William Wallace McMullen bought $372K of Mach Natural Resources LP (MNR)
Executed Dec 8 2025, disclosed Dec 10 2025, 2 days later.
Over the 21 trading sessions from the disclosed entry session (Dec 10 2025), the stock returned -11.4% (delay-adjusted); from the execution session (Dec 8 2025), -13.2%. Derived: entry at the session's open, exit at the close 20 sessions later.
William Wallace McMullen (Director) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in Mach Natural Resources LP (MNR). Across 1 priced purchase filing, the average 21-session return was -13.2% from execution and -11.4% from disclosure (delay-adjusted; derived). The largest single filing was $389K of MNR (34,514 sh across 2 lots, as filed), executed Sep 15.
Energy · Mach Natural Resources LP, an independent upstream oil and gas company, focuses on the acquisition, development, and production of oil, nat…
More Energy filings→ Insider filings, newest first→ View the original filing at www.sec.gov→34,514 sh across 2 lots
Exec Sep 15
Filed Sep 17 · 5:11 PM ET MNRPURCHASE Mach Natural Resources LP $4.2M
280,400 sh across 2 lots
Exec Jun 13 2025
Filed Jun 17 2025 · 5:30 PM ET MNRPURCHASE Mach Natural Resources LP $3.4M
245,129 sh across 3 lots
Exec Jun 10 2025
Filed Jun 12 2025 · 5:30 PM ET MNRPURCHASE Mach Natural Resources LP $80.0M
5,161,290 sh × $15.50
Exec Feb 7 2025
Filed Feb 10 2025 · 5:30 PM ET MNRPURCHASE Mach Natural Resources LP $8.7M
562,729 sh across 3 lots
Exec Dec 13 2024
Filed Dec 17 2024 · 5:30 PM ET MNRPURCHASE Mach Natural Resources LP $5.0M
336,758 sh across 3 lots
Exec Dec 10 2024
Filed Dec 12 2024 · 5:30 PM ET