Tenable Holdings Inc. (TENB) experienced a significant post-market surge of 5.48%, following the release of its fourth-quarter and full-year 2025 financial results after the closing bell.

The cybersecurity company's stock moved higher as it reported quarterly performance that exceeded market expectations. Tenable's Q4 revenue reached $260.53 million, surpassing the analyst consensus estimate of $251.7 million and representing an 11% year-over-year increase. Additionally, the company's adjusted earnings per share came in at $0.48, beating the $0.41 estimate.

Further bolstering investor sentiment was the company's announcement of a $150 million increase to its share repurchase authorization and positive forward guidance. Tenable provided an optimistic outlook for 2026, forecasting full-year revenue between $1.065 billion and $1.075 billion. Management attributed the strong performance to growing adoption of its Tenable One platform and the integration of artificial intelligence into its security solutions.