I'm guessing that most key players (Mira, Greg, Ilya, etc) negotiated deals last winter (if not before) that would ensure they kept their equity even if leaving

I'm guessing that most key players (Mira, Greg, Ilya, etc) negotiated deals last winter (if not before) that would ensure they kept their equity even if leaving, in return for letting Sam back in. Probably with some form of NDA attached.