Birchtech Corp. (BCHT) CEO reports 500,000-share stock option exercise

Rhea-AI Filing Summary

Birchtech Corp. insider Richard MacPherson, the company’s President, CEO, director and 10% owner, reported an option exercise and related share withholding. On 12/12/2025 he exercised a stock option for 500,000 shares of common stock at $0.58 per share using a cashless exercise.

To fund the exercise cost, 310,427 shares were withheld by Birchtech at a VWAP of $0.9342 per share, resulting in 189,573 net new shares of common stock being issued to him. After these transactions, he directly owns 13,212,954 shares of Birchtech common stock.

Insider Trade Summary

500,000 shares exercised/converted

Mixed 3 txns

Insider MacPherson Richard

Role President and CEO

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	500,000	$0.00	--
Exercise	Common Stock	500,000	$0.58	$290K
Tax Withholding	Common Stock	310,427	$0.9342	$290K

Holdings After Transaction: Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 13,523,381 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MacPherson Richard

(Last) (First) (Middle)

1810 JESTER DRIVE

(Street)

CORSICANA TX 75109

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Birchtech Corp. [ BCHT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/12/2025		M		500,000(1)	A	$0.58	13,523,381	D
Common Stock	12/12/2025		F		310,427(1)	D	$0.9342	13,212,954	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	$0.58	12/12/2025		M			500,000	12/14/2020	12/14/2025	Common Stock	500,000	$0	0	D

Explanation of Responses:

1. 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.

	/s/ Richard MacPherson	12/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Birchtech Corp. (BCHT) report in this filing?

The filing reports that Richard MacPherson, Birchtech’s President, CEO, director and 10% owner, exercised a stock option and received net shares through a cashless exercise.

How many Birchtech (BCHT) shares were subject to the option exercise?

The option allowed purchase of 500,000 shares of Birchtech common stock at an exercise price of $0.58 per share.

How many Birchtech (BCHT) shares did the insider receive on a net basis?

After 310,427 shares were withheld to cover the exercise cost, 189,573 shares of Birchtech common stock were issued to Richard MacPherson on a net basis.

What price was used to withhold shares in the Birchtech (BCHT) cashless exercise?

The company withheld 310,427 shares at a VWAP of $0.9342 per share to pay the option exercise price.

How many Birchtech (BCHT) shares does the reporting person own after the transaction?

Following the transactions on 12/12/2025, Richard MacPherson directly owns 13,212,954 shares of Birchtech common stock.

What type of security did the Birchtech (BCHT) insider exercise?

He exercised a stock option (right to buy) with an exercise price of $0.58 that was originally exercisable starting 12/14/2020 and expiring 12/14/2025.