# EDGAR Filing Document

**Accession Number:** 0002028161
**File Stem:** 0001104659-25-093973
**Filing Date:** 2025-9
**Character Count:** 8476
**Document Hash:** 6ede8aeeb8adf7af711322356275f0c7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-093973.hdr.sgml**: 20250926

**ACCESSION NUMBER**: 0001104659-25-093973

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250916

**FILED AS OF DATE**: 20250926

**DATE AS OF CHANGE**: 20250926

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** IKAV General Partner S.a r.l.
- **CENTRAL INDEX KEY:** 0002028161

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** N4
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41849
- **FILM NUMBER:** 251351719

**BUSINESS ADDRESS:**
- **STREET 1:** 1201 LOUISIANA STREET, SUITE 3400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (833) 706-0273

**MAIL ADDRESS:**
- **STREET 1:** 1201 LOUISIANA STREET, SUITE 3400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** VEPU Inc.
- **CENTRAL INDEX KEY:** 0002088389

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41849
- **FILM NUMBER:** 251351718

**BUSINESS ADDRESS:**
- **STREET 1:** 1301 MCKINNEY STREET
- **STREET 2:** SUITE 1600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77010
- **BUSINESS PHONE:** 346-348-2656

**MAIL ADDRESS:**
- **STREET 1:** 1301 MCKINNEY STREET
- **STREET 2:** SUITE 1600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77010
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MACH NATURAL RESOURCES LP
- **CENTRAL INDEX KEY:** 0001980088
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 14201 WIRELESS WAY, SUITE 300
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73134
- **BUSINESS PHONE:** (405) 252-8100

**MAIL ADDRESS:**
- **STREET 1:** 14201 WIRELESS WAY, SUITE 300
- **CITY:** OKLAHOMA CITY
- **STATE:** OK
- **ZIP:** 73134

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>IKAV General Partner S.a r.l.<br><sub>(Last) (First) (Middle)</sub><br>74A, ROUTE DE LUXEMBOURG<br><sub>(Street)</sub><br>WASSERBILLIG, N4 L-6633<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>MACH NATURAL RESOURCES LP [ MNR ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-09-16 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>VEPU Inc.<br><sub>(Last) (First) (Middle)</sub><br>1301 MCKINNEY STREET SUITE 1600<br><sub>(Street)</sub><br>HOUSTON, TX 77010<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>MACH NATURAL RESOURCES LP [ MNR ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-09-16 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Units | 25407349 | I | See Footnotes<sup>(1)(3)(4)</sup> |
| Common Units | 5203915 | I | See Footnotes<sup>(2)(3)(4)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) These common units are held directly by VEPU Inc., which is wholly owned by IDI Investment S.a r.l., which is controlled by IKAV SICAV FIS SCA, whose general partner is IKAV General Partner S.a r.l., which is wholly owned by Institut fur Kapitalanlagen und Vesicherungslosungen GmbH, whose majority owner is Constantin von Wasserschleben. This statement is jointly filed by and on behalf each of the foregoing entities and Mr. von Wasserschleben. As such, each of the foregoing entities and Mr. von Wasserschleben may be deemed to share beneficial ownership of the securities held of record by VEPU Inc.

(2) These common units are held directly by SIMLOG Inc., which is wholly owned by Simlog S.a r.l., which is controlled by IKAV SICAV FIS SCA, whose general partner is IKAV General Partner S.a r.l., which is wholly owned by Institut fur Kapitalanlagen und Vesicherungslosungen GmbH, whose majority owner is Mr. von Wasserschleben. This statement is jointly filed by and on behalf each of the foregoing entities and Mr. von Wasserschleben. As such, each of the foregoing entities and Mr. von Wasserschleben may be deemed to share beneficial ownership of the securities held of record by SIMLOG Inc.

(3) The reporting persons each disclaim beneficial ownership of the securities covered by this statement, except to the extent of the pecuniary interest of such reporting person in such securities. Each reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such reporting person is, for purposes of Section 16 of the Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise, the beneficial owner of any securities covered by this statement.

(4) The reporting persons may be deemed to be a member of a group with respect to Mach Natural Resources LP (the "Issuer") or securities of the Issuer for purposes of Section 13(d) or 13(g) of the Exchange Act. The reporting persons declare that neither the filing of this statement nor anything herein shall be construed as an admission that such persons are, for the purposes of Section 13(d) or 13(g) of the Exchange Act or any other purpose, a member of a group with respect to the Issuer or securities of the Issuer.

**Signature:** IKAV GENERAL PARTNER S.A R.L. By: /s/ Gregor Gruber Name: Gregor Gruber Title: Director By: /s/ Marco Hoopmann Name: Marco Hoopmann Title: Director  
**Date:** 2025-09-26

**Signature:** VEPU INC. By: /s/ Gregor Gruber Name: Gregor Gruber Title: Director  
**Date:** 2025-09-26

### Remarks:

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.**