Birchtech Corp.

BCHTNYSECIK 728385TechnologyFiscal year ends Dec 31

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Reports and events: 249 filings

Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.

What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.

Birchtech Corp., Reports and events
Filed	Form	What it is	Accession number
2019-11-1417:01 ET	10-Q	Quarterly reportPeriod 2019-09-30	0001477932-19-006565
2019-10-2414:07 ET	8-K	1.01 Entry into a material agreement; 3.02 Unregistered sale of equity	0001477932-19-006011
2019-08-1416:13 ET	10-Q	Quarterly reportPeriod 2019-06-30	0001477932-19-004811
2019-07-2516:01 ET	8-K	8.01 Other events; 9.01 Financial statements and exhibits	0001477932-19-004316
2019-06-2717:00 ET	8-K	1.01 Entry into a material agreement; 3.02 Unregistered sale of equity	0001477932-19-003765
2019-06-1909:41 ET	8-K	1.01 Entry into a material agreement; 3.02 Unregistered sale of equity	0001477932-19-003600
2019-06-0716:30 ET	8-K	3.02 Unregistered sale of equity; 5.02 Departure or appointment of officers or directors; 8.01 Other events	0001477932-19-003433
2019-05-1517:06 ET	10-Q	Quarterly reportPeriod 2019-03-31	0001477932-19-002822
2019-05-1516:45 ET	8-K	3.02 Unregistered sale of equity; 5.02 Departure or appointment of officers or directors	0001477932-19-002805
2019-04-3016:00 ET	10-K/A	Annual report, amendedPeriod 2018-12-31	0001477932-19-002186
2019-04-1116:31 ET	10-K	Annual reportPeriod 2018-12-31	0001477932-19-001664
2019-03-0116:30 ET	8-K	1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits	0001477932-19-000753
2018-12-2116:00 ET	8-K	4.01 Change of auditor; 9.01 Financial statements and exhibits	0001477932-18-006117
2018-11-1316:31 ET	10-Q	Quarterly reportPeriod 2018-09-30	0001477932-18-005448
2018-10-1217:00 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-18-004852
2018-09-1816:00 ET	8-K	1.01 Entry into a material agreement; 2.03 New direct financial obligation	0001477932-18-004547
2018-08-1416:36 ET	10-Q	Quarterly reportPeriod 2018-06-30	0001477932-18-004050
2018-06-2016:30 ET	8-K	1.01 Entry into a material agreement; 2.03 New direct financial obligation; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits	0001477932-18-003147
2018-05-2116:34 ET	10-Q	Quarterly reportPeriod 2018-03-31	0001477932-18-002653
2018-04-3017:20 ET	DEF 14A	Proxy statementPeriod 2018-04-30	0001477932-18-002115
2018-04-1716:46 ET	10-K	Annual reportPeriod 2017-12-31	0001477932-18-001894
2017-11-2016:36 ET	10-Q	Quarterly reportPeriod 2017-09-30	0001477932-17-005731
2017-09-1417:16 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-17-004485
2017-08-2117:01 ET	10-Q	Quarterly reportPeriod 2017-06-30	0001477932-17-004120
2017-08-0417:10 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-17-003673
2017-06-3017:00 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-17-003134
2017-06-0917:00 ET	8-K	5.07 Shareholder vote results	0001477932-17-002753
2017-05-1516:40 ET	10-Q	Quarterly reportPeriod 2017-03-31	0001477932-17-002292
2017-05-0117:17 ET	DEF 14A	Proxy statementPeriod 2017-05-01	0001477932-17-002034
2017-05-0117:16 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-17-002033
2017-04-2717:00 ET	8-K	2.01 Completion of an acquisition or disposition; 3.02 Unregistered sale of equity	0001477932-17-001951
2017-04-2417:15 ET	8-K	2.02 Results of operations; 9.01 Financial statements and exhibits	0001477932-17-001886
2017-03-2813:36 ET	10-K	Annual reportPeriod 2016-12-31	0001477932-17-001322
2017-03-2417:00 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-17-001286
2017-02-2716:45 ET	8-K	5.08 Item not in the standard list; 8.01 Other events	0001477932-17-000937
2017-02-1417:36 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-17-000775
2017-02-0717:00 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-17-000602
2016-12-2315:32 ET	S-1	Registration statement	0001477932-16-014307
2016-12-0516:51 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-015665
2016-12-0216:30 ET	8-K	2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits	0001477932-16-013915
2016-11-1509:30 ET	8-K	1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 8.01 Other events; 9.01 Financial statements and exhibits	0001477932-16-013537
2016-11-1519:51 ET	10-Q	Quarterly reportPeriod 2016-09-30	0001477932-16-013516
2016-11-0309:08 ET	8-K	1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits	0001477932-16-013238
2016-10-2717:00 ET	8-K	3.02 Unregistered sale of equity	0001477932-16-013143
2016-08-1208:05 ET	8-K	5.07 Shareholder vote results	0001477932-16-011783
2016-08-0807:46 ET	10-Q	Quarterly reportPeriod 2016-06-30	0001477932-16-011658
2016-07-1516:45 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-16-011414
2016-07-1209:52 ET	8-K	2.02 Results of operations; 9.01 Financial statements and exhibits	0001477932-16-011322
2016-07-0612:00 ET	DEF 14A	Proxy statementPeriod 2016-07-06	0001477932-16-011200
2016-06-2413:33 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-011058

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Nov 13, 2026, 16:05 ET. Listed shows no prices and gives no investment advice.