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Search CatalystAlert
Search for companies, drugs, and catalysts
Search for companies, drugs, and catalysts
Search for companies, drugs, and catalysts
On April 30, 2026, Alto Neuroscience, Inc. reached its Phase 2 readout. The result was a positive outcome, and the stock moved +5.6% in the window around the event. It had already run +8.0% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.
CatalystAlert called this one up (+27.2% expected); the stock actually moved +5.6%. Model confidence at the time: 55%.
See the full scored track record