John Pavlish - 11 Dec 2025 Form 4 Insider Report for Birchtech Corp. (BCHT)

Role: Senior VP/Chief Tech Officer
Signature: /s/ John Pavlish
Issuer symbol: BCHT
Transactions as of: 11 Dec 2025
Net transactions value: -$0.336
Form type: 4
Filing time: 15 Dec 2025, 20:49:10 UTC
Previous filing: 23 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Pavlish John	Senior VP/Chief Tech Officer	2517 KINCAID PL, THE VILLAGES	/s/ John Pavlish	15 Dec 2025	0001626324

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCHT	Common Stock	Options Exercise	$174,000	+300,000	+14%	$0.5800	2,389,088	11 Dec 2025	Direct	F1
transaction	BCHT	Common Stock	Tax liability	$174,000	-190,560	-8%	$0.9131	2,198,528	11 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	-300,000	-60%	$0.000000	200,000	11 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 covering 300,000 shares (from an option to purchase up to 500,000 shares), pursuant to which 190,560 shares were withheld by the Issuer with a VWAP of $0.9131 per share to pay the exercise price of $0.58 per share, resulting in 109,440 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 covering 300,000 shares (from an option to purchase up to 500,000 shares), pursuant to which 190,560 shares were withheld by the Issuer with a VWAP of $0.9131 per share to pay the exercise price of $0.58 per share, resulting in 109,440 shares of common stock being issued to the Reporting Person on a net basis.