<ACCESSION-NUMBER>0001410578-19-000593 <TYPE>8-K <PUBLIC-DOCUMENT-COUNT>13 <PERIOD>20190731 <ITEMS>2.02 <ITEMS>9.01 <FILING-DATE>20190731 <DATE-OF-FILING-DATE-CHANGE>20190731 <FILER> <COMPANY-DATA> <CONFORMED-NAME>UNITED THERAPEUTICS Corp <CIK>0001082554 <ASSIGNED-SIC>2834 <IRS-NUMBER>521984749 <STATE-OF-INCORPORATION>DE <FISCAL-YEAR-END>1231 </COMPANY-DATA> <FILING-VALUES> <FORM-TYPE>8-K <ACT>34 <FILE-NUMBER>000-26301 <FILM-NUMBER>19987242 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>1040 SPRING ST <CITY>SILVER SPRING <STATE>MD <ZIP>20910 <PHONE>3016089292 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>1040 SPRING ST <CITY>SILVER SPRING <STATE>MD <ZIP>20910 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>UNITED THERAPEUTICS CORP <DATE-CHANGED>19990324 </FORMER-COMPANY> </FILER>