Shares of Five9 (NASDAQ: FIVN) surged 9.18% in after-hours trading on Thursday following the company's release of impressive second-quarter results and optimistic future guidance. The cloud software provider for contact centers not only beat analyst expectations but also announced key leadership changes, further bolstering investor confidence.

Five9 reported adjusted earnings per share of $0.76 for Q2, significantly surpassing the analyst consensus estimate of $0.65. This represents a 46.15% increase from the same period last year. The company's quarterly revenue reached a record $283.269 million, exceeding the analyst forecast of $275.189 million and marking a 12.37% year-over-year growth. Five9's CEO, Mike Burkland, expressed satisfaction with the results, stating they "exceeded our expectations across all key metrics."

Adding to the positive sentiment, Five9 provided an upbeat outlook for both the third quarter and full year 2025. The company projects Q3 adjusted EPS between $0.72 and $0.74, above the consensus of $0.70, and expects Q3 revenue in the range of $283.0 to $286.0 million. For the full year, Five9 forecasts adjusted EPS of $2.86 to $2.90 and revenue between $1.1435 and $1.1495 billion. In a separate announcement, the company revealed the appointment of Bryan Lee as the new Chief Financial Officer and disclosed CEO Mike Burkland's plans for future retirement, with Burkland set to transition to the role of Executive Chairman. These strategic moves, combined with the strong financial performance, appear to have fueled investor optimism, driving the stock's significant after-hours rally.