August 26, 2021 · regulatory event
BMRN regulatory event: an FDA approval, +6.4%
On August 26, 2021, Voxzogo — BioMarin Pharmaceutical Inc. (Achondroplasia) reached its regulatory event. The result was an FDA approval, and the stock moved +6.4% in the window around the event. It had already run -5.2% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.
The move
$78.52
1d before
$78.82
Event day
$83.51
1d after
$84.21
5d after
Pre-catalyst setup
-5.2%
30-day run-up
1822%
30-day volatility
0.9×
volume spike
