Birchtech Corp. SEC filings
| Form | Company | Filed | Accession |
|---|---|---|---|
| 10-Q | Birchtech Corp. | 2026-05-13 | 0001477932-26-003054 |
| 10-K | Birchtech Corp. | 2026-03-31 | 0001477932-26-001835 |
| 4 | Birchtech Corp. | 2026-03-02 | 0001358094-26-000001 |
| 4 | Birchtech Corp. | 2025-12-15 | 0001358094-25-000008 |
| 4 | Birchtech Corp. | 2025-12-15 | 0001358094-25-000007 |
| 4 | Birchtech Corp. | 2025-12-15 | 0001358094-25-000006 |
| 10-Q | Birchtech Corp. | 2025-11-13 | 0001477932-25-008185 |
| 10-Q | Birchtech Corp. | 2025-08-14 | 0001477932-25-005905 |