Five9 Posts 91% AI Growth, Cuts EPS Guidance
Five9 reported 91% AI subscription revenue growth in Q3 2026, yet management cut full-year adjusted EPS guidance on the same earnings call, sending shares down 21-25%. The disconnect between growth an
Five9 AI Revenue Surges 91%, EPS Guidance Cut
NEW YORK, November 7 —
Even as Five9, Inc. (FIVN) posted 91% AI subscription revenue growth in Q3 2026, management cut its full-year adjusted EPS guidance on the same call, sending shares down 21-25%. If that growth were translating into earnings power, the guidance would have moved the other way.
- AI subscription revenue grew 91% in Q3 2026; full-year 2026 adjusted EPS guidance cut simultaneously
- FIVN fell 21-25% on earnings day; now trades at $28.12, with consensus target at $36.90 and 14.6% short interest
- Net insider sales totaled $2.82M vs. $0 in purchases in the 90-day period ending late September; all executed above $28.12
The Cost Behind the Growth
Five9 sells cloud-native contact center software to banks, healthcare systems, retailers, and business process outsourcers, with AI agents, workflow automation, and workforce management tools that handle customer interactions across voice, chat, and digital channels. That AI subscription surge looks compelling until one asks what it costs to sustain. The Q3 2026 8-K disclosed a full-year EPS guidance cut on the same call, the inverse of operating leverage. DA Davidson cited acquisition concerns when cutting its price target, a capital allocation risk forward estimates had not priced. Truist and Wells Fargo also cut their targets. Three desks, three cuts, one day.
The Executives Who Sold the Top
Every open-market share sale disclosed by Five9 insiders in the 90 days ending late September 2026 was executed above the post-earnings price of $28.12. President Andy Dignan's largest transaction was 17,767 shares at $35.03 on August 28, 25% above today's price. CFO Bryan Lee sold 20,618 shares across four transactions at $32.60 to $33.52, totaling approximately $686,000. Net activity across the full disclosed executive roster stood at $2.82M in sales against zero purchases. Insiders executing planned sales above where a stock later trades is not necessarily predictive, but zero purchases alongside a uniform selling posture sharpens the question.
| Ticker | Mkt cap | Fwd P/E | 52-wk |
|---|---|---|---|
| FIVN | $2.1B | 7.3x | +72.1% |
| RNG | $6.0B | 13.0x | +176.0% |
| HUBS | $9.8B | 12.0x | -48.6% |
| BILL | $4.5B | 12.0x | +11.6% |
| ESTC | $9.0B | 21.8x | -6.5% |
| PAYC | $10.5B | 15.9x | +54.2% |
Structural Until Proven Otherwise
At a 7.3x forward P/E, Five9 appears inexpensive; run it through an intrinsic value model and institutional ownership at 107% of float confirms buyers see the same arithmetic. But cheap can get cheaper when the direction of profitability is unresolved. The data point that shifts the thesis is a Q4 call restoring the profit outlook with a bridge showing how the AI revenue acceleration funds it. Without that, the DA Davidson acquisition concern and uniform executive selling at $31 to $35 suggest the guidance cut is structural, not cyclical. Run the free Five9, Inc. deep-dive to track the Q4 setup.
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Frequently Asked Questions
What were Five9's Q3 2026 earnings highlights?
Five9 reported 91% AI subscription revenue growth in Q3 2026. However, management simultaneously cut its full-year adjusted EPS guidance on the same earnings call.
How did Five9 stock react to earnings?
Five9 fell 21-25% on earnings day and now trades at $28.12, compared to a consensus analyst target of $36.90. The stock carries 14.6% short interest.
Did Five9 insiders buy or sell stock before earnings?
All insider activity in the 90 days ending late September was selling. Net sales totaled $2.82 million, with zero purchases. CFO Bryan Lee sold 20,618 shares at $32.60 to $33.52, totaling approximately $686,000.
Why did analysts cut Five9's price targets?
DA Davidson, Truist, and Wells Fargo all cut their price targets following earnings. DA Davidson cited acquisition concerns as a capital allocation risk that forward estimates had not priced.
What products does Five9 sell?
Five9 sells cloud-native contact center software to banks, healthcare systems, retailers, and business process outsourcers. The platform includes AI agents, workflow automation, and workforce management tools for voice, chat, and digital channels.
Five9 reported a 91% surge in AI subscription revenue for Q3 2026 while simultaneously cutting its full-year adjusted EPS guidance, triggering a single-day stock decline of roughly 20–25%. The contradiction — explosive AI-driven growth alongside a deteriorating profit outlook and analyst concerns about an acquisition — has left investors trying to reconcile two signals pointing in opposite directions.