SNDX PDUFA decision: a negative outcome, -5.7%

On November 15, 2024, Syndax Pharmaceuticals, Inc. reached its PDUFA decision. The result was a negative outcome, and the stock moved -5.7% in the window around the event. It had already run -18.5% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.