Listed

Birchtech Corp.

BCHTNYSECIK 728385TechnologyFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$3.8m, Q2 FY2026
Operating income−$1.6m, Q2 FY2026
Net income−$3.0m, Q2 FY2026
Birchtech Corp., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$k6,747Revenue, Q3 FY2023, three months to 2023-09-30$6.7m. XBRL concept us-gaap:Revenues. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure3,754Revenue, Q4 FY2023, three months to 2023-12-31$3.8m. XBRL concept us-gaap:Revenues. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure3,242Revenue, Q1 FY2024, three months to 2024-03-31$3.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure3,361Revenue, Q2 FY2024, three months to 2024-06-30$3.4m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure5,237Revenue, Q3 FY2024, three months to 2024-09-30$5.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure5,566Revenue, Q4 FY2024, three months to 2024-12-31$5.6m. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure3,221Revenue, Q1 FY2025, three months to 2025-03-31$3.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure3,254Revenue, Q2 FY2025, three months to 2025-06-30$3.3m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure7,362Revenue, Q3 FY2025, three months to 2025-09-30$7.4m. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure3,790Revenue, Q4 FY2025, three months to 2025-12-31$3.8m. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure4,240Revenue, Q1 FY2026, three months to 2026-03-31$4.2m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure3,791Revenue, Q2 FY2026, three months to 2026-06-30$3.8m. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Cost of revenue$k4,472Cost of revenue, Q3 FY2023, three months to 2023-09-30$4.5m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure3,054Cost of revenue, Q4 FY2023, three months to 2023-12-31$3.1m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure2,113Cost of revenue, Q1 FY2024, three months to 2024-03-31$2.1m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure2,301Cost of revenue, Q2 FY2024, three months to 2024-06-30$2.3m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure3,642Cost of revenue, Q3 FY2024, three months to 2024-09-30$3.6m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure2,249Cost of revenue, Q4 FY2024, three months to 2024-12-31$2.2m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure1,987Cost of revenue, Q1 FY2025, three months to 2025-03-31$2.0m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure2,286Cost of revenue, Q2 FY2025, three months to 2025-06-30$2.3m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure3,330Cost of revenue, Q3 FY2025, three months to 2025-09-30$3.3m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure2,623Cost of revenue, Q4 FY2025, three months to 2025-12-31$2.6m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure2,857Cost of revenue, Q1 FY2026, three months to 2026-03-31$2.9m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure2,758Cost of revenue, Q2 FY2026, three months to 2026-06-30$2.8m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Gross profit$k2,275Gross profit, Q3 FY2023, three months to 2023-09-30$2.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure700Gross profit, Q4 FY2023, three months to 2023-12-31$699.5k. XBRL concept us-gaap:GrossProfit. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure1,128Gross profit, Q1 FY2024, three months to 2024-03-31$1.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure1,061Gross profit, Q2 FY2024, three months to 2024-06-30$1.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure1,595Gross profit, Q3 FY2024, three months to 2024-09-30$1.6m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure3,317Gross profit, Q4 FY2024, three months to 2024-12-31$3.3m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure1,234Gross profit, Q1 FY2025, three months to 2025-03-31$1.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure968Gross profit, Q2 FY2025, three months to 2025-06-30$968.1k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure4,032Gross profit, Q3 FY2025, three months to 2025-09-30$4.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure1,167Gross profit, Q4 FY2025, three months to 2025-12-31$1.2m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure1,383Gross profit, Q1 FY2026, three months to 2026-03-31$1.4m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure1,033Gross profit, Q2 FY2026, three months to 2026-06-30$1.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Research and development$knot reportednot reported0.0Research and development, Q1 FY2024, three months to 2024-03-31$0. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure0.0Research and development, Q2 FY2024, three months to 2024-06-30$0. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure0.0Research and development, Q3 FY2024, three months to 2024-09-30$0. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure0.0Research and development, Q4 FY2024, three months to 2024-12-31$0. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure407Research and development, Q1 FY2025, three months to 2025-03-31$406.7k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure455Research and development, Q2 FY2025, three months to 2025-06-30$455.5k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure473Research and development, Q3 FY2025, three months to 2025-09-30$473.3k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure470Research and development, Q4 FY2025, three months to 2025-12-31$469.7k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure551Research and development, Q1 FY2026, three months to 2026-03-31$550.6k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure587Research and development, Q2 FY2026, three months to 2026-06-30$587.4k. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Selling, general and administrative$k2,459Selling, general and administrative, Q3 FY2023, three months to 2023-09-30$2.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure8,047Selling, general and administrative, Q4 FY2023, three months to 2023-12-31$8.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure3,527Selling, general and administrative, Q1 FY2024, three months to 2024-03-31$3.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure4,634Selling, general and administrative, Q2 FY2024, three months to 2024-06-30$4.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure2,702Selling, general and administrative, Q3 FY2024, three months to 2024-09-30$2.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure3,353Selling, general and administrative, Q4 FY2024, three months to 2024-12-31$3.4m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure2,171Selling, general and administrative, Q1 FY2025, three months to 2025-03-31$2.2m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure1,698Selling, general and administrative, Q2 FY2025, three months to 2025-06-30$1.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure2,748Selling, general and administrative, Q3 FY2025, three months to 2025-09-30$2.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure1,960Selling, general and administrative, Q4 FY2025, three months to 2025-12-31$2.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure1,981Selling, general and administrative, Q1 FY2026, three months to 2026-03-31$2.