<SEC-DOCUMENT>0001193125-23-159826-index.html : 20230602
<SEC-HEADER>0001193125-23-159826.hdr.sgml : 20230602
<ACCEPTANCE-DATETIME>20230602160549
ACCESSION NUMBER:		0001193125-23-159826
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20230602
DATE AS OF CHANGE:		20230602

FILER:

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

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40603
		FILM NUMBER:		23988671

	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>DEFA14A
<SEQUENCE>1
<FILENAME>d501127ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d501127ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g501127g78x09.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g501127g78x09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g501127page016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g501127page016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g501127page017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g501127page017.jpg

</DOCUMENT>
</SEC-DOCUMENT>