0000950170-24-042654.txt : 20240408 0000950170-24-042654.hdr.sgml : 20240408 20240408164519 ACCESSION NUMBER: 0000950170-24-042654 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240404 FILED AS OF DATE: 20240408 DATE AS OF CHANGE: 20240408 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Graves Kurt CENTRAL INDEX KEY: 0001406337 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 24830156 MAIL ADDRESS: STREET 1: C/O ACHILLION PHARMACEUTICALS INC. STREET 2: 300 GEORGE STREET CITY: NEW HAVEN STATE: CT ZIP: 06511 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Seres Therapeutics, Inc. CENTRAL INDEX KEY: 0001609809 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 274326290 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 617 945 9626 MAIL ADDRESS: STREET 1: 200 SIDNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 FORMER COMPANY: FORMER CONFORMED NAME: Seres Health, Inc. DATE OF NAME CHANGE: 20140603 4 1 ownership.xml 4 X0508 4 2024-04-04 0001609809 Seres Therapeutics, Inc. MCRB 0001406337 Graves Kurt C/O SERES THERAPEUTICS, INC. 101 CAMBRIDGE PARK DRIVE CAMBRIDGE MA 02140 true false false false false Stock Option (right to buy) 0.76 2024-04-04 4 A false 60000 0.00 A 2034-04-03 Common Stock 60000 60000 D The option vests in full on the earlier of April 4, 2025 or the day immediately prior to the company's 2025 annual meeting of shareholders. /s/ Thomas J. DesRosier, Attorney-in-Fact 2024-04-08