<SEC-DOCUMENT>0001104659-21-124222-index.html : 20211007 <SEC-HEADER>0001104659-21-124222.hdr.sgml : 20211007 <ACCEPTANCE-DATETIME>20211007170034 ACCESSION NUMBER: 0001104659-21-124222 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20211007 DATE AS OF CHANGE: 20211007 GROUP MEMBERS: MARK J. PENN GROUP MEMBERS: STAGWELL FRIENDS & FAMILY LLC GROUP MEMBERS: STAGWELL GROUP LLC GROUP MEMBERS: STAGWELL MEDIA LP SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Stagwell Inc CENTRAL INDEX KEY: 0000876883 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ADVERTISING AGENCIES [7311] IRS NUMBER: 980364441 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-53561 FILM NUMBER: 211312939 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 Stagwell Holdings Inc DATE OF NAME CHANGE: 20210729 FORMER COMPANY: FORMER CONFORMED NAME: MDC PARTNERS INC DATE OF NAME CHANGE: 20040206 FORMER COMPANY: FORMER CONFORMED NAME: MDC CORP INC DATE OF NAME CHANGE: 20001204 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Stagwell Agency Holdings LLC CENTRAL INDEX KEY: 0001771728 IRS NUMBER: 833870147 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: 1808 I STREENET, NW STREET 2: 6TH FLOOR CITY: WASHINGTON STATE: DC ZIP: 20006 BUSINESS PHONE: 9177652638 MAIL ADDRESS: STREET 1: 1808 I STREENET, NW STREET 2: 6TH FLOOR CITY: WASHINGTON STATE: DC ZIP: 20006 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13D/A <SEQUENCE>1 <FILENAME>tm2129462d1_sc13da.htm <DESCRIPTION>SC 13D/A <TEXT> Document 1 - file: tm2129462d1_sc13da.htm
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