NBIX has stated that they will wait until both meetings have taken place before they make any announcement regarding the outcomes. There are reasons to speak immediately, and NBIX may change their minds, but I think they'll stick to their plan to wait.
According to the latest information, the IR meeting will take place in August and MR in September, though analysts have stated that October is also a possibility.
NoBuddy
News 
Market Data 
Discover 
