MGNX PDUFA decision: a positive outcome, -0.3%

On December 16, 2020, MacroGenics, Inc. reached its PDUFA decision. The result was a positive outcome, and the stock moved -0.3% in the window around the event. It had already run +12.8% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.