BCHT News — Page 2
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2015-04-01 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,8.01,9.01. |
| 2015-02-26 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2014-12-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,9.01. |
| 2014-12-01 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2014-11-21 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.07. |
| 2014-11-20 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2014-10-16 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.03,9.01. |
| 2014-08-15 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2014-06-19 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,3.02,9.01. |
| 2014-02-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,9.01. |
| 2014-01-16 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,9.01. |
| 2013-12-20 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2013-12-18 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,9.01. |
| 2013-07-15 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 3.02. |
| 2013-07-03 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2013-06-27 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 7.01,9.01. |
| 2013-06-21 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 7.01,9.01. |
| 2013-06-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2013-05-07 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01. |
| 2012-03-27 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 4.02. |
| 2012-02-28 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01. |
| 2012-02-17 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 8.01. |
| 2012-01-20 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 1.01,1.02,2.01,3.02,5.01,5.02,9.01. |
| 2012-01-13 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 4.01,9.01. |
| 2012-01-10 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 8.01. |
| 2011-11-07 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,9.01. |
| 2011-11-04 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 4.02. |
| 2011-10-14 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 3.02,5.02,5.03,5.07,8.01,9.01. |
| 2011-10-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 1.01,1.02,2.01,3.02,5.01,5.02,9.01. |
| 2011-09-19 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 3.02,9.01. |
| 2011-08-10 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 5.02,7.01,9.01. |
| 2011-07-13 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02,7.01,9.01. |
| 2011-06-27 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,1.02,2.01,3.02,5.01,5.02,9.01. |
| 2011-06-07 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2011-04-19 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2010-12-15 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.02,9.01. |
| 2009-08-06 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 8.01,9.01. |
| 2009-01-02 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01. |
| 2008-10-16 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.03,8.01,9.01. |
| 2008-09-19 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 2.03,9.01. |
| 2008-06-16 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,3.02,9.01. |
| 2008-06-04 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 8.01. |
| 2008-03-31 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 3.02. |
| 2008-01-15 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 8.01,9.01. |
| 2007-05-21 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 4.01,9.01. |
| 2007-04-26 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2006-04-27 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2006-04-24 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2006-04-10 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,2.03,3.02,9.01. |
| 2006-02-13 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2006-01-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,2.01,2.03,3.02,5.01,5.02,5.03,5.06,9.01. |
| 2006-01-04 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2005-12-22 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2005-12-21 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,9.01. |
| 2005-10-31 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,3.02,4.01,9.01. |
| 2005-10-05 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 3.02,5.02,8.01,9.01. |
| 2005-09-22 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,2.01,3.02,9.01. |
| 2005-07-21 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,3.02,5.02,5.03,9.01. |
| 2005-07-07 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2005-05-24 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 1.01,3.02,5.01,9.01. |
| 2005-05-03 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 5.02. |
| 2005-05-02 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.02. |
| 2005-01-03 | Current report | SEC filing | Birchtech Corp. filed Form 8-K | Birchtech Corp. filed Form 8-K covering items 5.01,5.02,8.01. |
| 2005-01-03 | Current report | SEC filing | Birchtech Corp. filed Form 8-K/A | Birchtech Corp. filed Form 8-K/A covering items 5.01,5.02,8.01. |