0000950170-24-062059.txt : 20240517 0000950170-24-062059.hdr.sgml : 20240517 20240517201850 ACCESSION NUMBER: 0000950170-24-062059 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240515 FILED AS OF DATE: 20240517 DATE AS OF CHANGE: 20240517 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Shaff Eric D. CENTRAL INDEX KEY: 0001643734 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37465 FILM NUMBER: 24962128 MAIL ADDRESS: STREET 1: C/O SERES HEALTH, INC. STREET 2: 161 FIRST STREET CITY: CAMBRIDGE STATE: MA ZIP: 02472 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 2024-05-15 0001609809 Seres Therapeutics, Inc. MCRB 0001643734 Shaff Eric D. C/O SERES THERAPEUTICS, INC. 101 CAMBRIDGE PARK DRIVE CAMBRIDGE MA 02140 true true false false CEO and President true Common Stock 2024-05-15 4 M false 7812 A 143133 D Common Stock 2024-05-15 4 S false 2435 0.94 D 140698 D Restricted Stock Units 2024-05-15 4 M false 7812 0 D Common Stock 7812 85938 D Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 instruction adopted by the reporting person on March 2, 2023, solely with the intent to cover taxes in connection with the vesting of the restricted stock units. The price reported in column 4 is a weighted average of the sale prices. These shares were sold in multiple transactions at prices ranging from $0.94 to $0.950451, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The restricted stock units vested and settled as to 25% of the restricted stock units on February 15, 2024. The remainder of the restricted stock units have vested and settled or will vest and settle in 12 equal quarterly installments thereafter. The restricted stock units have no expiration date. /s/ Thomas J. DesRosier, attorney-in-fact for Eric D. Shaff 2024-05-17