<SEC-DOCUMENT>0000950170-24-073670-index.html : 20240614
<SEC-HEADER>0000950170-24-073670.hdr.sgml : 20240614
<ACCEPTANCE-DATETIME>20240614161503
ACCESSION NUMBER:		0000950170-24-073670
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20240612
FILED AS OF DATE:		20240614
DATE AS OF CHANGE:		20240614

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nicholson Garry A
		CENTRAL INDEX KEY:			0001640861
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40603
		FILM NUMBER:		241044950

	MAIL ADDRESS:	
		STREET 1:		C/O TESARO, INC.
		STREET 2:		1000 WINTER STREET, SUITE 3300
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TScan Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001783328
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				825282075
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		880 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		857-399-9500

	MAIL ADDRESS:	
		STREET 1:		880 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tcrx-ex24.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: tcrx-ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>