CalciMedica is trading at $1.37, up 19.13% in after-hours trading; no direct cause for the move has been established. - No new company-specific announcement explaining the October 21 move was identified; the investor-relations press-release page lists its latest 2026 releases before that date. - Broader sentiment may have been supportive: the Nasdaq gained 1.07%, and a biotech ETF reached a 52-week high on October 21. - Trading volume was not provided.