SEC EDGAR · Insider purchase
MNR: WARD TOM L. reported buying shares
2 reported purchases of non-derivative securities. Code P includes open-market and private purchases; it does not establish motive.
Follow MNR- Became public
- Nov 12, 2026, 6:14 AM EST
- Event / period date
- Nov 9, 2026
- Collected
- Nov 12, 2026, 6:16 AM EST
Why this is connected
This filing identifies MACH NATURAL RESOURCES LP as the issuer of the security. The company's SEC identifier connects it to MNR.
Reported transactions
WARD TOM L. (See Remarks)
55,000 shares · Common Units
Nov 9, 2026 · $9.21 per share
55,000 shares · Common Units
Nov 10, 2026 · $9.13 per share
Value calculated from the reported shares and prices: $1,008,700.00.
Code P covers open-market and private purchases. Grants, option exercises, and tax withholding are excluded from purchase results. Read the source footnotes for ownership and pricing details.
Source evidence
Read the source excerpt or record
<?xml version="1.0"?>
<ownershipDocument>
<schemaVersion>X0609</schemaVersion>
<documentType>4</documentType>
<periodOfReport>2026-11-09</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
<issuer>
<issuerCik>0001980088</issuerCik>
<issuerName>MACH NATURAL RESOURCES LP</issuerName>
<issuerTradingSymbol>MNR</issuerTradingSymbol>
<issuerForeignTradingSymbol></issuerForeignTradingSymbol>
</issuer>
<reportingOwner>
<reportingOwnerId>
<rptOwnerCik>0001038276</rptOwnerCik>
<rptOwnerName>WARD TOM L.</rptOwnerName>
</reportingOwnerId>
<reportingOwnerAddress>
<rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
<rptOwnerStreet1>14201 WIRELESS WAY, SUITE 300</rptOwnerStreet1>
<rptOwnerStreet2></rptOwnerStreet2>
<rptOwnerCity>OKLAHOMA CITY</rptOwnerCity>
<rptOwnerState>OK</rptOwnerState>
<rptOwnerZipCode>73134</rptOwnerZipCode>
<rptOwnerStateDescription></rptOwnerStateDescription>
</reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>1</isTenPercentOwner>
<isOther>1</isOther>
<officerTitle>See Remarks</officerTitle>
<otherText>See Remarks</otherText>
</reportingOwnerRelationship>
</reportingOwner>
<aff10b5One>0</aff10b5One>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<transactionDate>
<value>2026-11-09</value>
</transactionDate>
<deemedExecutionDate></deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>P</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>55000</value>
</transactionShares>
<transactionPricePerShare>
<value>9.21</value>
<footnoteId id="F1"/>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>13522452</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Held by Tom L. Ward 1992 Revocable Living Trust</value>
<footnoteId id="F3"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<transactionDate>
<value>2026-11-10</value>
</transactionDate>
<deemedExecutionDate></deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>P</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>55000</value>
</transactionShares>
<transactionPricePerShare>
<value>9.13</value>
<footnoteId id="F2"/>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>A</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>13577452</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Held by Tom L. Ward 1992 Revocable Living Trust</value>
<footnoteId id="F3"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeHolding>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>421100</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Held by Mach Resources LLC</value>
<footnoteId id="F4"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
<nonDerivativeHolding>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>167030</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Held by Tom L. Ward Family Foundation</value>
<footnoteId id="F5"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
<nonDerivativeHolding>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>76628</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>I</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value>Held by WCT Resources LLC</value>
<footnoteId id="F6"/>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
<nonDerivativeHolding>
<securityTitle>
<value>Common Units</value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>14315136</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<footnotes>
<footnote id="F1">The price reported in Column 4 is a weighted average price. These common units were purchased by the Tom L. Ward 1992 Revocable Living Trust (the "Trust") in multiple transactions at prices ranging from $9.14 to $9.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.</footnote>
<footnote id="F2">The price reported in Column 4 is a weighted average price. These common units were purchased by the Trust in multiple transactions at prices ranging from $9.05 to $9.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4.</footnote>
<footnote id="F3">The Reporting Person is the Trustee of the Trust. By virtue of the relationship, the Reporting Person may be deemed to have or share beneficial ownership of the securities held of record by the Trust, but the Reporting Person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly, or indirectly.</footnote>
<footnote id="F4">The Reporting Person exercises control over Mach Resources LLC ("Mach Resources"). Mach Resources is owned 50.5% by Tom L. Ward through the Trust and 49.5% by WCT Resources which is owned by certain trusts affiliated with Mr. Ward. By virtue of the relationship, the Reporting Person may be deemed to have or share beneficial ownership of the securities held of record by Mach Resources, but the Reporting Person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.</footnote>
<footnote id="F5">The Reporting Person exercises control over the Tom L. Ward Family Foundation (the "Foundation"). By virtue of the relationship, the Reporting Person may be deemed to have or share beneficial ownership of the securities held of record by the Foundation, but the Reporting Person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly, or indirectly.</footnote>
<footnote id="F6">The Reporting Person exercises control over WCT Resources which is owned by certain trusts affiliated with Mr. Ward. By virtue of the relationship, the Reporting Person may be deemed to have or share beneficial ownership of the securities held of record by WCT Resources, but the Reporting Person disclaims any beneficial ownership of the reported securities other than to the extent of any pecuniary interest he may have therein, directly or indirectly.</footnote>
</footnotes>
<remarks>The Reporting Person is Chief Executive Officer 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.</remarks>
<ownerSignature>
<signatureName>/s/ Michael E. Reel, as attorney-in-fact for the Reporting Person</signatureName>
<signatureDate>2026-11-12</signatureDate>
</ownerSignature>
</ownershipDocument>Original documents control. Public records can be amended, and company connections may require interpretation. Nothing here is investment advice.