Mach Natural Resources Lp (MNR) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Mach Natural Resources's top three insider holders are William Wallace Mcmullen (Director, 74.85Mn shares), Tom L. Ward (See Remarks, 13.73Mn shares), Daniel T Jr. Reineke (See Remarks, 767.05K 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 74,850,632 10 Dec, 2025
Tom L. Ward See Remarks 13,728,593 0 30 Oct, 2025
Daniel T Jr. Reineke See Remarks 767,054 0 31 Oct, 2023
Kevin R. White See Remarks 455,871 0 11 Feb, 2026
Tom L. Ward See Remarks 0 167,030 01 Dec, 2025
Michael E Reel See Remarks 85,816 0 11 Feb, 2026
Edgar R. Jr. Giesinger 29,111 0 30 Oct, 2025
Stephen C Perich 29,111 0 30 Oct, 2025
Christopher Burn 15,587 0 23 Mar, 2026
Christopher Burn 13,587 0 05 Jan, 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
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
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
23 Mar, 2026 William Wallace Mcmullen Common Units A 3,215 $13.63 74,859,917 I P
09 Feb, 2026 Kevin R. White Common Units A 11,886 $12.62 461,498 D A
09 Feb, 2026 Michael E Reel Common Units A 5,151 $12.62 88,348 D A
11 Feb, 2026 Kevin R. White Common Units D 5,627 $12.62 455,871 D F
11 Feb, 2026 Michael E Reel Common Units D 2,532 $12.62 85,816 D F
01 Jan, 2026 Christopher Burn Common Units A 13,587 $11.04 13,587 D A
01 Jan, 2026 Christopher Burn Common Units A 13,587 $11.04 13,587 D A
08 Dec, 2025 William Wallace Mcmullen Common Units A 12,500 $12.53 74,833,132 I P
08 Dec, 2025 William Wallace Mcmullen Common Units A 12,500 $12.53 74,833,132 I P
09 Dec, 2025 William Wallace Mcmullen Common Units A 17,500 $12.32 74,850,632 I P
09 Dec, 2025 William Wallace Mcmullen Common Units A 17,500 $12.32 74,850,632 I P
26 Nov, 2025 Tom L. Ward Common Units A 40,000 $11.63 167,030 I P
25 Nov, 2025 Tom L. Ward Common Units A 43,660 $11.45 127,030 I P
14 Nov, 2025 William Wallace Mcmullen Common Units A 4,608 $11.85 74,820,632 I P
14 Nov, 2025 William Wallace Mcmullen Common Units A 4,608 $11.85 74,820,632 I P
14 Nov, 2025 Tom L. Ward Common Units A 41,630 $12.01 41,630 I P