Birchtech Corp.

OTC:BCHT

Measuring & Controlling Devices, NEC·CORSICANA, TX

Governanceproxy statements · beneficial ownership

Proxy Statements

21 shown

Filed	Form	Description
11/27/24	DEF 14A	DEF 14A	→
11/13/24	PRE 14A	PRE 14A	→
11/3/23	DEF 14A	DEF 14A	→
2/7/22	DEFA14A	DEFA14A	→
1/24/22	DEF 14A	DEF 14A	→
1/10/22	PRE 14A	PRE 14A	→
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Ownership Filings

40 shown

Filed	Form	Description
3/2/26	4	PRIMARY DOCUMENT	→
12/15/25	4	PRIMARY DOCUMENT	→
12/15/25	4	PRIMARY DOCUMENT	→
12/15/25	4	PRIMARY DOCUMENT	→
6/23/25	4	PRIMARY DOCUMENT	→
6/23/25	4	PRIMARY DOCUMENT	→
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