Birchtech Corp. — 8-K Filings
154 8-K filings on record
This page lists all 8-K filings submitted to the SEC by Birchtech Corp. (BCHT), sorted by most recent first. Each row links to the full filing on EdgarLookup. Birchtech Corp. has filed 154 8-K documents with the SEC since 2001. To view all SEC filings by Birchtech Corp., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
10KSB
10KSB/A
10QSB
10SB12G
3
3/A
4
4/A
424B3
424B4
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
D
D/A
DEF 14A
DEF 14C
DEFA14A
DRS
EFFECT
NT 10-K
NT 10-Q
PRE 14A
PRE 14C
REGDEX
RW
S-1
S-1/A
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14F1
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001104659-26-029450 | Mar 17, 2026 | — |
| 8-K | FORM 8-K | 0001104659-26-021534 | Feb 27, 2026 | Feb 25, 2026 |
| 8-K | FORM 8-K | 0001477932-26-000031 | Jan 5, 2026 | Dec 29, 2025 |
| 8-K | FORM 8-K | 0001477932-25-009214 | Dec 29, 2025 | Dec 23, 2025 |
| 8-K | FORM 8-K | 0001477932-25-004727 | Jun 20, 2025 | Jun 13, 2025 |
| 8-K | FORM 8-K | 0001477932-25-002233 | Mar 31, 2025 | Mar 28, 2025 |
| 8-K | FORM 8-K | 0001477932-25-001435 | Mar 4, 2025 | — |
| 8-K | FORM 8-K | 0001477932-25-000056 | Jan 6, 2025 | Dec 30, 2024 |
| 8-K | FORM 8-K | 0001477932-24-007251 | Nov 15, 2024 | Oct 29, 2024 |
| 8-K | FORM 8-K | 0001477932-24-006589 | Oct 21, 2024 | Oct 8, 2024 |
| 8-K | FORM 8-K | 0001477932-24-006503 | Oct 17, 2024 | Oct 15, 2024 |
| 8-K | FORM 8-K | 0001477932-24-004495 | Aug 1, 2024 | Jul 30, 2024 |
| 8-K | FORM 8-K | 0001477932-24-003675 | Jun 13, 2024 | Jun 7, 2024 |
| 8-K | FORM 8-K | 0001477932-24-001039 | Mar 5, 2024 | Mar 4, 2024 |
| 8-K | FORM 8-K | 0001477932-24-001001 | Mar 4, 2024 | Feb 27, 2024 |
| 8-K | FORM 8-K | 0001477932-24-000045 | Jan 4, 2024 | Dec 28, 2023 |
| 8-K | FORM 8-K | 0001477932-23-009019 | Dec 7, 2023 | Dec 5, 2023 |
| 8-K | FORM 8-K | 0001477932-23-008353 | Nov 14, 2023 | Nov 13, 2023 |
| 8-K | FORM 8-K | 0001477932-23-008115 | Nov 7, 2023 | Nov 1, 2023 |
| 8-K | FORM 8-K | 0001477932-23-007675 | Oct 16, 2023 | Oct 10, 2023 |
| 8-K | FORM 8-K | 0001477932-23-006911 | Sep 15, 2023 | Sep 12, 2023 |
| 8-K | FORM 8-K | 0001477932-23-006876 | Sep 14, 2023 | Sep 11, 2023 |
| 8-K | FORM 8-K | 0001477932-23-005146 | Jul 10, 2023 | — |
| 8-K | FORM 8-K | 0001477932-23-005041 | Jul 6, 2023 | Jul 3, 2023 |
| 8-K | FORM 8-K | 0001477932-23-004058 | May 30, 2023 | May 26, 2023 |
| 8-K | FORM 8-K | 0001477932-23-002776 | Apr 20, 2023 | Apr 17, 2023 |
| 8-K | FORM 8-K | 0001477932-23-001060 | Feb 15, 2023 | Feb 10, 2023 |
| 8-K | FORM 8-K | 0001477932-23-000748 | Feb 3, 2023 | Jan 31, 2023 |
| 8-K | FORM 8-K | 0001477932-23-000521 | Jan 25, 2023 | — |
| 8-K | FORM 8-K | 0001477932-23-000366 | Jan 18, 2023 | — |
| 8-K | FORM 8-K | 0001477932-22-009159 | Dec 7, 2022 | Dec 1, 2022 |
| 8-K | FORM 8-K | 0001477932-22-008126 | Nov 2, 2022 | Oct 28, 2022 |
| 8-K | FORM 8-K | 0001477932-22-007379 | Sep 30, 2022 | Sep 28, 2022 |
| 8-K | FORM 8-K | 0001477932-22-006550 | Aug 31, 2022 | Aug 30, 2022 |
| 8-K | FORM 8-K | 0001477932-22-005733 | Aug 8, 2022 | Aug 3, 2022 |
| 8-K | FORM 8-K | 0001477932-22-004152 | Jun 6, 2022 | May 31, 2022 |
| 8-K | FORM 8-K | 0001477932-22-001292 | Mar 10, 2022 | Mar 8, 2022 |
| 8-K | FORM 8-K | 0001477932-22-001055 | Feb 25, 2022 | Feb 24, 2022 |
| 8-K | FORM 8-K | 0001477932-22-000898 | Feb 17, 2022 | Feb 16, 2022 |
| 8-K | FORM 8-K | 0001477932-22-000478 | Jan 28, 2022 | Jan 24, 2022 |
| 8-K | FORM 8-K | 0001477932-21-008811 | Nov 26, 2021 | Nov 22, 2021 |
| 8-K | FORM 8-K | 0001477932-21-007834 | Nov 5, 2021 | Oct 19, 2021 |
| 8-K | FORM 8-K | 0001477932-21-007030 | Oct 5, 2021 | — |
| 8-K | FORM 8-K | 0001477932-21-004303 | Jun 28, 2021 | Jun 23, 2021 |
| 8-K | FORM 8-K | 0001477932-21-003927 | Jun 9, 2021 | Jun 3, 2021 |
| 8-K | FORM 8-K | 0001477932-21-003848 | Jun 7, 2021 | Jun 1, 2021 |
| 8-K | FORM 8-K | 0001477932-21-003382 | May 18, 2021 | May 13, 2021 |
| 8-K | FORM 8-K | 0001477932-21-001403 | Mar 12, 2021 | Mar 8, 2021 |
| 8-K | FORM 8-K | 0001477932-21-001347 | Mar 10, 2021 | — |
| 8-K | FORM 8-K | 0001477932-20-006043 | Oct 23, 2020 | Oct 21, 2020 |