Bermuda) L.P.Partnership11.50%6,101,582May 11, 202613D/G
General Atlantic GenPar (Bermuda), L.P.Partnership11.50%6,101,582May 11, 202613D/G
General Atlantic, L.P.Partnership11.50%6,101,582May 11, 202613D/G
General Atlantic (SPV) GP, LLCOther11.50%6,101,582May 11, 202613D/G
General Atlantic Partners 100, L.P.Partnership11.50%6,101,582May 11, 202613D/G
Zohar DaphneIndividual9.10%5,225,497Aug 5, 202613D/G
Paul Steven MIndividual6.30%3,516,718Aug 5, 202613D/G
The Goldman Sachs Group, Inc.HC, CO5.50%2,791,814May 11, 202613D/G
Goldman Sachs & Co. LLCBD, IA, OO5.50%2,791,814May 11, 202613D/G

Insider Trades (12)

Last 4 quarters: 16,400,534 acquired · 51,452,630 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Torres DenicedirectorNov 3, 2026BUY5,000$19.86$99.3KForm 4
HOMBACH ROBERT J.directorJun 22, 2026BUY13,000$18.14$235.8KForm 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION965,255——Form 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION2,681,265——Form 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION12,736,014——Form 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION8,421,052——Form 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION40,000,000——Form 4
PureTech Health plc10 percent ownerMay 4, 2026CONVERSION3,031,578——Form 4
PureTech Health plc10 percent ownerApr 30, 2026OTHER0——Form 4
PureTech Health plc10 percent ownerApr 30, 2026OTHER12,736,014——Form 4
PureTech Health plc10 percent ownerApr 30, 2026OTHER2,681,265——Form 4
PureTech Health plc10 percent ownerApr 30, 2026OTHER965,255——Form 4