Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000950142-26-001308
Filing Date
2026-05-06
Accepted
2026-05-06 21:14:40
Documents
1
Period of Report
2026-05-04

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT es260776343_3-sptx1.html 3  
1 OWNERSHIP DOCUMENT es260776343_3-sptx1.xml 3 16097
  Complete submission text file 0000950142-26-001308.txt   24291
Mailing Address 55 EAST 52ND STREET 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET 33RD FLOOR NEW YORK NY 10055 212 715 4000
GENERAL ATLANTIC, L.P. (Reporting) CIK: 0001017645 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950464

Mailing Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055 212 715 4000
GAP COINVESTMENTS III, LLC (Reporting) CIK: 0001282203 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950461

Mailing Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055 212 715 4000
GAP COINVESTMENTS IV, LLC (Reporting) CIK: 0001282372 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950460

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND ST. 32ND FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY 55 EAST 52ND ST. 32ND FLOOR NEW YORK NY 10055 212 715 4000
GAP (Bermuda) L.P. (Reporting) CIK: 0001406817 (see all company filings)

State of Incorp.: D0 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950456

Mailing Address 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET, 32ND FLOOR NEW YORK NY 10055 212 715 4000
GENERAL ATLANTIC GENPAR, L.P. (Reporting) CIK: 0001467926 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950463

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 55 EAST 52ND ST. 32ND FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY,LLC 55 EAST 52ND ST. 32ND FLOOR NEW YORK NY 10055 212 715 4000
GENERAL ATLANTIC GENPAR (BERMUDA), L.P. (Reporting) CIK: 0001467927 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950458

Mailing Address C/O GENERAL ATLANTIC SERVICE COMPANY,LP 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055
Business Address C/O GENERAL ATLANTIC SERVICE COMPANY,LP 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055 212-715-4000
General Atlantic Partners 100, L.P. (Reporting) CIK: 0001704892 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950462

Mailing Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055 2127154000
General Atlantic (SPV) GP, LLC (Reporting) CIK: 0001793940 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950457

Mailing Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET, 33RD FLOOR NEW YORK NY 10055 2127154000
GAP Coinvestments V, LLC (Reporting) CIK: 0001793941 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950459

Mailing Address 6 TIDE STREET SUITE 400 BOSTON MA 02110
Business Address 6 TIDE STREET SUITE 400 BOSTON MA 02110 617-807-4062
Seaport Therapeutics, Inc. (Issuer) CIK: 0002042347 (see all company filings)

EIN.: 992235719 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address 55 EAST 52ND STREET 33RD FLOOR NEW YORK NY 10055
Business Address 55 EAST 52ND STREET 33RD FLOOR NEW YORK NY 10055 212-715-4000
General Atlantic (SP), L.P. (Reporting) CIK: 0002133363 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-43254 | Film No.: 26950465