Seaport Therapeutics, Inc. (SPTX)

Nasdaq · Pharmaceutical Preparations · Inc. DE

What they're doing

Between 2026-06-21 and 2026-09-19, public records show 1 signal for Seaport Therapeutics, Inc.. Most notable: 2026-06-22: HOMBACH ROBERT J. (director) bought $236k of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.

Generated 2026-09-19 from public records.

Signals, last 12 months

  1. Insider purchase
    HOMBACH ROBERT J. (director) bought $236k of stock
  2. Insider purchase
    ARCH Venture Partners XII, LLC; ARCH Venture Partners XII, L.P.; ARCH Venture Fund XII, L.P.; CRANDELL KEITH; NELSEN ROBERT; Burow Kristina; GILLIS STEVEN (ten_percent_owner) bought $19.8M of stock
  3. Insider purchase
    ARCH Venture Partners XII, L.P. (ten_percent_owner) bought $19.8M of stock

Insider transactions

DateInsiderRoleCodeSharesPriceValue
2026-06-22HOMBACH ROBERT J.directorP13,00018.14$235,820
2026-06-22HOMBACH ROBERT J.directorP13,00018.14$235,768
2026-05-04PureTech Health plcten percent ownerC2,681,265——
2026-05-04PureTech Health plcten percent ownerC965,255——
2026-05-04PureTech Health plcten percent ownerC12,736,014——
2026-05-04HEALY JAMESdirectorC804,379——
2026-05-04HEALY JAMESdirectorC1,927,159——
2026-05-04White LaurenofficerC6,702——
2026-05-04Gladstein LanaofficerC33,515——
2026-05-04Chen Michael CunyuanofficerC3,351——
2026-05-04Torres DenicedirectorC13,406——
2026-05-04PAUL STEVEN MdirectorC67,031——
2026-05-04ARCH Venture Partners XII, L.P.ten percent ownerP1,100,00018$19,800,000
2026-05-04ARCH Venture Partners XII, L.P.ten percent ownerC2,681,265——
2026-05-04ARCH Venture Partners XII, L.P.ten percent ownerC2,513,686——
2026-05-04Loebel AntonyofficerC20,109——
2026-05-04PureTech Health plc; PureTech LYT, Inc.ten percent ownerC12,736,014——
2026-05-04PureTech Health plc; PureTech LYT, Inc.ten percent ownerC2,681,265——
2026-05-04PureTech Health plc; PureTech LYT, Inc.ten percent ownerC965,255——
2026-05-04HEALY JAMESdirectorC1,927,159——
2026-05-04HEALY JAMESdirectorC804,379——
2026-05-04White LaurenofficerC6,702——
2026-05-04Gladstein LanaofficerC33,515——
2026-05-04Chen Michael CunyuanofficerC3,351——
2026-05-04Torres DenicedirectorC13,406——
2026-05-04PAUL STEVEN MdirectorC67,031——
2026-05-04ARCH Venture Partners XII, LLC; ARCH Venture Partners XII, L.P.; ARCH Venture Fund XII, L.P.; CRANDELL KEITH; NELSEN ROBERT; Burow Kristina; GILLIS STEVENten percent ownerC2,513,686——
2026-05-04ARCH Venture Partners XII, LLC; ARCH Venture Partners XII, L.P.; ARCH Venture Fund XII, L.P.; CRANDELL KEITH; NELSEN ROBERT; Burow Kristina; GILLIS STEVENten percent ownerC2,681,265——
2026-05-04ARCH Venture Partners XII, LLC; ARCH Venture Partners XII, L.P.; ARCH Venture Fund XII, L.P.; CRANDELL KEITH; NELSEN ROBERT; Burow Kristina; GILLIS STEVENten percent ownerP1,100,00018$19,800,000
2026-05-04Loebel AntonyofficerC20,109——

Federal contracts

No federal contract actions on record for this recipient mapping.

Lobbying

No federal lobbying filings on record for this client mapping.

Public attention

No Wikipedia pageview data linked to this company.

Recent filings