Montauk Renewables CFO granted 302,982 RSUs

Van Asdalan Kevin A reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Van Asdalan Kevin A reported acquisition or exercise transactions in this Form 4 filing.

Montauk Renewables, Inc. reported that Chief Financial Officer Kevin A. Van Asdalan received an award of 302,982 shares of Common Stock in the form of Restricted Stock Units (RSUs) on May 20, 2026. The RSUs vest in three equal installments on the third, fourth, and fifth anniversaries of the grant date, and each RSU will be settled for one share of Common Stock.

After this grant, Van Asdalan directly holds 497,493 shares of Common Stock, including the 302,982 RSUs. The transaction reflects a compensation-related equity award rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 302,982 shares

Grant/Award 1 txn

Insider Van Asdalan Kevin A

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	302,982	$0.00	$0.00

Holdings After Transaction: Common Stock — 497,493 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Includes 302,982 RSUs.

Key Figures

RSUs granted: 302,982 RSUs Grant price: $0.0000 per share Shares after transaction: 497,493 shares +1 more

4 metrics

RSUs granted 302,982 RSUs Equity award to CFO on May 20, 2026

Grant price $0.0000 per share Reported price for RSU grant

Shares after transaction 497,493 shares CFO direct holdings following RSU award

Vesting schedule 3rd, 4th, 5th anniversaries RSUs vest ratably over three future dates

Key Terms

Restricted Stock Units ("RSUs"), Common Stock, vest ratably

3 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.

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.

vest ratably financial

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

FAQ

What insider transaction did Montauk Renewables (MNTK) report for its CFO?

Montauk Renewables reported that CFO Kevin A. Van Asdalan received a grant of 302,982 Restricted Stock Units. These RSUs represent Common Stock awarded as equity compensation rather than an open-market purchase, aligning his interests with shareholders through long-term stock-based incentives.

How many Montauk Renewables (MNTK) shares does the CFO hold after this Form 4?

Following the RSU grant, CFO Kevin A. Van Asdalan directly holds 497,493 shares of Common Stock. This figure includes the 302,982 Restricted Stock Units reported, which each convert into one share as they vest over the specified multi-year schedule.

What are the vesting terms of the 302,982 RSUs granted by Montauk Renewables (MNTK)?

The 302,982 RSUs granted to the CFO vest ratably on the third, fourth, and fifth anniversaries of the grant date. Each vested RSU is settled solely in one share of Montauk Renewables Common Stock, creating a staggered, long-term equity incentive structure.

Did the Montauk Renewables (MNTK) CFO pay a purchase price for the granted shares?

No cash purchase price was paid for the RSU grant; the reported price per share is zero. The 302,982 Restricted Stock Units represent a compensation-related equity award, which will convert into shares over time as vesting conditions are satisfied.

Is the Montauk Renewables (MNTK) CFO’s Form 4 transaction an open-market buy or a grant?

The Form 4 transaction is a grant of Restricted Stock Units, not an open-market purchase. It is reported under code “A” for grant or award acquisition, reflecting stock-based compensation rather than a discretionary buy on the public market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/22/2026 - 04:53 PM Learn about SEC filing dates

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^*

Van Asdalan Kevin 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 Financial 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)		302,982	A	$0.00	497,493(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 302,982 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)