Why COMPASS Pathways plc (CMPS) stock fell 27.3% on Monday, November 2, 2026

COMPASS Pathways plc (CMPS) closed at $8.41, down 27.31% on Monday, November 2, 2026, on volume of 16,750,403 shares (6.3× its 3-month average); market value about $1.20B.

What happened

Nexqual found no SEC filing, earnings release, analyst rating change or insider trade for CMPS on Monday, November 2, 2026 or October 30, 2026. The move may reflect news, sector or market moves, or trading flows that these sources do not capture.

More on CMPS

CMPS stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 2, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 4, 2026 at 10:46 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 4, 2026 at 10:46 UTC. This page is informational and not investment advice.

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