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure2,068Selling, general and administrative, Q2 FY2026, three months to 2026-06-30$2.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Operating income$k(184)Operating income, Q3 FY2023, three months to 2023-09-30−$183.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure(7,567)Operating income, Q4 FY2023, three months to 2023-12-31−$7.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure(2,398)Operating income, Q1 FY2024, three months to 2024-03-31−$2.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure(3,574)Operating income, Q2 FY2024, three months to 2024-06-30−$3.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure(1,107)Operating income, Q3 FY2024, three months to 2024-09-30−$1.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(78.8)Operating income, Q4 FY2024, three months to 2024-12-31−$78.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(1,343)Operating income, Q1 FY2025, three months to 2025-03-31−$1.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(1,185)Operating income, Q2 FY2025, three months to 2025-06-30−$1.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure811Operating income, Q3 FY2025, three months to 2025-09-30$810.8k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(1,313)Operating income, Q4 FY2025, three months to 2025-12-31−$1.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(1,149)Operating income, Q1 FY2026, three months to 2026-03-31−$1.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(1,623)Operating income, Q2 FY2026, three months to 2026-06-30−$1.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Interest expense$k344Interest expense, Q3 FY2023, three months to 2023-09-30$344.2k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure343Interest expense, Q4 FY2023, three months to 2023-12-31$343.2k. XBRL concept us-gaap:InterestExpense. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure246Interest expense, Q1 FY2024, three months to 2024-03-31$245.8k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure5.8Interest expense, Q2 FY2024, three months to 2024-06-30$5.8k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure7.4Interest expense, Q3 FY2024, three months to 2024-09-30$7.4k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure8.5Interest expense, Q4 FY2024, three months to 2024-12-31$8.5k. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure0.1Interest expense, Q1 FY2025, three months to 2025-03-31$54. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure0.0Interest expense, Q2 FY2025, three months to 2025-06-30$0. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure0.0Interest expense, Q3 FY2025, three months to 2025-09-30$0. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure13.6Interest expense, Q4 FY2025, three months to 2025-12-31$13.6k. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure0.0Interest expense, Q1 FY2026, three months to 2026-03-31$0. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure0.0Interest expense, Q2 FY2026, three months to 2026-06-30$0. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Income tax$k0.0Income tax, Q3 FY2023, three months to 2023-09-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure473Income tax, Q4 FY2023, three months to 2023-12-31$473.2k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure0.0Income tax, Q1 FY2024, three months to 2024-03-31$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure0.3Income tax, Q2 FY2024, three months to 2024-06-30$346. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure(294)Income tax, Q3 FY2024, three months to 2024-09-30−$294.2k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure4.7Income tax, Q4 FY2024, three months to 2024-12-31$4.7k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure14.1Income tax, Q1 FY2025, three months to 2025-03-31$14.1k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure0.4Income tax, Q2 FY2025, three months to 2025-06-30$409. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure0.6Income tax, Q3 FY2025, three months to 2025-09-30$629. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure54.9Income tax, Q4 FY2025, three months to 2025-12-31$54.9k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure0.4Income tax, Q1 FY2026, three months to 2026-03-31$357. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure3.4Income tax, Q2 FY2026, three months to 2026-06-30$3.4k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Net income$k(828)Net income, Q3 FY2023, three months to 2023-09-30−$827.5k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure8,707Net income, Q4 FY2023, three months to 2023-12-31$8.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure(2,855)Net income, Q1 FY2024, three months to 2024-03-31−$2.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(6,147)Net income, Q2 FY2024, three months to 2024-06-30−$6.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(458)Net income, Q3 FY2024, three months to 2024-09-30−$457.5k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(1,343)Net income, Q4 FY2024, three months to 2024-12-31−$1.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(1,679)Net income, Q1 FY2025, three months to 2025-03-31−$1.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure(1,542)Net income, Q2 FY2025, three months to 2025-06-30−$1.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure788Net income, Q3 FY2025, three months to 2025-09-30$788.0k. XBRL concept us-gaap:ProfitLoss. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(593)Net income, Q4 FY2025, three months to 2025-12-31−$592.9k. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(1,346)Net income, Q1 FY2026, three months to 2026-03-31−$1.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure(3,017)Net income, Q2 FY2026, three months to 2026-06-30−$3.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Diluted EPS$ per sharenot reportednot reported(0.03)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$0.03 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure(0.07)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.07 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure0.00Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figurenot reported(0.09)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.09 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(0.08)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.08 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure0.01Diluted EPS, Q3 FY2025, three months to 2025-09-30$0.01 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figurenot reported(0.06)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.06 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(0.11)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.11 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Basic EPS$ per sharenot reportednot reportednot reportednot reported0.00Basic EPS, Q3 FY2024, three months to 2024-09-30$0.00 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figurenot reportednot reportednot reported0.01Basic EPS, Q3 FY2025, three months to 2025-09-30$0.01 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figurenot reportednot reportednot reported

