EX-21 5 a2234069zex-21.htm EX-21

Exhibit 21

 

SUBSIDIARIES OF THE REGISTRANT

 

Lung Bioengineering Inc., a Delaware corporation

 

Lung Biotechnology Hong Kong Limited, a Hong Kong company

 

Lung Biotechnology PBC, a Delaware public benefit corporation

 

Revivicor, Inc., a Delaware corporation

 

United Therapeutics Europe, Ltd., a company incorporated under the laws of England and Wales

 

Unither Biotech Inc., a Canadian corporation

 

Unither Bioelectronics, Inc., a Canadian corporation

 

Unither Pharma, LLC, a Delaware limited liability company

 

Unither Pharmaceuticals, LLC, a Delaware limited liability company

 

Unither Telmed, Ltd., a Delaware corporation

 

Unither Therapeutik GmbH, a German company

 

Unither.com, Inc., a Delaware corporation

 

UTASIA Inc., a Delaware corporation

 

1109 Spring Managing Holdings, LLC, a Delaware limited liability company

 

1109 Spring Managing Member, LLC, a Delaware limited liability company