Montauk Renewables (MNTK) COO receives 282,842 RSUs, boosting holdings to 477,387 shares

Rhea-AI Filing Summary

Shaw James A reported acquisition or exercise transactions in this Form 4 filing.

Montauk Renewables, Inc.’s Chief Operating Officer James A. Shaw received a grant of 282,842 Restricted Stock Units (RSUs) settled in common stock. The RSUs vest in equal portions on the third, fourth, and fifth anniversaries of the grant date, encouraging longer-term retention. After this grant, Shaw holds 477,387 shares of common stock, including these RSUs, directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Shaw James A

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	282,842	$0.00	--

Holdings After Transaction: Common Stock — 477,387 shares (Direct, null)

Footnotes (1)

1. Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock. Includes 282,842 RSUs.

Key Figures

RSUs granted: 282,842 RSUs Post-grant holdings: 477,387 shares Grant price per share: $0.0000 per share +2 more

5 metrics

RSUs granted 282,842 RSUs Award of Restricted Stock Units to COO James A. Shaw

Post-grant holdings 477,387 shares Total common stock held directly after the RSU grant

Grant price per share $0.0000 per share Reported price per share for the RSU grant

Vesting schedule Years 3, 4, and 5 RSUs vest ratably on the third, fourth, and fifth anniversaries

Security type Common Stock Underlying security for each RSU granted to the COO

Key Terms

Restricted Stock Units ("RSUs"), vest ratably, Common Stock, grant, award, or other acquisition

4 terms

Restricted Stock Units ("RSUs") financial

"Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably..."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

vest ratably financial

"The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary..."

Common Stock financial

"Each RSU is settled solely for one share of Common Stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

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^*

Shaw James A

(Last) (First) (Middle)

5313 CAMPBELLS RUN ROAD, SUITE 200

(Street)

PITTSBURGH PENNSYLVANIA 15205

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Montauk Renewables, Inc. [ MNTK ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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

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

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

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	05/20/2026		A(1)		282,842	A	$0.00	477,387(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. Represents Restricted Stock Units ("RSUs"). The grant of RSUs shall vest ratably on the third, fourth and fifth anniversary of date of grant. Each RSU is settled solely for one share of Common Stock.

2. Includes 282,842 RSUs.

	/s/ John Ciroli, by Power of Attorney	05/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Montauk Renewables (MNTK) report for James A. Shaw?

Montauk Renewables granted Chief Operating Officer James A. Shaw 282,842 Restricted Stock Units (RSUs). These RSUs convert into common stock on vesting and increase his direct holdings to 477,387 shares, aligning his interests more closely with shareholders over time.

How many shares did the Montauk Renewables COO hold after the latest RSU grant?

After the RSU grant, Chief Operating Officer James A. Shaw holds 477,387 shares of Montauk Renewables common stock. This total includes the 282,842 newly granted RSUs, which will settle one-for-one into common shares as they vest over future years.

How do the new RSUs granted to Montauk Renewables’ COO vest over time?

The 282,842 Montauk Renewables RSUs granted to Chief Operating Officer James A. Shaw vest ratably on the third, fourth, and fifth anniversaries of the grant date. Each vested RSU will be settled solely for one share of the company’s common stock.

Are the Montauk Renewables RSUs granted to James A. Shaw settled in cash or stock?

The RSUs granted to James A. Shaw are settled solely in Montauk Renewables common stock. Each Restricted Stock Unit converts into one share of common stock upon vesting, directly tying a portion of his compensation to the company’s equity performance.

Does the Montauk Renewables COO’s recent transaction involve an open-market stock purchase or sale?

The recent transaction for Montauk Renewables’ COO is a grant of 282,842 RSUs, not an open-market purchase or sale. It is classified as a grant or award acquisition and reflects equity-based compensation rather than discretionary trading activity in the market.