Cassandra, my guess based on personal experiences
Post# of 148292
My understanding is he sold shares to cover the expense associated with the production of Pro140/LL by Samsung Biologics.
He was accused of dumping...that was nonsense..but it made good/bad headlines for the shorts..i.e.FurSTAIN et al.
NP's possible share of the 5.5M shares...unresolved and a different discussion. As to the legitimacy of actions, IMO..ALL above board.
Best Regards
Sean