CalciMedica is trading 5.9% down at $2.19 after the 1-for-5 reverse stock split became effective at 5:00 p.m. ET on August 28, 2026.

  • Split-adjusted trading began August 31, 2026, at market open under the existing symbol.
  • The transaction reduced outstanding shares from approximately 34.5 million to 6.9 million and cut authorized shares from 500 million to 100 million.
  • Broader biotechnology weakness adds pressure; XBI is down 4.24% during regular trading, but split remains primary explanation.