Balance sheet

Cash and equivalents$11.8m, Q2 FY2026
Shareholders' equity$8.2m, Q2 FY2026
Birchtech Corp., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m2.5Cash and equivalents, Q3 FY2023, at 2023-09-30$2.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure20.9Cash and equivalents, FY2023, at 2023-12-31$20.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure11.2Cash and equivalents, Q1 FY2024, at 2024-03-31$11.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure8.4Cash and equivalents, Q2 FY2024, at 2024-06-30$8.4m. XBRL concept us-gaap:Cash. 10-Q filed 2024-08-12, accession 0001477932-24-004672.Report this figure4.4Cash and equivalents, Q3 FY2024, at 2024-09-30$4.4m. XBRL concept us-gaap:Cash. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure3.5Cash and equivalents, FY2024, at 2024-12-31$3.5m. XBRL concept us-gaap:Cash. 10-K filed 2025-03-31, accession 0001477932-25-002237.Report this figure3.2Cash and equivalents, Q1 FY2025, at 2025-03-31$3.2m. XBRL concept us-gaap:Cash. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure1.5Cash and equivalents, Q2 FY2025, at 2025-06-30$1.5m. XBRL concept us-gaap:Cash. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure1.8Cash and equivalents, Q3 FY2025, at 2025-09-30$1.8m. XBRL concept us-gaap:Cash. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure2.2Cash and equivalents, FY2025, at 2025-12-31$2.2m. XBRL concept us-gaap:Cash. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure14.7Cash and equivalents, Q1 FY2026, at 2026-03-31$14.7m. XBRL concept us-gaap:Cash. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure11.8Cash and equivalents, Q2 FY2026, at 2026-06-30$11.8m. XBRL concept us-gaap:Cash. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Current assets$m6.1Current assets, Q3 FY2023, at 2023-09-30$6.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure25.0Current assets, FY2023, at 2023-12-31$25.0m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-03-31, accession 0001477932-25-002237.Report this figure13.7Current assets, Q1 FY2024, at 2024-03-31$13.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure11.3Current assets, Q2 FY2024, at 2024-06-30$11.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-12, accession 0001477932-24-004672.Report this figure7.6Current assets, Q3 FY2024, at 2024-09-30$7.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure6.1Current assets, FY2024, at 2024-12-31$6.1m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure5.2Current assets, Q1 FY2025, at 2025-03-31$5.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure4.6Current assets, Q2 FY2025, at 2025-06-30$4.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure6.0Current assets, Q3 FY2025, at 2025-09-30$6.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure5.0Current assets, FY2025, at 2025-12-31$5.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure17.7Current assets, Q1 FY2026, at 2026-03-31$17.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure15.8Current assets, Q2 FY2026, at 2026-06-30$15.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Total assets$m9.7Total assets, Q3 FY2023, at 2023-09-30$9.7m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure28.3Total assets, FY2023, at 2023-12-31$28.3m. XBRL concept us-gaap:Assets. 10-K filed 2025-03-31, accession 0001477932-25-002237.Report this figure17.1Total assets, Q1 FY2024, at 2024-03-31$17.1m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure14.7Total assets, Q2 FY2024, at 2024-06-30$14.7m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-12, accession 0001477932-24-004672.Report this figure11.7Total assets, Q3 FY2024, at 2024-09-30$11.7m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure10.3Total assets, FY2024, at 2024-12-31$10.3m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure9.3Total assets, Q1 FY2025, at 2025-03-31$9.3m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure8.6Total assets, Q2 FY2025, at 2025-06-30$8.6m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure10.1Total assets, Q3 FY2025, at 2025-09-30$10.1m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure9.2Total assets, FY2025, at 2025-12-31$9.2m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure21.4Total assets, Q1 FY2026, at 2026-03-31$21.4m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure19.4Total assets, Q2 FY2026, at 2026-06-30$19.4m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Current liabilities$m4.4Current liabilities, Q3 FY2023, at 2023-09-30$4.