<SEC-DOCUMENT>0001209191-22-061663-index.html : 20221216
<SEC-HEADER>0001209191-22-061663.hdr.sgml : 20221216
<ACCEPTANCE-DATETIME>20221216163038
ACCESSION NUMBER:		0001209191-22-061663
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20221207
FILED AS OF DATE:		20221216
DATE AS OF CHANGE:		20221216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			van der Horst Edward
		CENTRAL INDEX KEY:			0001957499

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39980
		FILM NUMBER:		221468346

	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:		620 PROFESSIONAL DRIVE
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
		BUSINESS PHONE:		(240) 243-8000

	MAIL ADDRESS:	
		STREET 1:		620 PROFESSIONAL DRIVE
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20879
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>