Form: 4

Statement of changes in beneficial ownership of securities

February 11, 2026

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
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 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*
KAYNE ANDERSON CAPITAL ADVISORS LP
(Last) (First) (Middle)
2121 AVENUE OF THE STARS
9TH FLOOR
(Street)
LOS ANGELES CA 90067
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MACH NATURAL RESOURCES LP [ MNR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
02/09/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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 Units 02/09/2026 J(1) 227,547 D $14.56 18,960,034 I(2) Sabinal Energy Operating, LLC
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
1. Name and Address of Reporting Person*
KAYNE ANDERSON CAPITAL ADVISORS LP
(Last) (First) (Middle)
2121 AVENUE OF THE STARS
9TH FLOOR
(Street)
LOS ANGELES CA 90067
(City) (State) (Zip)
1. Name and Address of Reporting Person*
Sabinal Energy Operating, LLC
(Last) (First) (Middle)
717 TEXAS AVENUE, SUITE 2200
(Street)
HOUSTON TX 77002
(City) (State) (Zip)
Explanation of Responses:
1. As part of the purchase and sale agreement between Mach Natural Resources ("MNR") and Sabinal Energy Operating, LLC ("Sabinal") (the "PSA"), MNR issued Sabinal 19,187,581 Common Units (the "Sabinal Common Units"), as previously disclosed in the Form 3 filed on 9/22/25. In accordance with the final purchase price adjustment mechanics contained in the PSA, Sabinal has agreed to deliver to MNR 227,547 Sabinal Common Units.
2. The reported units are held by Sabinal Energy Operating, LLC, a portfolio company of a private investment fund managed by Kayne Anderson Capital Advisors, L.P.
/s/ Michael O'Neil 02/11/2026
/s/ Oren Marouni 02/11/2026
** 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.