"These hurdles, assessed over a six-monthreporting periods ending June or December, required the following: - Class A: $2.5mn revenue for full vesting; - Class B: $3.75mn revenue for full vesting; - Class C: $5mn revenue for full vesting."
"As graph 1 shows, all the revenue targets were met for the first time in the June 2018 reportingperiod, the last time the targets could be assessed, with the Class C hurdle only barely met."
As for opaqueness,
This 3Y clarification wouldn't have needed releasing if there had been none:
