Krystal Biotech is trading 7.02% higher at $365.75 after closing at $341.75 on September 23, 2026; no company-specific catalyst for the after-hours gain was identified.

  • No September 23 company announcement, earnings release, regulatory decision, or analyst action explaining the move was identified.
  • Recent coverage references the September 10 Cantor conference and earlier analyst price-target increases. The broader market declined, which does not clearly explain the opposite-direction move.