Why Tandem Diabetes Care, Inc. (TNDM) stock fell 8.9% intraday on Friday, November 6, 2026

Tandem Diabetes Care, Inc. (TNDM) traded at $16.38 as of 1:31 PM ET, down 8.95% on Friday, November 6, 2026, on volume of 2,913,273 shares (1.4× its 3-month average); market value about $1.10B.

TNDM 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 TNDM on Friday, November 6, 2026 or the trading day before (November 5, 2026):

• Nov 5, 2026: Reported Q3 2026 results: EPS −$0.10 vs consensus −$0.24 (beat), revenue $283.7M vs consensus $265.8M (beat). Guidance: Full-year 2026 sales are estimated to be approximately $1.065 billion to $1.085 billion. source
• Nov 6, 2026: Barclays: Target raised, Equal-Weight, price target $18 → $20
• Nov 6, 2026: Wells Fargo: Target lowered, Overweight, price target $27 → $25
• Nov 6, 2026: One of 6 Medical Devices stocks among the day's biggest losers (IRTC, AORT, QDEL, GMED, OFIX, TNDM), 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 TNDM

TNDM stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Earnings report: TNDM results, November 5, 2026. 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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