Birchtech Reports 19.8% YoY Q4 Product Revenue Growth, Improves Net Loss by $0.8 Million, and Initiates Collection Activities on $78 Million Final Judgment.

Birchtech Corp. reported a 19.8% YoY increase in Q4 2025 product revenues, with a net loss that improved by $0.8 million. The company also received a final judgment of $78 million in a patent infringement case and uplisted to the NYSE American in February 2026, raising $16.6 million. Birchtech introduced its SEA-IX line of ion exchange resins for water treatment and secured $0.9 million in purchase orders from a mid-Atlantic power utility.