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure2.2Current liabilities, FY2023, at 2023-12-31$2.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-03-31, accession 0001477932-25-002237.Report this figure5.4Current liabilities, Q1 FY2024, at 2024-03-31$5.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure6.5Current liabilities, Q2 FY2024, at 2024-06-30$6.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-12, accession 0001477932-24-004672.Report this figure4.0Current liabilities, Q3 FY2024, at 2024-09-30$4.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure8.8Current liabilities, FY2024, at 2024-12-31$8.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure9.5Current liabilities, Q1 FY2025, at 2025-03-31$9.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure10.3Current liabilities, Q2 FY2025, at 2025-06-30$10.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure11.1Current liabilities, Q3 FY2025, at 2025-09-30$11.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure10.7Current liabilities, FY2025, at 2025-12-31$10.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure10.0Current liabilities, Q1 FY2026, at 2026-03-31$10.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure11.1Current liabilities, Q2 FY2026, at 2026-06-30$11.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Total liabilities$m19.5Total liabilities, Q3 FY2023, at 2023-09-30$19.5m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure28.3Total liabilities, FY2023, at 2023-12-31$28.3m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-03-31, accession 0001477932-25-002237.Report this figure8.8Total liabilities, Q1 FY2024, at 2024-03-31$8.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-15, accession 0001477932-24-003003.Report this figure12.5Total liabilities, Q2 FY2024, at 2024-06-30$12.5m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-12, accession 0001477932-24-004672.Report this figure9.7Total liabilities, Q3 FY2024, at 2024-09-30$9.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure9.1Total liabilities, FY2024, at 2024-12-31$9.1m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure9.7Total liabilities, Q1 FY2025, at 2025-03-31$9.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure10.5Total liabilities, Q2 FY2025, at 2025-06-30$10.5m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure11.3Total liabilities, Q3 FY2025, at 2025-09-30$11.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure11.0Total liabilities, FY2025, at 2025-12-31$11.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure10.2Total liabilities, Q1 FY2026, at 2026-03-31$10.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure11.3Total liabilities, Q2 FY2026, at 2026-06-30$11.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure
Short-term borrowings$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Shareholders' equity$m(9.9)Shareholders' equity, Q3 FY2023, at 2023-09-30−$9.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-14, accession 0001477932-24-007130.Report this figure0.1Shareholders' equity, FY2023, at 2023-12-31$60.4k. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-31, accession 0001477932-26-001835.Report this figure8.8Shareholders' equity, Q1 FY2024, at 2024-03-31$8.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure2.8Shareholders' equity, Q2 FY2024, at 2024-06-30$2.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure2.5Shareholders' equity, Q3 FY2024, at 2024-09-30$2.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure1.2Shareholders' equity, FY2024, at 2024-12-31$1.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure(0.4)Shareholders' equity, Q1 FY2025, at 2025-03-31−$426.8k. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure(1.9)Shareholders' equity, Q2 FY2025, at 2025-06-30−$1.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure(1.1)Shareholders' equity, Q3 FY2025, at 2025-09-30−$1.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure(1.7)Shareholders' equity, FY2025, at 2025-12-31−$1.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure11.2Shareholders' equity, Q1 FY2026, at 2026-03-31$11.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure8.2Shareholders' equity, Q2 FY2026, at 2026-06-30$8.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure

