{"transactions":[{"id":4621696,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":2,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2026-09-17T21:11:13.000Z","date":"2026-09-15","kind":"purchase","planned":false,"acquired":true,"shares":12390,"price":11.3,"value":140007.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by Bayou City Energy Management LLC (\"BCEM\") in multiple transactions at prices ranging from $11.28 to $11.30, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by Bayou City Energy Management LLC (\"BCEM\") in multiple transactions at prices ranging from $11.28 to $11.30, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 36,368 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, William W. McMullen may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":74872307,"source":{"system":"sec-edgar","filing":"0001213900-26-101024","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1980088/000121390026101024/ownership.xml","form_type":"4"}},{"id":4621695,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":2,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2026-09-17T21:11:13.000Z","date":"2026-09-15","kind":"purchase","planned":false,"acquired":true,"shares":22124,"price":11.25,"value":248895.0,"ownership":{"direct":true},"balance_after":22124,"source":{"system":"sec-edgar","filing":"0001213900-26-101024","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1980088/000121390026101024/ownership.xml","form_type":"4"}},{"id":831012,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2026-03-23T16:05:11.000Z","date":"2026-03-23","kind":"purchase","planned":false,"acquired":true,"shares":3215,"price":13.63,"value":43820.45,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by Bayou City Energy Management LLC (\"BCEM\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCEM in multiple transactions at prices ranging from $13.535 to $13.65, inclusive. The Reporting Persons undertake 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 (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74859917,"source":{"system":"sec-edgar","filing":"0001213900-26-032917","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390026032917/ownership.xml","form_type":"4"}},{"id":831011,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2026-03-23T16:05:11.000Z","date":"2026-03-20","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":14,"value":35000.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by Bayou City Energy Management LLC (\"BCEM\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74856702,"source":{"system":"sec-edgar","filing":"0001213900-26-032917","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390026032917/ownership.xml","form_type":"4"}},{"id":831010,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2026-03-23T16:05:11.000Z","date":"2026-03-19","kind":"purchase","planned":false,"acquired":true,"shares":3570,"price":14,"value":49980.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by Bayou City Energy Management LLC (\"BCEM\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCEM in multiple transactions at prices ranging from $13.99 to $14.00, inclusive. The Reporting Persons undertake 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 (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Mach Aggregator LLC (\"BCE Aggregator\") and 23,978 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74854202,"source":{"system":"sec-edgar","filing":"0001213900-26-032917","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390026032917/ownership.xml","form_type":"4"}},{"id":974691,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-12-10T16:05:18.000Z","date":"2025-12-09","kind":"purchase","planned":false,"acquired":true,"shares":17500,"price":12.32,"value":215600.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by BCE-Mach Aggregator LLC (\"BCE Aggregator\")."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE Aggregator in multiple transactions at prices ranging from $12.30 to $12.35, inclusive. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote (3) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Aggregator and 14,693 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Aggregator and 14,693 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74850632,"source":{"system":"sec-edgar","filing":"0001213900-25-120073","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025120073/ownership.xml","form_type":"4"}},{"id":974690,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-12-10T16:05:18.000Z","date":"2025-12-08","kind":"purchase","planned":false,"acquired":true,"shares":12500,"price":12.53,"value":156625.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by BCE-Mach Aggregator LLC (\"BCE Aggregator\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE Aggregator in multiple transactions at prices ranging from $12.44 to $12.67, inclusive. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Aggregator and 14,693 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,835,939 by BCE Aggregator and 14,693 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74833132,"source":{"system":"sec-edgar","filing":"0001213900-25-120073","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025120073/ownership.xml","form_type":"4"}},{"id":996056,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-11-18T16:05:14.000Z","date":"2025-11-14","kind":"purchase","planned":false,"acquired":true,"shares":4608,"price":11.85,"value":54604.8,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by Bayou City Energy Management LLC (\"BCEM\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCEM in multiple transactions at prices ranging from $11.84 to $11.87, inclusive. