I think he exercised the entire 18 million but has only distributed 10 so far, the notes from filing say.
"Remarks:
Represents shares transferred to a non-related third party in a non-cash transaction pursuant to a Settlement Agreement."
I am open to correction if I am miss reading this. I think your right though the next PR should have some exciting components.
LEGEND OF ABBREVIATIONS
B = Brilacidin, the antibiotic
K = Kevetrin, the oncology drug
P = Prurisol, the psoriasis drug
SAE = Serious Adverse Event
IND = Investigational New Drug