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BCHTNYSE
Birchtech Corp.
Measuring & Controlling Devices, NEC · DE · CIK 728385
Birchtech Corp. provides activated carbon technologies for air and water purification, including mercury capture and forever chemical removal
red 8-K · 90d
$55M
Market cap
$2.05
Last close
+2.5%
1D
-1.0%
5D
58K
Volume
Price · last 39 sessions+26.5%
May 4L $1.32 · H $2.34Jun 29
273
Total filings
Jun 24, 2026
Last filing
12/31
Fiscal year end
10-QFORM 10-QMay 13, 202610-QFORM 10-QNov 13, 202510-QFORM 10-QAug 14, 202510-QFORM 10-QMay 15, 202510-QFORM 10-QNov 14, 202410-QFORM 10-QAug 12, 202410-QFORM 10-QMay 15, 202410-QFORM 10-QNov 20, 202310-QFORM 10-QAug 16, 202310-QFORM 10-QJun 6, 202310-QFORM 10-QNov 14, 202210-QFORM 10-QAug 15, 202210-QFORM 10-QMay 18, 202210-QFORM 10-QNov 15, 202110-QFORM 10-QAug 16, 202110-QFORM 10-QMay 17, 202110-QFORM 10-QNov 23, 202010-QFORM 10-QAug 19, 202010-QFORM 10-QJul 6, 202010-QFORM 10-QNov 14, 201910-QFORM 10-QAug 14, 201910-QFORM 10-QMay 15, 201910-QFORM 10-QNov 13, 201810-QFORM 10-QAug 14, 201810-QFORM 10-QMay 21, 201810-QFORM 10-QNov 20, 201710-QFORM 10-QAug 21, 201710-QFORM 10-QMay 15, 201710-QFORM 10-QNov 15, 201610-QFORM 10-QAug 8, 201610-QFORM 10-QMay 16, 201610-QFORM 10-QNov 16, 201510-QFORM 10-QAug 14, 201510-QFORM 10-QMay 15, 201510-QFORM 10-QNov 14, 201410-QFORM 10-QAug 14, 201410-QFORM 10-QMay 15, 201410-QFORM 10-QNov 12, 201310-QFORM 10-QAug 14, 201310-QFORM 10-QMay 14, 201310-QFORM 10-QNov 13, 201210-QFORM 10-QAug 10, 201210-QFORM 10-QMay 11, 201210-QFORM 10-QNov 21, 201110-QFORM 10-QAug 22, 201110-QFORM 10-QMay 23, 201110-Q10-QNov 22, 201010-QCHINA YOUTH MEDIA, INC. FORM 10-QAug 23, 201010-QCHINA YOUTH MEDIA, INC FORM 10-QMay 21, 201010-QFORM 10-Q QTR ENDING SEPTEMBER 30, 2009Nov 16, 200910-QJUNE 30, 2009 FORM 10-QAug 14, 200910-QCHINA YOUTH MEDIA, INC. 10-Q Q1 2009May 15, 200910-QCHINA YOUTH MEDIA, INC. 10-Q Q3 2008Nov 19, 200810-QJUNE 30, 2008 FORM 10-QAug 19, 200810-QQUARTERLY REPORT ON FORM 10-Q DATED MARCH 31, 2008May 19, 2008
Insider Activity
In the 90 days to Feb 27, 2026: 1 insider bought $750K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 27, 2026 | Macpherson RichardPresident and CEO | Buy | 312,500 | $2.40 | $750K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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