CalciMedica is trading 5% down in pre-market at $1.90 after extreme volatility following its 1-for-5 reverse stock split.
- CalciMedica closed September 1, 2026, at $2.00.
- September 2 coverage linked the weakness to the split, which was intended to support Nasdaq listing compliance.
- No new major company-specific announcement was identified overnight; broader markets are only modestly weaker.