Mach Natural Resources Insiders File Form 4 for Future Disclosures

TL;DR

**Insiders at Mach Natural Resources just filed a Form 4, meaning we'll see their stock moves soon.**

AI Summary

This Form 4 filing, dated March 23, 2026, indicates that BCE-Mach Aggregator LLC, Bayou City Energy Management LLC, and McMullen William Wallace are reporting entities related to Mach Natural Resources LP. The filing itself doesn't detail specific transactions (like buys or sells) but rather establishes these entities as insiders required to report changes in their beneficial ownership of Mach Natural Resources LP securities. This matters to investors because it sets the stage for future transparency; any significant stock transactions by these insiders, who likely have deep knowledge of the company, will be publicly disclosed, offering valuable insights into their confidence in the company's future.

Why It Matters

This filing ensures transparency regarding future stock transactions by key insiders, which can signal their confidence or concerns about Mach Natural Resources LP's prospects.

Risk Assessment

Risk Level: low — This filing is purely administrative, establishing reporting obligations for insiders, and does not indicate any immediate financial risk or opportunity.

Analyst Insight

Investors should add BCE-Mach Aggregator LLC, Bayou City Energy Management LLC, and McMullen William Wallace to their watchlists for Mach Natural Resources LP, as any future Form 4 filings from these entities detailing stock purchases or sales could provide valuable insights into insider sentiment.

Key Players & Entities

• BCE-Mach Aggregator LLC (company) — Reporting entity
• Bayou City Energy Management LLC (company) — Reporting entity
• McMullen William Wallace (person) — Reporting entity
• Mach Natural Resources LP (company) — Issuer of securities

FAQ

Key Financial Figures

• $13.99 — ple transactions at prices ranging from $13.99 to $14.00, inclusive. The Reporting Per
• $14 — ctions at prices ranging from $13.99 to $14.00, inclusive. The Reporting Persons un
• $13.535 — ple transactions at prices ranging from $13.535 to $13.65, inclusive. The Reporting Per
• $13 — tions at prices ranging from $13.535 to $13.65, inclusive. The Reporting Persons un

Filing Documents

• ownership.html (4)
• ownership.xml (4) — 11KB
• 0001213900-26-032917.txt ( ) — 14KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * McMullen William Wallace (Last) (First) (Middle) 14201 WIRELESS WAY SUITE 300 (Street) OKLAHOMA CITY OKLAHOMA 73134 (City) (State) (Zip) UNITED STATES (Country) 2. Issuer Name and Ticker or Trading Symbol MACH NATURAL RESOURCES LP [ MNR ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks 2a. Foreign Trading Symbol 3. Date of Earliest Transaction (Month/Day/Year) 03/19/2026 6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Units 03/19/2026 P 3,570 (1) A $ 14 (2) 74,854,202 (4) I See footnote (4) Common Units 03/20/2026 P 2,500 (1) A $ 14 74,856,702 (4) I See footnote (4) Common Units 03/23/2026 P 3,215 (1) A $ 13.63 (3) 74,859,917 (4) I See footnote (4) Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares 1. Name and Address of Reporting Person * McMullen William Wallace (Last) (First) (Middle) 14201 WIRELESS WAY SUITE 300 (Street) OKLAHOMA CITY OKLAHOMA 73134 (City) (State) (Zip) UNITED STATES (Country) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) X Other (specify below) See Remarks 1. Name and Address of Reporting Person * BCE-Mach Aggregator LLC (Last) (First) (Middle) C/O BAYOU CITY ENERGY, L.P. 2229 SAN FELIPE STREET, SUITE 1075 (Street) HOUSTON TEXAS 77019 (City) (State) (Zip) UNITED STATES (Country) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below) 1. Name and Address of Reporting Person * BAYOU CITY ENERGY MANAGEMENT LLC (Last) (First) (Middle) C/O BAYOU CITY ENERGY, L.P. 2229 SAN FELIPE STREET, SUITE 1075 (Street) HOUSTON TEXAS 77019 (City) (State) (Zip) UNITED STATES (Country) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below) Explanation of Responses: 1. These common units were purchased by Bayou City Energy Management LLC ("BCEM"). 2. 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. 3. The price reported in Column 4 is a weighted average price. These common units were purchased by BCEM in multiple tr

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