Five9, Inc. 2025 Annual Report (10-K) Summary
Business Context and Reporting Period
This filing is the Annual Report on Form 10-K for Five9, Inc. for the fiscal year ended December 31, 2025. Five9 is a leading provider of an intelligent customer experience (CX) platform for enterprise contact centers, operating on a Software-as-a-Service (SaaS) model. The company is transitioning from a cloud-native solution to an AI-native platform powered by its "Genius AI" suite. As of December 31, 2025, Five9 served more than 3,000 customers globally, with 89% of revenue derived from the United States.
Key Financial Metrics
| Metric | 2025 | 2024 | Change |
|---|---|---|---|
| Revenue | $1,149.1 million | $1,041.9 million | +10% |
| Net Income (Loss) | $39.4 million | $(12.8) million | Turned Profitable |
| Gross Margin | 55% | 54% | +100 bps |
| Operating Income (Loss) | $28.9 million | $(51.3) million | Significant Improvement |
| Adjusted EBITDA | $269.7 million | $196.0 million | +38% |
| Annual Dollar-Based Retention Rate | 105% | 108% | -300 bps |
| Cash and Cash Equivalents | $232.1 million | $362.5 million | Decrease |
| Marketable Investments | $464.8 million | $643.4 million | Decrease |
| Convertible Senior Notes Outstanding | $747.5 million (2029 Notes) | $747.5 million (2025 Notes) | Refinanced |
Liquidity: As of December 31, 2025, the company held $696.9 million in cash, cash equivalents, and marketable investments. Working capital was $746.7 million.
Material Changes vs. Prior Period
- Profitability: The company achieved a net income of $39.4 million in 2025, reversing a net loss of $12.8 million in 2024. This shift was driven by disciplined expense management, particularly in stock-based compensation, and revenue growth.
- Debt Restructuring: The 2025 convertible senior notes ($747.5 million principal) matured on June 1, 2025, and were settled in cash. In March 2024, the company issued new 2029 convertible senior notes ($747.5 million principal) at a 1.00% interest rate to refinance the debt.
- Restructuring: The company executed two reduction-in-force plans. The 2024 Plan (6% headcount reduction) incurred $9.6 million in costs. The 2025 Plan (4% headcount reduction) incurred $7.9 million in cash costs and $2.1 million in stock-based compensation costs.
- Acquisitions: In August 2024, Five9 acquired Acqueon for approximately $173.8 million to enhance outbound capabilities and AI-powered engagement.
- Share Repurchases: In November 2025, the company initiated an Accelerated Share Repurchase (ASR) program, spending $50.0 million to repurchase shares. As of year-end, $100.0 million remained available under the $150.0 million 2025 Repurchase Program.
Guidance, Outlook, and Risks
Outlook: Management expects net income to remain positive in 2026. The company is prioritizing investments in AI and strategic areas to drive profitable growth. Gross margins are expected to increase in the long term as revenue growth outpaces investments in professional services and infrastructure.
Key Risks and Contingencies:
- AI Transition Risk: As AI solutions perform more contact center interactions, there is a risk that license revenue from human agents will decrease. The company must successfully replace this with revenue from AI solutions.
- Macroeconomic Conditions: Continued inflation, high interest rates, and global conflicts may reduce demand and delay sales cycles, particularly in the installed base.
- Regulatory Compliance: The company faces significant regulatory risks related to telecommunications (FCC, USF contributions), data privacy (GDPR, CCPA), and AI regulations (EU AI Act). There is an unresolved dispute with the FCC regarding USF contributions from 2003-2007.
- Legal Proceedings: A putative securities class action lawsuit was filed in December 2024 alleging violations of the Securities Exchange Act. The company intends to vigorously defend the action, but the outcome is uncertain.
- Debt Service: The company must service $747.5 million in 2029 convertible senior notes. Failure to generate sufficient cash flow could impact liquidity.
Investor Verification Checklist
- AI Revenue Mix: Verify the specific revenue contribution from AI solutions versus traditional license fees to assess the success of the transition strategy.
- Retention Trends: Monitor the Annual Dollar-Based Retention Rate, which declined to 105% in 2025, to ensure customer churn does not accelerate.
- Debt Maturity: Confirm the company's ability to service the 2029 convertible notes and manage potential conversion dilution.
- Legal Exposure: Track the status of the securities class action lawsuit and the FCC USF dispute for potential financial impact.
- Operating Leverage: Assess whether the cost reductions from the 2024 and 2025 restructuring plans are sustaining the improved operating margins in 2026.