Compass Pathways is trading 4.1% down at $12.44 on September 30, 2026, with no clear catalyst identified.

  • The latest major company update was September 9 Phase 3 trial data; no new September 30 event surfaced in available search results.
  • The broader market is mixed, with the Nasdaq higher. Available information does not establish a direct connection between the decline and the macro backdrop.