0001209191-23-048967.txt : 20230911 0001209191-23-048967.hdr.sgml : 20230911 20230911173350 ACCESSION NUMBER: 0001209191-23-048967 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: van der Horst Edward CENTRAL INDEX KEY: 0001957499 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39980 FILM NUMBER: 231248567 MAIL ADDRESS: STREET 1: C/O SENSEI BIOTHERAPEUTICS, INC. STREET 2: 451 D STREET, SUITE 710 CITY: BOSTON STATE: MA ZIP: 02210 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 0 0001829802 Sensei Biotherapeutics, Inc. SNSE 0001957499 van der Horst Edward C/O SENSEI BIOTHERAPEUTICS, INC. 1405 RESEARCH BLVD, SUITE 125 ROCKVILLE MD 20850 0 1 0 0 Chief Scientific Officer 0 Common Stock 2023-02-15 4 F 0 9525 1.50 D 52913 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