Birchtech Corp. - BCHT
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 7
Latest filed: Mar 02, 2026
| Form | Count |
|---|---|
| 4 | 4 |
| 8-K | 3 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Mar 02, 2026 | 4 | Feb 27, 2026 | 0001358094-26-000001 | View |
| Feb 27, 2026 | 8-K | Feb 25, 2026 | 0001104659-26-021534 | View |
| Jan 05, 2026 | 8-K | Dec 29, 2025 | 0001477932-26-000031 | View |
| Dec 29, 2025 | 8-K | Dec 23, 2025 | 0001477932-25-009214 | View |
| Dec 15, 2025 | 4 | Dec 11, 2025 | 0001358094-25-000006 | View |
| Dec 15, 2025 | 4 | Dec 12, 2025 | 0001358094-25-000007 | View |
| Dec 15, 2025 | 4 | Dec 12, 2025 | 0001358094-25-000008 | View |