"why would they waste their rapidly evaporating funds?"
They've sponsored coctail hours, attending numerous dog and pony shows they pay for, they pay for coverage via investment advisory reports, they have attended various scientific conferences including past ASCO's and paid for a booth. They paid for the "Featured Company" designation.
We only have rapidly evaporating funds when the shares run out. When that happens they will just ask for approval for another RS. Wash, rinse, repeat.