$BCHT|S-1/AFeb 3, 5:11 PM ET

Birchtech Corp. S-1/A

S-1/A · Birchtech Corp. · Filed Feb 3, 2026

Documents

142 files

S-1
tmb-20250930xs1a.htm
S-1/A
EX-1.1
tmb-20250930xex1d1.htm
EX-1.1
EX-5.1
tmb-20250930xex5d1.htm
EX-5.1
EX-23.1
tmb-20250930xex23d1.htm
EX-23.1
GRAPHIC
tmb-20250930xs1a007.jpg
GRAPHIC
GRAPHIC
tmb-20250930xs1a017.jpg
GRAPHIC
GRAPHIC
tmb-20250930xex5d1001.jpg
GRAPHIC
EX-101.SCH
tmb-20250930.xsd
EX-101.SCH
EX-101.CAL
tmb-20250930_cal.xml
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EX-101.DEF
tmb-20250930_def.xml
EX-101.DEF
EX-101.LAB
tmb-20250930_lab.xml
EX-101.LAB
EX-101.PRE
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Show.js
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report.css
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ZIP
0001104659-26-009808-xbrl.zip
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tmb-20250930xs1a_htm.xml
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