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE-Mach Aggregator LLC (\"BCE Aggregator\") and 14,693 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE-Mach Aggregator LLC (\"BCE Aggregator\") and 14,693 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74820632,"source":{"system":"sec-edgar","filing":"0001213900-25-112091","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025112091/ownership.xml","form_type":"4"}},{"id":1069075,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-08-12T08:00:25.000Z","date":"2025-08-11","kind":"purchase","planned":false,"acquired":true,"shares":3085,"price":14.39,"value":44393.15,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These common units were purchased by Bayou City Energy Management LLC (\"BCEM\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE-Mach Aggregator LLC (\"BCE Aggregator\") and 10,085 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE-Mach Aggregator LLC (\"BCE Aggregator\") and 10,085 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74816024,"source":{"system":"sec-edgar","filing":"0001213900-25-074636","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025074636/ownership.xml","form_type":"4"}},{"id":1108307,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-06-17T17:03:30.000Z","date":"2025-06-16","kind":"purchase","planned":false,"acquired":true,"shares":144900,"price":14.96,"value":2167704.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE Aggregator in multiple transactions at prices ranging from $14.82 to $15.00, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE Aggregator and 7,000 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74812939,"source":{"system":"sec-edgar","filing":"0001213900-25-055246","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025055246/ownership.xml","form_type":"4"}},{"id":1108306,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-06-17T17:03:30.000Z","date":"2025-06-13","kind":"purchase","planned":false,"acquired":true,"shares":135500,"price":14.72,"value":1994560.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE-Mach Aggregator LLC (\"BCE Aggregator\") in multiple transactions at prices ranging from $14.52 to $14.75, inclusive. The Reporting Persons 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"After the reported transactions, the reported common units are directly held 74,805,939 by BCE Aggregator and 7,000 by Bayou City Energy Management LLC (\"BCEM\"). BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74668039,"source":{"system":"sec-edgar","filing":"0001213900-25-055246","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025055246/ownership.xml","form_type":"4"}},{"id":1113777,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-06-12T17:25:34.000Z","date":"2025-06-12","kind":"purchase","planned":false,"acquired":true,"shares":93500,"price":14.29,"value":1336115.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE Aggregator in multiple transactions at prices ranging from $13.99 to $14.45, 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 (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,525,539 by BCE Aggregator and 7,000 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74532539,"source":{"system":"sec-edgar","filing":"0001213900-25-053925","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025053925/ownership.xml","form_type":"4"}},{"id":1113776,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-06-12T17:25:34.000Z","date":"2025-06-11","kind":"purchase","planned":false,"acquired":true,"shares":72411,"price":14.01,"value":1014478.11,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased by BCE Aggregator in multiple transactions at prices ranging from $13.77 to $14.21, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,525,539 by BCE Aggregator and 7,000 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74439039,"source":{"system":"sec-edgar","filing":"0001213900-25-053925","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025053925/ownership.xml","form_type":"4"}},{"id":1113775,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-06-12T17:25:34.000Z","date":"2025-06-10","kind":"purchase","planned":false,"acquired":true,"shares":79218,"price":13.58,"value":1075780.44,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. BCE-Mach Aggregator LLC (\"BCE Aggregator\") purchased 72,218 common units and Bayou City Energy Management LLC (\"BCEM\") purchased 7,000 common units. These common units were purchased in multiple transactions at prices ranging from $13.48 to $13.68, inclusive. The Reporting Persons 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"After the reported transactions, the reported common units are directly held 74,525,539 by BCE Aggregator and 7,000 by BCEM. BCE Aggregator is indirectly managed by BCEM. William W. McMullen is the Managing Partner of BCEM. Accordingly, each of the Reporting Persons may be deemed to beneficially own the securities directly held by BCE Aggregator and BCEM, as applicable, but disclaim beneficial ownership of such common units except to the extent of their respective pecuniary interest therein."