<SEC-DOCUMENT>0001193805-21-000825-index.html : 20210609
<SEC-HEADER>0001193805-21-000825.hdr.sgml : 20210609
<ACCEPTANCE-DATETIME>20210609072632
ACCESSION NUMBER:		0001193805-21-000825
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210609
DATE AS OF CHANGE:		20210609

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDC PARTNERS INC
		CENTRAL INDEX KEY:			0000876883
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ADVERTISING AGENCIES [7311]
		IRS NUMBER:				980364441
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53561
		FILM NUMBER:		211003979

	BUSINESS ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER, FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007
		BUSINESS PHONE:		646 429 1800

	MAIL ADDRESS:	
		STREET 1:		ONE WORLD TRADE CENTER, FLOOR 65
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10007

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORP INC
		DATE OF NAME CHANGE:	20001204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC COMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19961028

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MDC CORPORATION
		DATE OF NAME CHANGE:	19950419

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Indaba Capital Management, L.P.
		CENTRAL INDEX KEY:			0001524362
		IRS NUMBER:				271639439
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE DM700
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
		BUSINESS PHONE:		(415) 680-1180

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE DM700
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Indaba Capital Management, LLC
		DATE OF NAME CHANGE:	20110627
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da110123011_06092021.htm
<TEXT>
Document 1 - file: sc13da110123011_06092021.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex991to13da110123011_060921.htm
<DESCRIPTION>EX. 99.1 - JUNE 8 LETTER
<TEXT>
Document 2 - file: ex991to13da110123011_060921.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>3
<FILENAME>ex992to13da110123011_060921.pdf
<DESCRIPTION>EX. 99.2 - JUNE 8 PRESENTATION
<TEXT>
Document 3 - file: ex992to13da110123011_060921.pdf

</DOCUMENT>
</SEC-DOCUMENT>