| 2026-08-13 | 10-Q | 10-Q filed 2026-08-13 by Birchtech Corp. |
| 2026-07-28 | 8-K | 8-K filed 2026-07-28 by Birchtech Corp. |
| 2026-06-24 | DEF 14A | DEF 14A filed 2026-06-24 by Birchtech Corp. |
| 2026-05-13 | 10-Q | 10-Q filed 2026-05-13 by Birchtech Corp. |
| 2026-05-12 | 8-K/A | 8-K/A filed 2026-05-12 by Birchtech Corp. |
| 2026-05-06 | 8-K | 8-K filed 2026-05-06 by Birchtech Corp. |
| 2026-04-13 | 8-K | 8-K filed 2026-04-13 by Birchtech Corp. |
| 2026-03-31 | 10-K | 10-K filed 2026-03-31 by Birchtech Corp. |
| 2026-03-17 | 8-K | 8-K filed 2026-03-17 by Birchtech Corp. |
| 2026-02-27 | 8-K | 8-K filed 2026-02-27 by Birchtech Corp. |
| 2026-02-12 | S-1/A | S-1/A filed 2026-02-12 by Birchtech Corp. |
| 2026-02-03 | S-1/A | S-1/A filed 2026-02-03 by Birchtech Corp. |
| 2026-01-13 | S-1 | S-1 filed 2026-01-13 by Birchtech Corp. |
| 2026-01-05 | 8-K | 8-K filed 2026-01-05 by Birchtech Corp. |
| 2025-12-29 | 8-K | 8-K filed 2025-12-29 by Birchtech Corp. |
| 2025-11-13 | 10-Q | 10-Q filed 2025-11-13 by Birchtech Corp. |
| 2025-08-14 | 10-Q | 10-Q filed 2025-08-14 by Birchtech Corp. |
| 2025-06-20 | 8-K | 8-K filed 2025-06-20 by Birchtech Corp. |
| 2025-05-15 | 10-Q | 10-Q filed 2025-05-15 by Birchtech Corp. |
| 2025-03-31 | 8-K | 8-K filed 2025-03-31 by Birchtech Corp. |
| 2025-03-31 | 10-K | 10-K filed 2025-03-31 by Birchtech Corp. |
| 2025-03-04 | 8-K | 8-K filed 2025-03-04 by Birchtech Corp. |
| 2025-01-06 | 8-K | 8-K filed 2025-01-06 by Birchtech Corp. |
| 2024-11-27 | DEF 14A | DEF 14A filed 2024-11-27 by Birchtech Corp. |
| 2024-11-15 | 8-K | 8-K filed 2024-11-15 by Birchtech Corp. |
| 2024-11-14 | 10-Q | 10-Q filed 2024-11-14 by Birchtech Corp. |
| 2024-10-21 | 8-K | 8-K filed 2024-10-21 by Birchtech Corp. |
| 2024-10-17 | 8-K | 8-K filed 2024-10-17 by Birchtech Corp. |
| 2024-08-12 | 10-Q | 10-Q filed 2024-08-12 by Birchtech Corp. |
| 2024-08-01 | 8-K | 8-K filed 2024-08-01 by Birchtech Corp. |