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October 29, 2025 · earnings

FULC earnings: a negative outcome, -6.4%

On October 29, 2025, Fulcrum Therapeutics, Inc. reached its earnings. The result was a negative outcome, and the stock moved -6.4% in the window around the event. It had already run +6.3% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.

The move

$10.00
1d before
$9.36
Event day
$8.60
1d after
$9.02
5d after

Pre-catalyst setup

+6.3%
30-day run-up
6866%
30-day volatility
2.1×
volume spike