EX-21 4 d652675dex21.htm EX-21 EX-21

Exhibit 21

Subsidiaries of Registrant

     State of
Jurisdiction
of
Organization		    Percentage
of Voting
Securities
Owned		  

IgDraSol, Inc.

    Delaware      100 % 

Sherrington Pharmaceuticals, Inc.

    Delaware      100 % 

Concortis Biosystems, Corp.

    Delaware      100 % 

Sorrento Therapeutics, Inc. Hong Kong Limited

    Hong Kong, China      100 % 

Ark Animal Therapeutics, Inc.

    Delaware      100 %