May 6, 2026 · Data Readout
RGNX Data Readout: a negative outcome, -37.8%
-37.8%REGENXBIO Inc. (RGNX) →
On May 6, 2026, REGENXBIO Inc. reached its Data Readout. The result was a negative outcome, and the stock moved -37.8% in the window around the event. It had already run +8.4% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.
The move
$10.04
1d before
$6.25
Event day
$5.72
1d after
$5.66
5d after
Our prediction vs. the result
CatalystAlert called this one up (+12.4% expected); the stock actually moved -37.8%. Model confidence at the time: 55%.
See the full scored track recordPre-catalyst setup
+8.4%
30-day run-up
5759%
30-day volatility
2.3×
volume spike