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).
| 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.
| 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 |