Amprius Technologies Inc. (NYSE: AMPX) shares surged 5.10% in pre-market trading on Thursday, driven by the company's release of better-than-expected fourth-quarter financial results and an optimistic outlook for 2026.

The battery technology firm reported adjusted earnings per share of $(0.01) for Q4 2025, beating the analyst consensus estimate of $(0.04). Revenue soared 137% year-over-year to $25.2 million, surpassing expectations of $23.0 million. The quarter also marked a significant improvement in profitability, with gross margin reaching 24% and the company achieving its first positive non-GAAP adjusted EBITDA of $1.8 million.

Looking ahead, Amprius provided strong guidance for 2026, forecasting revenue growth of at least 70% to $125 million or more, with net loss expected to be below $8 million and positive non-GAAP adjusted EBITDA of at least $4 million. The company also highlighted recent business developments including expanded defense contracts and new manufacturing partnerships to scale production of its silicon anode batteries.