[Form 3] Montauk Renewables, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Montauk Renewables (MNTK): Initial insider ownership reported. AKTIV Investment Management (Pty) Ltd filed a Form 3 stating its beneficial ownership in Montauk Renewables. The filing lists 100 shares of common stock held directly and additional shares held indirectly through client accounts over which AKTIV has full and exclusive voting and investment authority under an agreement dated November 3, 2025.

The form was filed by one reporting person and is an administrative disclosure of beneficial ownership under Section 16.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Aktiv Investment Management (Pty) Ltd

(Last) (First) (Middle)

19 AVENUE SAINT BARTHOLOMEW FRESNAYE,

(Street)

CAPE TOWN, WESTERN CAPE T3 8005

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/03/2025

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	22,297,688	I	See Footnote(1)
Common Stock	100	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On November 3, 2025, the Reporting Person entered into an investment management agreement with certain clients under which it has been granted full and exclusive voting and investment authority over 22,297,588 Shares held by its clients.

	AKTIV INVESTMENT MANAGEMENT (PTY) LTD By: /s/ Adrian Steven Zetler, Title: Director	11/10/2025
	** 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 5 (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 AKTIV Investment Management disclose in the MNTK Form 3?

It reported beneficial ownership, including 100 shares held directly and additional indirect holdings via client accounts under an agreement dated November 3, 2025.

What is the filing type for Montauk Renewables (MNTK)?

A Form 3, which is an initial statement of beneficial ownership under Section 16.

Who filed the Form 3 for MNTK?

AKTIV Investment Management (Pty) Ltd, signed by Adrian Steven Zetler as Director of the reporting entity.

How many reporting persons are on the MNTK Form 3?

The form indicates it was filed by one reporting person.

What date triggered the Form 3 reporting for MNTK?

The event date is November 3, 2025, tied to an investment management agreement granting voting and investment authority.