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
2016-06-2413:30 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-011055
2016-06-1612:40 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-010880
2016-06-1612:32 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-010878
2016-06-0912:00 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-16-010770
2016-06-0216:30 ET	8-K	7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits	0001477932-16-010690
2016-05-1608:39 ET	10-Q	Quarterly reportPeriod 2016-03-31	0001477932-16-010301
2016-05-1216:45 ET	8-K	7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits	0001477932-16-010219
2016-04-2916:31 ET	10-K/A	Annual report, amendedPeriod 2015-12-31	0001477932-16-009998
2016-03-3016:24 ET	10-K	Annual reportPeriod 2015-12-31	0001477932-16-009335
2016-03-0718:34 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-007838
2016-02-2217:00 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-16-008769
2016-02-0816:37 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-16-007250
2016-02-0316:31 ET	8-K	1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits	0001477932-16-008401
2015-11-2017:00 ET	8-K	1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits	0001477932-15-007273
2015-11-1916:29 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-15-005700
2015-11-1617:00 ET	10-Q	Quarterly reportPeriod 2015-09-30	0001477932-15-007142
2015-11-1317:00 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-15-006927
2015-11-0617:05 ET	10-K/A	Annual report, amendedPeriod 2014-12-31	0001477932-15-006798
2015-09-1015:39 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-15-004277
2015-08-1416:32 ET	10-Q	Quarterly reportPeriod 2015-06-30	0001477932-15-005225
2015-08-0609:47 ET	8-K	2.02 Results of operations; 9.01 Financial statements and exhibits	0001477932-15-004900
2015-05-1516:41 ET	10-Q	Quarterly reportPeriod 2015-03-31	0001477932-15-003294
2015-05-0816:23 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-15-002968
2015-04-2417:45 ET	8-K	8.01 Other events	0001477932-15-002693
2015-04-0108:46 ET	8-K	5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits	0001477932-15-002170
2015-03-2317:23 ET	SC 13D/A	Ownership report, active investor, amended	0001493152-15-000963
2015-03-2017:15 ET	10-K	Annual reportPeriod 2014-12-31	0001477932-15-001853
2015-02-2617:15 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-15-001408
2014-12-0517:15 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-14-006873
2014-12-0117:15 ET	8-K	5.02 Departure or appointment of officers or directors	0001477932-14-006770
2014-11-2117:00 ET	8-K	5.07 Shareholder vote results	0001477932-14-006649
2014-11-2017:15 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-14-006623
2014-11-1417:00 ET	10-Q	Quarterly reportPeriod 2014-09-30	0001477932-14-006277
2014-10-2717:30 ET	DEF 14A	Proxy statementPeriod 2014-10-24	0001477932-14-005640
2014-10-1618:31 ET	8-K	5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits	0001477932-14-005429
2014-08-2516:09 ET	SC 13D	Ownership report, active investor	0001493152-14-002714
2014-08-1510:48 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-14-004524
2014-08-1416:58 ET	10-Q	Quarterly reportPeriod 2014-06-30	0001477932-14-004477
2014-06-1916:45 ET	8-K	1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits	0001477932-14-003238
2014-05-1516:13 ET	10-Q	Quarterly reportPeriod 2014-03-31	0001477932-14-002626
2014-03-1416:49 ET	10-K	Annual reportPeriod 2013-12-31	0001477932-14-001072
2014-02-0517:00 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-14-000529
2014-01-1613:00 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-14-000223
2013-12-2016:30 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-13-006137
2013-12-1816:40 ET	8-K	5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits	0001477932-13-006103
2013-11-1216:41 ET	10-Q	Quarterly reportPeriod 2013-09-30	0001477932-13-005295
2013-08-1418:13 ET	10-Q	Quarterly reportPeriod 2013-06-30	0001477932-13-003743
2013-07-1517:17 ET	8-K	3.02 Unregistered sale of equity	0001477932-13-003223
2013-07-0810:42 ET	SC 13D	Ownership report, active investor	0001477932-13-003106
2013-07-0316:45 ET	8-K	1.01 Entry into a material agreement; 9.01 Financial statements and exhibits	0001477932-13-003085

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.