Birchtech Corp. (BCHT)
NYSE: BCHT · Measuring & Controlling Devices, NEC · Corsicana, TX · filing with the SEC since 2001
Grade4.0
◀ Past 2.2● Present 4.4▶ Future 5.2
Filings
183 filings since 2017 beside 150 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026Due nextNon-accelerated filer and smaller reporting company
10-K
Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends.
by Mar 31, 2027
10-Q
Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end.
by May 15, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. The proxy statement was last filed Jun 24, 2026.
Filings a yearinsider forms included
2929302950261730
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 4 times in the last 36 months, the newest May 12, 2026.Warning not to rely on past financial statements (8-K item 4.02): 1 time in the last 36 months, the newest Mar 31, 2025.SEC letters: 6 in the last 36 months, the newest Feb 12, 2026.A late-filing notice, Form NT 10-K, filed Apr 1, 2024.A late-filing notice, Form NT 10-Q, filed Nov 14, 2023.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Jul 28, 2026
8-K items 3.03, 5.03, 5.07, 9.01
Change to shareholders' rights; Charter, bylaw or fiscal-year change; Shareholder vote · Current report
Jul 23, 2026
May 12, 2026
8-K/A items 5.02, 9.01
Officer or director change · Current report, amended
May 1, 2026
Feb 27, 2026
8-K items 1.01, 8.01, 9.01
Major agreement signed; Other event · Current report
Feb 25, 2026
Dec 29, 2025
8-K items 3.03, 5.03, 9.01
Change to shareholders' rights; Charter, bylaw or fiscal-year change · Current report
Dec 23, 2025
Mar 31, 2025
8-K items 4.02, 9.01
Warning not to rely on past financial statements · Current report
Mar 28, 2025
40 of 183 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.