Why Verastem, Inc. (VSTM) stock fell 9.3% intraday on Friday, November 6, 2026

Verastem, Inc. (VSTM) traded at $8.51 as of 3:31 PM ET, down 9.28% on Friday, November 6, 2026, on volume of 5,455,063 shares (1.6× its 3-month average); market value about $1.00B.

VSTM was among the stocks moving 5% or more in an earlier update that day; by the close it was no longer moving that much.

What happened: primary sources

Events Nexqual found for VSTM on Friday, November 6, 2026 or the trading day before (November 5, 2026):

• Nov 5, 2026: SEC 8-K: Regulation FD disclosure source
• Nov 5, 2026: SEC 10-Q: Quarterly report, period ended Sep 30, 2026 source
• Nov 6, 2026: RBC Capital: Target lowered, Outperform, price target $19 → $18
• Nov 6, 2026: HC Wainwright & Co.: Target raised, Buy, price target $18 → $20
• Nov 3, 2026: Form 4: Paterson Dan (President and CEO) sold 1,299 shares ($12,470) under a Rule 10b5-1 plan source

These are listed as context. A filing or rating change on the same day is not proof that it caused the move; read the source.

More on VSTM

VSTM stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 6, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:31 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:31 UTC. This page is informational and not investment advice.

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