<SEC-DOCUMENT>0001104659-21-144459-index.html : 20211129 <SEC-HEADER>0001104659-21-144459.hdr.sgml : 20211129 <ACCEPTANCE-DATETIME>20211129163042 ACCESSION NUMBER: 0001104659-21-144459 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211124 FILED AS OF DATE: 20211129 DATE AS OF CHANGE: 20211129 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ROTHBLATT MARTINE A CENTRAL INDEX KEY: 0001106578 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-26301 FILM NUMBER: 211456594 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: UNITED THERAPEUTICS Corp CENTRAL INDEX KEY: 0001082554 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 521984749 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1040 SPRING ST CITY: SILVER SPRING STATE: MD ZIP: 20910 BUSINESS PHONE: 3016089292 MAIL ADDRESS: STREET 1: 1040 SPRING ST CITY: SILVER SPRING STATE: MD ZIP: 20910 FORMER COMPANY: FORMER CONFORMED NAME: UNITED THERAPEUTICS CORP DATE OF NAME CHANGE: 19990324 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm2134069-1_4seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2134069-1_4seq1.html
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