STRO earnings: a negative outcome, -6.1%

On March 30, 2023, SUTRO BIOPHARMA, INC. reached its earnings. The result was a negative outcome, and the stock moved -6.1% in the window around the event. It had already run -16.7% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.