Why ADTRAN Holdings, Inc. (ADTN) stock fell 19.4% on Tuesday, November 3, 2026

ADTRAN Holdings, Inc. (ADTN) closed at $5.06, down 19.43% on Tuesday, November 3, 2026, on volume of 4,389,037 shares (2.5× its 3-month average); market value about $400.0M.

What happened: primary sources

Events Nexqual found for ADTN on Tuesday, November 3, 2026 or the trading day before (November 2, 2026):

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 ADTN

ADTN stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 3, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 4, 2026 at 09:51 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 4, 2026 at 09:51 UTC. This page is informational and not investment advice.

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