Why Harmony Biosciences Holdings, Inc. (HRMY) stock fell 9.4% intraday on Wednesday, November 4, 2026

Harmony Biosciences Holdings, Inc. (HRMY) traded at $33.51 as of 9:51 AM ET, down 9.45% on Wednesday, November 4, 2026, on volume of 419,576 shares (0.4× its 3-month average); market value about $2.00B.

HRMY 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 HRMY on Wednesday, November 4, 2026 or the trading day before (November 3, 2026):

• Nov 4, 2026: Reported Q3 2026 results: EPS $0.81 vs consensus $1.47 (miss), revenue $268.9M vs consensus $272.1M (miss). Guidance: Reiterates full-year 2026 WAKIX net revenue guidance of $1.0 billion to $1.04 billion. source
• Nov 4, 2026: One of 5 Biotechnology stocks among the day's biggest losers (NRIX, URGN, HRMY, SNDX, CORT), with no comparable group among the biggest gainers

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 HRMY

HRMY stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Earnings report: HRMY results, November 4, 2026. Other big moves that day: November 4, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:46 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:46 UTC. This page is informational and not investment advice.

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