BCHT

Birchtech is a $17.6M-revenue specialty activated-carbon micro-cap whose fundamentals have gone nowhere for five years (revenue $13.0M→$21.6M→$17.6M→$17.4M→$17.6M) while the bottom line stays red. FY2025 net income was -$3.03M and operating margin -17.2%; the only profitable year (FY2023, +$5.67M) was driven by patent-litigation settlements, not operations. Book equity is now negative (-$1.71M) against a -$75.8M accumulated deficit, current assets ($5.00M) are less than half of current liabilities ($10.7M), and cash has fallen 35% to $2.25M. That is a balance sheet under stress, not one funding a turnaround.

The regulatory pillar under the core business is being actively pulled out. Management concedes the U.S. mercury-removal market 'has largely been driven by federal regulations' (MATS). The 10-K then discloses that on April 8, 2025 the President exempted 47 plant owners and 60+ power plants — 'which list includes a number of our customers' — from the updated MATS rule for July 2027–2029, and that in June 2025 the EPA proposed to repeal MATS outright. A demand base that only exists because regulation forces it is precisely the base now being deregulated, so the forward picture for the mercury franchise is worse than the flat revenue line suggests.