<SEC-DOCUMENT>0001193125-22-042256-index.html : 20220214
<SEC-HEADER>0001193125-22-042256.hdr.sgml : 20220214
<ACCEPTANCE-DATETIME>20220214172421
ACCESSION NUMBER:		0001193125-22-042256
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20220214
DATE AS OF CHANGE:		20220214
GROUP MEMBERS:		BESSEMER VENTURE PARTNERS IX INSTITUTIONAL L.P.
GROUP MEMBERS:		BESSEMER VENTURE PARTNERS IX L.P.
GROUP MEMBERS:		DEER IX & CO. L.P.

SUBJECT COMPANY:	

	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:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-92700
		FILM NUMBER:		22635079

	BUSINESS ADDRESS:	
		STREET 1:		830 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		857-399-9500

	MAIL ADDRESS:	
		STREET 1:		830 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Deer IX & Co. Ltd.
		CENTRAL INDEX KEY:			0001655220
		IRS NUMBER:				981208903
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		C/O BESSEMER VENTURE PARTNERS
		STREET 2:		1865 PALMER AVENUE, SUITE 104
		CITY:			LARCHMONT
		STATE:			NY
		ZIP:			10538
		BUSINESS PHONE:		914-833-5300

	MAIL ADDRESS:	
		STREET 1:		C/O BESSEMER VENTURE PARTNERS
		STREET 2:		1865 PALMER AVENUE, SUITE 104
		CITY:			LARCHMONT
		STATE:			NY
		ZIP:			10538
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d310747dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d310747dsc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d310747dex991.htm
<DESCRIPTION>EXHIBIT 1
<TEXT>
Document 2 - file: d310747dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>d310747dex992.htm
<DESCRIPTION>EXHIBIT 2
<TEXT>
Document 3 - file: d310747dex992.htm

</DOCUMENT>
</SEC-DOCUMENT>