William Wallace McMullen is a director and 10% owner of Mach Natural Resources LP (MNR), serving as the Managing Partner of Bayou City Energy Management LLC (BCEM)( As of March 2026, McMullen beneficially owns approximately 74.8 million common units of Mach Natural Resources, making him a significant stakeholder in the energy company( His estimated net worth is at least $1.1 billion, primarily derived from his substantial holdings in MNR(

McMullen has demonstrated active engagement in his investment through consistent insider trading activity, with five transactions recorded over the past five years, all of which were purchases totaling a net acquisition of 6.5 million units( Most recently, in March 2026, he acquired 9,285 shares valued at approximately $128,800, signaling continued confidence in the company's prospects( His business address is listed in Oklahoma City, Oklahoma( and he maintains governance involvement through his directorship of Mach Natural Resources GP LLC, the general partner that manages the issuer(

Written by Perplexity from public sources.

Filings come from SEC EDGAR. Not investment advice.