Antero Resources Corporation's stock surged 5.67% in after-hours trading following the release of its fourth-quarter 2025 financial results. The energy company reported quarterly sales of $1.412 billion, significantly surpassing analyst estimates of $1.303 billion.

The sales figure represents a 20.79% increase compared to the same period last year. While the company's adjusted earnings per share of $0.43 missed the consensus estimate of $0.50, investors appeared to focus on the substantial revenue beat and the company's reported net income of $194 million, which marked a 29% year-over-year increase.

Antero Resources also reported adjusted free cash flow of $204 million for the quarter. The mixed earnings report, highlighted by stronger-than-expected sales performance, prompted positive investor sentiment in extended trading hours.