"an arm of Soon-Shiong's NantWorks empire" Soooooo many options for KEYO, 11 companies and counting that can be tracking stocks, APO, RM, RTM, etc. getting very exciting around here !! http://www.fiercebiotech.com/story/soon-shiongs-nantworks-deepens-its-immuno-oncology-ties-sorrento/2015-03-17