Mach Natural Resources director receives unit award

The award represents a contingent right to one common unit per phantom unit and vests after one year of continued service.

Available on EDGAR 10/30/2026 - 04:10 PM EDT Accepted by SEC EDGAR 10/30/2026 - 04:10 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

MACH NATURAL RESOURCES LP reported that Stephen C. Perich, a director of Mach Natural Resources GP LLC, its general partner, acquired 11,539 phantom units on October 28, 2026, at a reported price of $13.00 per unit. Each phantom unit represents a contingent right to receive one common unit upon vesting. The units vest on the first anniversary of the grant date, subject to continued service. His reported position following the transaction was 40,650 units.

Insider Trade Summary

Grant/Award: 11,539 shares

Grant/Award 1 txn

Insider Perich Stephen C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Units F1	11,539	$13.00	$150K

Holdings After Transaction: Common Units — 40,650 shares (Direct)

Footnotes (1)

1. F1. The reported securities represent phantom units. Each phantom unit represents the contingent right to receive one common unit of the Issuer upon vesting. The phantom units will vest on the first anniversary of the grant date, subject in each case to the continued service through such dates.

Key Figures

Phantom units acquired: 11,539 units Reported price per phantom unit: $13.00 per unit Reported position following transaction: 40,650 units

3 metrics

Phantom units acquired 11,539 units Award reported for October 28, 2026

Reported price per phantom unit $13.00 per unit Award reported for October 28, 2026

Reported position following transaction 40,650 units After the October 28, 2026 transaction

Key Terms

phantom units, contingent right, vesting

3 terms

phantom units financial

"reported securities represent phantom units"

Phantom units are a form of employee compensation that mimics ownership in a company without issuing real shares: recipients receive cash or stock value tied to the company’s share price or performance when the units vest. They matter to investors because phantom units align employee incentives with shareholder value while avoiding share dilution; however, they create future cash obligations and can affect a company’s financial statements and cash flow.

contingent right financial

"Each phantom unit represents the contingent right"

vesting financial

"upon vesting"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MNR phantom units did director Stephen C. Perich acquire?

Stephen C. Perich acquired 11,539 phantom units on October 28, 2026, at a reported price of $13.00 per unit.

When do Stephen C. Perich's MNR phantom units vest?

The phantom units vest on the first anniversary of the grant date, subject to continued service. Each phantom unit represents a contingent right to receive one common unit upon vesting.

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

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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^*

Perich Stephen C

(Last) (First) (Middle)

14201 WIRELESS WAY, SUITE 300

(Street)

OKLAHOMA CITY OKLAHOMA 73134

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MACH NATURAL RESOURCES LP [ MNR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2026

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 Units	10/28/2026		A		11,539(1)	A	$13	40,650	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. The reported securities represent phantom units. Each phantom unit represents the contingent right to receive one common unit of the Issuer upon vesting. The phantom units will vest on the first anniversary of the grant date, subject in each case to the continued service through such dates.

Remarks:

The Reporting Person is a Director of Mach Natural Resources GP LLC, the general partner of the Issuer (the "General Partner"). The Issuer is managed by the directors and executive officers of the General Partner.

	/s/ Michael E. Reel, as attorney-in-fact for the Reporting Person	10/30/2026
	** 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)