Birchtech (BCHT) CEO invests $750K in public stock offering

Rhea-AI Filing Summary

Birchtech Corp. President and CEO Richard MacPherson reported an open-market purchase of the company’s common stock. He bought 312,500 shares at $2.40 per share for a total of $750,000 in a public offering of 6,250,000 shares that closed on February 27, 2026.

Following this transaction, his directly owned stake increased to 2,955,095 common shares. The share amounts in the filing reflect Birchtech’s 1-for-5 reverse stock split that became effective on December 26, 2025.

Insider Trade Summary

Net Buyer: 312,500 shares ($750,000)

Net Buy 1 txn

Insider MacPherson Richard

Role President and CEO

Bought 312,500 shs ($750K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	312,500	$2.40	$750K

Holdings After Transaction: Common Stock — 2,955,095 shares (Direct)

Footnotes (1)

1. Reflects shares of the Issuer's common stock purchased for an aggregate of $750,000 which were purchased by the Reporting Person in a public offering of 6,250,000 shares of the Issuer's common stock at a purchase price of $2.40 per share which closed on February 27, 2026. Share amount reflects the Issuer's 1-for-5 reverse stock split effective December 26, 2025.

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)
02/27/2026

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	02/27/2026		P		312,500(1)	A	$2.4	2,955,095(2)	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

Explanation of Responses:

1. Reflects shares of the Issuer's common stock purchased for an aggregate of $750,000 which were purchased by the Reporting Person in a public offering of 6,250,000 shares of the Issuer's common stock at a purchase price of $2.40 per share which closed on February 27, 2026.

2. Share amount reflects the Issuer's 1-for-5 reverse stock split effective December 26, 2025.

	/s/ Richard MacPherson	03/02/2026
	** 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 did Birchtech (BCHT) CEO Richard MacPherson report in this Form 4?

Birchtech CEO Richard MacPherson reported buying 312,500 shares of common stock. The shares were purchased at $2.40 each in a public offering, increasing his direct holdings to 2,955,095 shares after the transaction and reflecting the company’s 1-for-5 reverse stock split.

How many Birchtech (BCHT) shares did the CEO purchase and at what price?

Richard MacPherson purchased 312,500 Birchtech common shares at $2.40 per share. This totals $750,000 invested through participation in a public offering of 6,250,000 shares, which closed on February 27, 2026, as disclosed in the Form 4 footnotes.

What is the total value of the Birchtech (BCHT) CEO’s recent share purchase?

The reported Birchtech share purchase by the CEO is valued at $750,000. He acquired 312,500 common shares at a price of $2.40 per share in a public offering, according to the Form 4 transaction details and accompanying footnote disclosure.

How many Birchtech (BCHT) shares does the CEO own after this transaction?

After the reported transaction, Richard MacPherson directly owns 2,955,095 Birchtech common shares. This total reflects the recently purchased 312,500 shares and incorporates the effect of Birchtech’s 1-for-5 reverse stock split effective December 26, 2025, as noted in the filing.

Was the Birchtech (BCHT) CEO’s purchase part of a larger offering?

Yes. The CEO’s 312,500-share purchase was part of a public offering of 6,250,000 Birchtech common shares. All these shares were sold at a purchase price of $2.40 per share, and the offering closed on February 27, 2026, according to the Form 4 footnote.

How does Birchtech’s reverse stock split affect the Form 4 share figures?

The Form 4 share counts already reflect Birchtech’s 1-for-5 reverse stock split. This reverse split became effective on December 26, 2025, and the filing notes that the reported common share amounts, including the CEO’s holdings, have been adjusted accordingly.