IKAV General Partner S.a r.l. - 15 May 2026 Form 4 Insider Report for MACH NATURAL RESOURCES LP (MNR)

Reporting relationship: 10%+ Owner
Issuer ticker: MNR
Reported as of: 15 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 May 2026, 21:45:09 UTC
Prior SEC filing: 10 Apr 2026
Source filing: View source filing
Reporting owner 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

Key filing fact

IKAV General Partner S.a r.l. filed Form 4 for MACH NATURAL RESOURCES LP (MNR) on 19 May 2026.

Key facts

This page summarizes IKAV General Partner S.a r.l.'s Form 4 filing for MACH NATURAL RESOURCES LP (MNR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 May 2026, 21:45.

Change

Previous filing in this sequence was filed on 10 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (2)

CIK 0002028161 Primary reporting owner

IKAV General Partner S.a r.l.

Relationship: 10%+ Owner
Address: 74A, ROUTE DE LUXEMBOURG, WASSERBILLIG, LUXEMBOURG
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
Signature date: 19 May 2026

CIK 0002088389

VEPU Inc.

Relationship: 10%+ Owner
Address: 1301 MCKINNEY STREET SUITE 1600, HOUSTON
Signature: VEPU INC. By: /s/ Gregor Gruber Name: Gregor Gruber Title: Director
Signature date: 19 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MNR transaction

Common Units

Other

Transaction value
Shares: -1,422,476
Change %: -6.8%
Price: $14.06^*
Shares after: 19,371,999
Date: 15 May 2026
Ownership: See footnote
Footnotes: F1, F2, F4, F5

MNR transaction

Common Units

Other

Transaction value
Shares: -1,422,476
Change %: -6.8%
Price: $14.06^*
Shares after: 19,371,999
Date: 15 May 2026
Ownership: See footnote
Footnotes: F1, F2, F4, F5

MNR holding

Common Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,259,110
Date: 15 May 2026
Ownership: See footnote
Footnotes: F3, F4, F5

MNR holding

Common Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,259,110
Date: 15 May 2026
Ownership: See footnote
Footnotes: F3, F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

On May 6, 2026, SIMLOG INC., VEPU Inc. and Mach Natural Resources LP (the "Issuer") entered into a settlement agreement and third amendment to membership interest purchase agreement, pursuant to which, among other things, 1,422,476 common units held by VEPU Inc. were retired and cancelled to reflect the final adjusted purchase price under that certain Membership Interest Purchase Agreement, dated as of July 9, 2025, by and among SIMLOG INC., VEPU Inc. and the Issuer.

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

Footnote F5

The reporting persons may be deemed to be a member of a group with respect to 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.