}],"balance_after":74366628,"source":{"system":"sec-edgar","filing":"0001213900-25-053925","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025053925/ownership.xml","form_type":"4"}},{"id":1276815,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2025-02-10T18:07:45.000Z","date":"2025-02-07","kind":"purchase","planned":false,"acquired":true,"shares":5161290,"price":15.5,"value":79999995.0,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As previously disclosed in the Issuer's prospectus supplement dated February 6, 2025, filed with the U.S. Securities and Exchange Commission on February 6, 2025, the Issuer completed a public underwritten offering of common units. BCE-Mach Aggregator LLC purchased 5,161,290 common units at a price to the public of $15.50 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":74287410,"source":{"system":"sec-edgar","filing":"0001213900-25-011848","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390025011848/ownership.xml","form_type":"4"}},{"id":1329266,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-17T18:47:58.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":313978,"price":15.62,"value":4904336.36,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $15.265 to $15.75, 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, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":69126120,"source":{"system":"sec-edgar","filing":"0001213900-24-109881","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024109881/ownership.xml","form_type":"4"}},{"id":1329265,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-17T18:47:58.000Z","date":"2024-12-16","kind":"purchase","planned":false,"acquired":true,"shares":150000,"price":15.33,"value":2299500.0,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $15.10 to $15.46, 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, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68812142,"source":{"system":"sec-edgar","filing":"0001213900-24-109881","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024109881/ownership.xml","form_type":"4"}},{"id":1329264,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-17T18:47:58.000Z","date":"2024-12-13","kind":"purchase","planned":false,"acquired":true,"shares":98751,"price":15.28,"value":1508915.28,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $14.98 to $15.44, 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, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68662142,"source":{"system":"sec-edgar","filing":"0001213900-24-109881","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024109881/ownership.xml","form_type":"4"}},{"id":1334223,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-12T19:44:05.000Z","date":"2024-12-12","kind":"purchase","planned":false,"acquired":true,"shares":146758,"price":15.01,"value":2202837.58,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $14.61 to $15.25, 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, upon request, full information regarding the number of common units purchased at each separate price within the ranges set forth in this footnote (3) to this Form 4."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68563391,"source":{"system":"sec-edgar","filing":"0001213900-24-108546","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024108546/ownership.xml","form_type":"4"}},{"id":1334222,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-12T19:44:05.000Z","date":"2024-12-11","kind":"purchase","planned":false,"acquired":true,"shares":125000,"price":14.99,"value":1873750.0,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $14.67 to $15.15, 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, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68416633,"source":{"system":"sec-edgar","filing":"0001213900-24-108546","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024108546/ownership.xml","form_type":"4"}},{"id":1334221,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2024-12-12T19:44:05.000Z","date":"2024-12-10","kind":"purchase","planned":false,"acquired":true,"shares":65000,"price":14.83,"value":963950.0,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These common units were purchased in multiple transactions at prices ranging from $14.72 to $15.00, 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, 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68291633,"source":{"system":"sec-edgar","filing":"0001213900-24-108546","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390024108546/ownership.xml","form_type":"4"}},{"id":1753265,"issuer":{"id":4469,"kind":"organization","name":"MACH NATURAL RESOURCES LP","symbol":"MNR"},"owners":[{"id":56579,"kind":"person","name":"McMullen William Wallace","position":1,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":56580,"kind":"organization","name":"BCE-Mach Aggregator LLC","position":2,"cik":"0001997530","reported_name":"BCE-Mach Aggregator LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":3,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Units","published_at":"2023-10-31T16:30:14.000Z","date":"2023-10-27","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":3009999,"price":17.67,"value":53186682.33,"ownership":{"direct":false,"nature":"Held by BCE-Mach Aggregator LLC"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On October 27, 2023, the Issuer used a portion of the net proceeds from the closing of its initial public offering (\"IPO\") of common units to purchase common units from certain of the Issuer's pre-IPO unitholders, including the Reporting Person, at a price of $17.67 per unit (such price per unit being the price that the Issuer received from the underwriters in the IPO, net of the underwriting discounts and commissions)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"BCE-Mach Aggregator LLC is indirectly managed by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the common units which BCE-Mach Aggregator LLC beneficially owns. Mr. McMullen disclaims beneficial ownership of such common units except to the extent of his pecuniary interest therein."