Quick Answer
Birchtech Corp. reported R&D Expense of $1.81 million for fiscal year 2025.
Birchtech Corp. R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $1.81M | — |
| 2024 | $0.00 | -100.0% |
| 2011 | $764.0K | +507.2% |
| 2010 | $125.8K | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $473.3K | — | +3.9% |
| June 30, 2025 | $455.5K | — | +12.0% |
| March 31, 2025 | $406.7K | — | — |
| September 30, 2024 | $0.00 | — | — |
| June 30, 2024 | $0.00 | — | — |
| March 31, 2024 | $0.00 | — | -100.0% |
| March 31, 2012 | $63.0K | -15.8% | -38.1% |
| June 30, 2011 | $101.8K | +4989.8% | +36.0% |
- Over the 2010–2025 period, Birchtech Corp.’s r&d expense has grown by 1334.6% (from $125.8 thousand to $1.81 million).
- The most recent figure is from Birchtech Corp.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 31, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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