Mach Natural Resources Lp (MNR) Insider Ownership

Historic Insider Ownership Trends

As of April 25, 2026, the three largest insider holders of MNR are William Wallace Mcmullen (Director, 74.86Mn shares), William Wallace Mcmullen (Director, 74.86Mn shares), William Wallace Mcmullen (Director, 74.86Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
William Wallace Mcmullen - 0 74,859,917 23 Mar, 2026
William Wallace Mcmullen - 0 74,859,917 23 Mar, 2026
William Wallace Mcmullen - 0 74,859,917 23 Mar, 2026
William Wallace Mcmullen - 0 74,859,917 23 Mar, 2026
William Wallace Mcmullen - 0 74,287,410 10 Feb, 2025
William Wallace Mcmullen - 0 74,287,410 10 Feb, 2025
William Wallace Mcmullen - 0 74,287,410 10 Feb, 2025
William Wallace Mcmullen - 0 74,287,410 10 Feb, 2025
Anderson Capital Advisors Lp Kayne - 0 18,960,034 11 Feb, 2026
Tom L. Ward - 13,728,593 0 30 Oct, 2025
Tom L. Ward - 0 13,639,511 31 Oct, 2023
Tom L. Ward - 0 13,371,667 13 Apr, 2026
General Partner S.A R.L. Ikav - 0 4,259,110 10 Apr, 2026
General Partner S.A R.L. Ikav - 0 4,259,110 10 Apr, 2026
Daniel T Jr. Reineke - 767,054 0 31 Oct, 2023
Daniel T Jr. Reineke - 767,054 0 31 Oct, 2023
Daniel T Jr. Reineke - 767,054 0 31 Oct, 2023
Daniel T Jr. Reineke - 767,054 0 31 Oct, 2023
Kevin R. White - 455,871 0 11 Feb, 2026
Kevin R. White - 455,871 0 11 Feb, 2026
Kevin R. White - 455,871 0 11 Feb, 2026
Kevin R. White - 455,871 0 11 Feb, 2026
Tom L. Ward - 0 167,030 01 Dec, 2025
Michael E Reel - 85,816 0 11 Feb, 2026
Michael E Reel - 85,816 0 11 Feb, 2026
Michael E Reel - 85,816 0 11 Feb, 2026
Michael E Reel - 85,816 0 11 Feb, 2026
Stephen C Perich - 29,111 0 30 Oct, 2025
Stephen C Perich - 29,111 0 30 Oct, 2025
Frank A Keating - 29,111 0 30 Oct, 2025
Edgar R. Jr. Giesinger - 29,111 0 30 Oct, 2025
Stephen C Perich - 29,111 0 30 Oct, 2025
Stephen C Perich - 29,111 0 30 Oct, 2025
Christopher Burn - 15,587 0 23 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Apr, 2026 Tom L. Ward Common Units A 76,628 $13.05 13,295,039 I P
13 Apr, 2026 Tom L. Ward Common Units A 76,628 $13.05 76,628 I P
08 Apr, 2026 General Partner S.A R.L. Ikav Common Units D 4,612,874 $12.81 20,794,475 I S
08 Apr, 2026 General Partner S.A R.L. Ikav Common Units D 4,612,874 $12.81 20,794,475 I S
08 Apr, 2026 General Partner S.A R.L. Ikav Common Units D 944,805 $12.81 4,259,110 I S
08 Apr, 2026 General Partner S.A R.L. Ikav Common Units D 944,805 $12.81 4,259,110 I S
19 Mar, 2026 William Wallace Mcmullen Common Units A 3,570 $14.00 74,854,202 I P
19 Mar, 2026 William Wallace Mcmullen Common Units A 3,570 $14.00 74,854,202 I P
19 Mar, 2026 Christopher Burn Common Units A 1,000 $14.07 14,587 D P
19 Mar, 2026 William Wallace Mcmullen Common Units A 3,570 $14.00 74,854,202 I P
19 Mar, 2026 William Wallace Mcmullen Common Units A 3,570 $14.00 74,854,202 I P
20 Mar, 2026 William Wallace Mcmullen Common Units A 2,500 $14.00 74,856,702 I P
20 Mar, 2026 William Wallace Mcmullen Common Units A 2,500 $14.00 74,856,702 I P
20 Mar, 2026 Christopher Burn Common Units A 1,000 $13.85 15,587 D P
20 Mar, 2026 William Wallace Mcmullen Common Units A 2,500 $14.00 74,856,702 I P
20 Mar, 2026 William Wallace Mcmullen Common Units A 2,500 $14.00 74,856,702 I P
23 Mar, 2026 William Wallace Mcmullen Common Units A 3,215 $13.63 74,859,917 I P
23 Mar, 2026 William Wallace Mcmullen Common Units A 3,215 $13.63 74,859,917 I P
23 Mar, 2026 William Wallace Mcmullen Common Units A 3,215 $13.63 74,859,917 I P
23 Mar, 2026 William Wallace Mcmullen Common Units A 3,215 $13.63 74,859,917 I P