<SEC-DOCUMENT>0001193125-21-151721-index.html : 20210505
<SEC-HEADER>0001193125-21-151721.hdr.sgml : 20210505
<ACCEPTANCE-DATETIME>20210505161221
ACCESSION NUMBER:		0001193125-21-151721
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210505
DATE AS OF CHANGE:		20210505

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:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-255491
		FILM NUMBER:		21893372

	BUSINESS ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1555
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		(617) 351-2590

	MAIL ADDRESS:	
		STREET 1:		800 BOYLSTON STREET
		STREET 2:		SUITE 1555
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>d107876ds1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: d107876ds1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.2
<SEQUENCE>2
<FILENAME>d107876dex32.htm
<DESCRIPTION>EX-3.2
<TEXT>
Document 2 - file: d107876dex32.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.3
<SEQUENCE>3
<FILENAME>d107876dex103.htm
<DESCRIPTION>EX-10.3
<TEXT>
Document 3 - file: d107876dex103.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.19
<SEQUENCE>4
<FILENAME>d107876dex1019.htm
<DESCRIPTION>EX-10.19
<TEXT>
Document 4 - file: d107876dex1019.htm

</DOCUMENT>
</SEC-DOCUMENT>