Richard MacPherson - 12 Dec 2025 Form 4 Insider Report for Birchtech Corp. (BCHT)

Role: President and CEO, Director, 10%+ Owner
Signature: /s/ Richard MacPherson
Issuer symbol: BCHT
Transactions as of: 12 Dec 2025
Net transactions value: -$0.9034
Form type: 4
Filing time: 15 Dec 2025, 21:23:09 UTC
Previous filing: 23 Jun 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MacPherson Richard	President and CEO, Director, 10%+ Owner	1810 JESTER DRIVE, CORSICANA	/s/ Richard MacPherson	15 Dec 2025	0001524386

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCHT	Common Stock	Options Exercise	$290,000	+500,000	+3.8%	$0.5800	13,523,381	12 Dec 2025	Direct	F1
transaction	BCHT	Common Stock	Tax liability	$290,001	-310,427	-2.3%	$0.9342	13,212,954	12 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BCHT	Stock Option (Right to Buy)	Options Exercise	$0	-500,000	-100%	$0.000000	0	12 Dec 2025	Common Stock	500,000	$0.5800	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects shares of the Issuer's common stock acquired by the Reporting Person through the cashless exercise of an option to acquire 500,000 shares of common stock, pursuant to which 310,427 shares were withheld by the Issuer with a VWAP of $0.9342 per share to pay the exercise price of $0.58 per share, resulting in 189,573 shares of common stock being issued to the Reporting Person on a net basis.

Content

Reflects shares of the Issuer's common stock acquired by the Reporting Person through the cashless exercise of an option to acquire 500,000 shares of common stock, pursuant to which 310,427 shares were withheld by the Issuer with a VWAP of $0.9342 per share to pay the exercise price of $0.58 per share, resulting in 189,573 shares of common stock being issued to the Reporting Person on a net basis.