LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
SPTXCIK 0002042347

Seaport Therapeutics, Inc.

41 transactions by 14 insiders, from April 30, 2026 to June 22, 2026.

Transactions
4114 insiders
Bought · P
$20.0Mopen market
Sold · S
Nonenobody sold on the open market
Net
+$20.0Mnet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Steven M. PaulDir4———
James HealyDir4———
Lauren WhiteCFO3———
Lana GladsteinGC3———
Michael Cunyuan ChenChief3———
Antony LoebelCMO3———
Denice TorresDir3———
Daphne ZoharCEO2———
Robert J. HombachDir2—$236K—
David E. WheadonDir1———
Sharon MatesDir1———
Sandra E. PetersonDir1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
PureTech Health plc10%6———
ARCH Venture Partners XII, LLC10%5—$19.8M—

All transactions

41 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Robert J. HombachDirJun 22P13,000$18.14$236K
PureTech Health plc10%DERIVJOINTMay 4C3,031,578$0.00—?
PureTech Health plc10%DERIVJOINTMay 4C8,421,052$0.00—?
PureTech Health plc10%DERIVJOINTMay 4C40,000,000$0.00—?
PureTech Health plc10%JOINTMay 4C965,255——
PureTech Health plc10%JOINTMay 4C2,681,265——
PureTech Health plc10%JOINTMay 4C12,736,014——
Daphne ZoharCEODERIVApr 30A1,486,786$0.00—?
Daphne ZoharCEODERIVApr 30A271,813$0.00—?
Lauren WhiteCFODERIVMay 4C21,052$0.00—?
Lauren WhiteCFODERIVApr 30A63,680$0.00—?
Lauren WhiteCFOMay 4C6,702——
David E. WheadonDirDERIVApr 30A12,258$0.00—?
Denice TorresDirDERIVMay 4C42,105$0.00—?
Denice TorresDirDERIVApr 30A12,258$0.00—?
Denice TorresDirMay 4C13,406——
Sandra E. PetersonDirDERIVApr 30A12,258$0.00—?
Steven M. PaulDirDERIVMay 4C210,526$0.00—?
Steven M. PaulDirDERIVApr 30A991,192$0.00—?
Steven M. PaulDirDERIVApr 30A12,258$0.00—?
Steven M. PaulDirMay 4C67,031——
Sharon MatesDirDERIVApr 30A49,033$0.00—?
Antony LoebelCMODERIVMay 4C63,157$0.00—?
Antony LoebelCMODERIVApr 30A63,680$0.00—?
Antony LoebelCMOMay 4C20,109——
Robert J. HombachDirDERIVApr 30A12,258$0.00—?
James HealyDirDERIVMay 4C2,526,315$0.00—?
James HealyDirDERIVMay 4C6,052,631$0.00—?
James HealyDirMay 4C804,379——
James HealyDirMay 4C1,927,159——
Lana GladsteinGCDERIVMay 4C105,263$0.00—?
Lana GladsteinGCDERIVApr 30A63,680$0.00—?
Lana GladsteinGCMay 4C33,515——
Michael Cunyuan ChenChiefDERIVMay 4C10,526$0.00—?
Michael Cunyuan ChenChiefDERIVApr 30A63,680$0.00—?
Michael Cunyuan ChenChiefMay 4C3,351——
ARCH Venture Partners XII, LLC10%DERIVJOINTMay 4C2,681,265$0.00—?
ARCH Venture Partners XII, LLC10%DERIVJOINTMay 4C2,513,686$0.00—?
ARCH Venture Partners XII, LLC10%JOINTMay 4P1,100,000$18.00$19.8M
ARCH Venture Partners XII, LLC10%JOINTMay 4C2,681,265——
ARCH Venture Partners XII, LLC10%JOINTMay 4C2,513,686——