}],"balance_after":68226633,"source":{"system":"sec-edgar","filing":"0001213900-23-081831","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1997530/000121390023081831/ownership.xml","form_type":"4"}},{"id":3822057,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-09-07T19:55:59.000Z","date":"2018-09-07","kind":"purchase","acquired":true,"shares":26111,"price":4.65,"value":121416.15,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.63 to $4.65, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":4133911,"source":{"system":"sec-edgar","filing":"0000899243-18-024042","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318024042/doc4.xml","form_type":"4"}},{"id":3822056,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-09-07T19:55:59.000Z","date":"2018-09-06","kind":"purchase","acquired":true,"shares":211000,"price":4.72,"value":995920.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.67 to $4.74, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":4107800,"source":{"system":"sec-edgar","filing":"0000899243-18-024042","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318024042/doc4.xml","form_type":"4"}},{"id":3822055,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-09-07T19:55:59.000Z","date":"2018-09-05","kind":"purchase","acquired":true,"shares":74000,"price":4.8,"value":355200.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.77 to $4.81, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":3896800,"source":{"system":"sec-edgar","filing":"0000899243-18-024042","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318024042/doc4.xml","form_type":"4"}},{"id":3828832,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-08-31T16:10:22.000Z","date":"2018-08-30","kind":"purchase","acquired":true,"shares":244000,"price":4.89,"value":1193160.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.90, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":3822800,"source":{"system":"sec-edgar","filing":"0000899243-18-023641","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318023641/doc4.xml","form_type":"4"}},{"id":3828831,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-08-31T16:10:22.000Z","date":"2018-08-29","kind":"purchase","acquired":true,"shares":178000,"price":4.9,"value":872200.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.86 to $4.90, inclusive."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":3578800,"source":{"system":"sec-edgar","filing":"0000899243-18-023641","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318023641/doc4.xml","form_type":"4"}},{"id":3837264,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-08-21T21:08:54.000Z","date":"2018-08-21","kind":"purchase","acquired":true,"shares":1069000,"price":4.41,"value":4714290.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":3400800,"source":{"system":"sec-edgar","filing":"0000899243-18-022936","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318022936/doc4.xml","form_type":"4"}},{"id":3837263,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-08-21T21:08:54.000Z","date":"2018-08-20","kind":"purchase","acquired":true,"shares":950000,"price":4.25,"value":4037500.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":2331800,"source":{"system":"sec-edgar","filing":"0000899243-18-022936","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318022936/doc4.xml","form_type":"4"}},{"id":3837262,"issuer":{"id":154261,"kind":"organization","name":"Alta Mesa Resources, Inc. /DE","symbol":"AMR"},"owners":[{"id":56581,"kind":"organization","name":"BAYOU CITY ENERGY MANAGEMENT LLC","position":1,"cik":"0001742941","reported_name":"BAYOU CITY ENERGY MANAGEMENT LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":56579,"kind":"person","name":"McMullen William Wallace","position":2,"cik":"0001730172","reported_name":"McMullen William Wallace","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2018-08-21T21:08:54.000Z","date":"2018-08-17","kind":"purchase","acquired":true,"shares":1381800,"price":4.34,"value":5997012.0,"ownership":{"direct":false,"nature":"Through BCE-AMR Holdings LLC"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Each of BCE-AMH Holdings, LLC and BCE-MESA Holdings, LLC (collectively, the \"BCE Holders\"), and BCE-AMR Holdings LLC (\"BCE-AMR\"), are managed, directly or indirectly, by Bayou City Energy Management LLC (\"BCEM\"). William W. McMullen is the Managing Partner of BCEM. Each of BCEM (by virtue of its relationship with the BCE Holders and BCE-AMR) and Mr. McMullen (by virtue of his relationship with BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class C Common Stock which the BCE Holders beneficially own and the Class A Common Stock which BCE-AMR owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"(Continued from footnote 4) Mr. McMullen (by virtue of his relationship to BCEM) may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under the Act) the Class A Common Stock and the Class C Common Stock which BCEM beneficially owns. Mr. McMullen disclaims beneficial ownership of such Class A Common Stock and Class C Common Stock except to the extent of his pecuniary interest therein."}],"balance_after":1381800,"source":{"system":"sec-edgar","filing":"0000899243-18-022936","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1690769/000089924318022936/doc4.xml","form_type":"4"}}]}