Cash flow

Operating cash flow−$2.8m, Q2 FY2026
Capital expenditure$122.2k, Q2 FY2026
Birchtech Corp., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m0.6Operating cash flow, Q3 FY2023, three months to 2023-09-30$553.7k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-14, accession 0001477932-24-007130. Derived: 9-month figure less the 6-month figure.Report this figure18.4Operating cash flow, Q4 FY2023, three months to 2023-12-31$18.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure(0.4)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$439.2k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure(2.7)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$2.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-14, accession 0001477932-25-005905. Derived: 6-month figure less the 3-month figure.Report this figure(0.2)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$152.2k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-13, accession 0001477932-25-008185. Derived: 9-month figure less the 6-month figure.Report this figure(0.8)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$830.4k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(0.3)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$254.3k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(1.7)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$1.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-13, accession 0001477932-26-004988. Derived: 6-month figure less the 3-month figure.Report this figure0.3Operating cash flow, Q3 FY2025, three months to 2025-09-30$321.3k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-13, accession 0001477932-25-008185. Derived: 9-month figure less the 6-month figure.Report this figure1.0Operating cash flow, Q4 FY2025, three months to 2025-12-31$964.4k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure(2.2)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$2.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure(2.8)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$2.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-13, accession 0001477932-26-004988. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.0Capital expenditure, Q3 FY2023, three months to 2023-09-30$2.7k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-14, accession 0001477932-24-007130. Derived: 9-month figure less the 6-month figure.Report this figure(0.0)Capital expenditure, Q4 FY2023, three months to 2023-12-31−$2.7k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-31, accession 0001477932-25-002237. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2024, three months to 2024-03-31$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure0.1Capital expenditure, Q2 FY2024, three months to 2024-06-30$66.3k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-08-14, accession 0001477932-25-005905. Derived: 6-month figure less the 3-month figure.Report this figure0.6Capital expenditure, Q3 FY2024, three months to 2024-09-30$635.8k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-13, accession 0001477932-25-008185. Derived: 9-month figure less the 6-month figure.Report this figure0.1Capital expenditure, Q4 FY2024, three months to 2024-12-31$107.4k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2025, three months to 2025-03-31$14.2k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure0.0Capital expenditure, Q2 FY2025, three months to 2025-06-30$2.1k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-13, accession 0001477932-26-004988. Derived: 6-month figure less the 3-month figure.Report this figure0.0Capital expenditure, Q3 FY2025, three months to 2025-09-30$7.1k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-13, accession 0001477932-25-008185. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2025, three months to 2025-12-31$5.9k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-31, accession 0001477932-26-001835. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2026, three months to 2026-03-31$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure0.1Capital expenditure, Q2 FY2026, three months to 2026-06-30$122.2k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-13, accession 0001477932-26-004988. Derived: 6-month figure less the 3-month figure.Report this figure

Shares

Diluted shares (weighted)26.31m, Q2 FY2026
Birchtech Corp., shares, quarterly
Line itemUnitQ1 FY20182018-03-31Q1 FY20192019-03-31Q3 FY20222022-09-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares75.9Diluted shares (weighted), Q1 FY2018, three months to 2018-03-3175,933,613 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2019-05-15, accession 0001477932-19-002822.Report this figure76.3Diluted shares (weighted), Q1 FY2019, three months to 2019-03-3176,334,167 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2019-05-15, accession 0001477932-19-002822.Report this figure93.5Diluted shares (weighted), Q3 FY2022, three months to 2022-09-3093,530,946 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure94.3Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3094,279,780 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-20, accession 0001477932-23-008706.Report this figure94.4Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3194,361,944 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-15, accession 0001477932-25-003808.Report this figure94.5Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3094,477,368 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-14, accession 0001477932-25-005905.Report this figure96.1Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3096,125,797 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure19.2Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3119,243,964 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure19.3Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3019,251,239 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure98.0Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3098,000,381 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-13, accession 0001477932-25-008185.Report this figure21.8Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3121,771,522 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-13, accession 0001477932-26-003054.Report this figure26.3Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3026,305,966 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure

Shares outstanding: 26.31mShares outstanding, period not labelled, at 2026-08-1326,305,966 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-13, accession 0001477932-26-004988.Report this figure at Aug 13, 2026, from the cover of the 10-Q filed Aug 13, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:23 ET. Listed shows no prices and gives no investment advice.