0000950170-24-037213.txt : 20240327 0000950170-24-037213.hdr.sgml : 20240327 20240327162009 ACCESSION NUMBER: 0000950170-24-037213 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240325 FILED AS OF DATE: 20240327 DATE AS OF CHANGE: 20240327 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Thorell Marella CENTRAL INDEX KEY: 0001826323 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 24790894 MAIL ADDRESS: STREET 1: 1226 CHARTER LANE CITY: AMBLER STATE: PA ZIP: 19002 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 2024-03-25 0001609809 Seres Therapeutics, Inc. MCRB 0001826323 Thorell Marella C/O SERES THERAPEUTICS, INC. 101 CAMBRIDGE PARK DRIVE CAMBRIDGE MA 02140 false true false false See Remarks false Stock Options (right to buy) 0.79 2024-03-25 4 A false 700000 0.00 A 2034-03-24 Common Stock 700000 700000 D The option will vest as to 25% of the shares on March 25, 2025. The remainder of the shares will vest in 12 equal quarterly installments thereafter. EVP and Chief Financial Officer /s//Thomas J. DesRosier, Attorney-in-Fact for Marella Thorell 2024-03-27