0001209191-23-048968.txt : 20230911 0001209191-23-048968.hdr.sgml : 20230911 20230911173432 ACCESSION NUMBER: 0001209191-23-048968 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230215 FILED AS OF DATE: 20230911 DATE AS OF CHANGE: 20230911 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gallagher Patrick Stephen CENTRAL INDEX KEY: 0001932215 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39980 FILM NUMBER: 231248568 MAIL ADDRESS: STREET 1: 66 HAROLD ST CITY: BOSTON STATE: MA ZIP: 02119 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Sensei Biotherapeutics, Inc. CENTRAL INDEX KEY: 0001829802 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1405 RESEARCH BLVD, SUITE 125 CITY: ROCKVILLE STATE: MD ZIP: 20850 BUSINESS PHONE: (240) 243-8000 MAIL ADDRESS: STREET 1: 1405 RESEARCH BLVD, SUITE 125 CITY: ROCKVILLE STATE: MD ZIP: 20850 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2023-02-15 1 0001829802 Sensei Biotherapeutics, Inc. SNSE 0001932215 Gallagher Patrick Stephen C/O SENSEI BIOTHERAPEUTICS, INC. 1405 RESEARCH BLVD, SUITE 125 ROCKVILLE MD 20850 0 1 0 0 Chief Business Officer 0 Common Stock 2023-02-15 4 F 0 9383 1.50 D 34130 D Represents shares withheld to satisfy withholding tax obligations upon the vesting of restricted stock units. /s/ Mark Ballantyne, Attorney-in-Fact 2023-09-11