NYSE · CIK 0001980088
MNR MACH NATURAL RESOURCES LP
Insider trading from SEC Form 4. Last filing 26 d ago. Close $10.73 on Oct 9, 2026, +11% from the 52-week low and -23% from the high.
MACH NATURAL RESOURCES LP (MNR) has 33 SEC Form 4 filings on file from 10 insiders, the latest filed on Sep 17, 2026. In the last 90 days insiders made 2 open-market buys worth $2.4M and 0 open-market sells worth $0, net +$2.4M.
16 open-market trades have been scored at MNR. The newest: William Wallace McMullen (director and 10% owner) bought $389k of stock on Sep 15, 2026, filed Sep 17, 2026, scored 51 (moderate). The largest of the 16 shown: William Wallace McMullen (director and 10% owner) bought $80M on Feb 7, 2025, scored 48 (moderate). 2 insiders bought within 14 days of each other around Sep 15, 2026.
MNR closed at $10.73 on Oct 9, 2026, 11% above its 52-week low and 23% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at MACH NATURAL RESOURCES LP, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 51Moderate | William Wallace McMullen director, owner, other buy | $389k 34,514 shares | - | +16% from low-19% from high | |
| 48Moderate | Tom L. Ward See Remarks buy | $2.0M 172,413 shares | +1% | +29% from low-10% from high | |
| 42Moderate | IKAV General Partner S.a r.l. owner sell | $71M 5,557,679 shares | -22% | +22% from low-13% from high | |
| 29Weak | William Wallace McMullen director, owner, other buy | $129k 9,285 shares | +0% | +35% from low-1% from high | |
| 31Weak | Christopher Burn director, other buy | $28k 2,000 shares | +15% | +35% from low-1% from high | |
| 52Moderate | William Wallace McMullen director, owner, other buy | $372k 30,000 shares | +0% | +9% from low-23% from high | |
| 65Notable | Tom L. Ward See Remarks buy | $465k 40,000 shares | +31% | +3% from low-27% from high | |
| 70Notable | Tom L. Ward See Remarks buy | $500k 43,660 shares | +52% | +0% from low-29% from high | |
| 39Weak | William Wallace McMullen director, owner, other buy | $55k 4,608 shares | +0% | +5% from low-26% from high | |
| 70Notable | Tom L. Ward See Remarks buy | $1.0M 83,370 shares | - | +5% from low-26% from high | |
| 21Weak | William Wallace McMullen director, owner, other buy | $44k 3,085 shares | +0% | +17% from low-14% from high | |
| 40Moderate | William Wallace McMullen director, owner, other buy | $4.2M 280,400 shares | +0% | +19% from low-12% from high | |
| 39Weak | William Wallace McMullen director, owner, other buy | $3.4M 245,129 shares | +0% | +11% from low-19% from high | |
| 48Moderate | William Wallace McMullen director, owner, other buy | $80M 5,161,290 shares | +7% | - | |
| 40Moderate | William Wallace McMullen director, owner, other buy | $8.7M 562,729 shares | +1% | - | |
| 35Weak | William Wallace McMullen director, owner, other buy | $5.0M 336,758 shares | +0% | - |
Transactions
Every row filed, 49 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | William Wallace McMullen director, owner, other | POpen-market purchase Common Units | +22,124 | $11.25 | $249k | 22,124 | 26 d ago |
| Sep 15, 2026 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +12,390 | $11.30 | $140k | 74,872,307 | 26 d ago |
| Sep 14, 2026 | Tom L. Ward See Remarks | POpen-market purchase Common Unitsindirect: Held by Tom L. Ward 1992 Revocable Living Trust | +172,413 | $11.60 | $2.0M | 13,467,452 | 27 d ago |
| May 15, 2026 | IKAV General Partner S.a r.l. owner | JOther Common Unitsindirect: See footnote | -1,422,476 | $14.06 | $20M | 19,371,999 | May 19, 2026 |
| Apr 8, 2026 | IKAV General Partner S.a r.l. owner | SOpen-market sale Common Unitsindirect: See Footnotes | -4,612,874 | $12.81 | $59M | 20,794,475 | Apr 10, 2026 |
| Apr 8, 2026 | IKAV General Partner S.a r.l. owner | SOpen-market sale Common Unitsindirect: See Footnotes | -944,805 | $12.81 | $12M | 4,259,110 | Apr 10, 2026 |
| Mar 19, 2026 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +3,570 | $14.00 | $50k | 74,854,202 | Mar 23, 2026 |
| Mar 19, 2026 | Christopher Burn director, other | POpen-market purchase Common Units | +1,000 | $14.07 | $14k | 14,587 | Mar 23, 2026 |
| Mar 20, 2026 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +2,500 | $14.00 | $35k | 74,856,702 | Mar 23, 2026 |
| Mar 20, 2026 | Christopher Burn director, other | POpen-market purchase Common Units | +1,000 | $13.85 | $14k | 15,587 | Mar 23, 2026 |
| Mar 23, 2026 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +3,215 | $13.63 | $44k | 74,859,917 | Mar 23, 2026 |
| Feb 9, 2026 | Kayne Anderson Capital Advisors LP owner | JOther Common Unitsindirect: Sabinal Energy Operating, LLC | -227,547 | $14.56 | $3.3M | 18,960,034 | Feb 11, 2026 |
| Feb 9, 2026 | Kevin R. White See Remarks | AGrant or award Common Units | +11,886 | $12.62 | $150k | 461,498 | Feb 11, 2026 |
| Feb 9, 2026 | Michael E Reel See Remarks | AGrant or award Common Units | +5,151 | $12.62 | $65k | 88,348 | Feb 11, 2026 |
| Feb 11, 2026 | Kevin R. White See Remarks | FTax withholding Common Units | -5,627 | $12.62 | $71k | 455,871 | Feb 11, 2026 |
| Feb 11, 2026 | Michael E Reel See Remarks | FTax withholding Common Units | -2,532 | $12.62 | $32k | 85,816 | Feb 11, 2026 |
| Jan 1, 2026 | Christopher Burn director, other | AGrant or award Common Units | +13,587 | $11.04 | $150k | 13,587 | Jan 5, 2026 |
| Dec 8, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +12,500 | $12.53 | $157k | 74,833,132 | Dec 10, 2025 |
| Dec 9, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +17,500 | $12.32 | $216k | 74,850,632 | Dec 10, 2025 |
| Nov 26, 2025 | Tom L. Ward See Remarks | POpen-market purchase Common Unitsindirect: Held by Tom L. Ward Family Foundation | +40,000 | $11.63 | $465k | 167,030 | Dec 1, 2025 |
| Nov 25, 2025 | Tom L. Ward See Remarks | POpen-market purchase Common Unitsindirect: Held by Tom L. Ward Family Foundation | +43,660 | $11.45 | $500k | 127,030 | Nov 25, 2025 |
| Nov 14, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +4,608 | $11.85 | $55k | 74,820,632 | Nov 18, 2025 |
| Nov 14, 2025 | Tom L. Ward See Remarks | POpen-market purchase Common Unitsindirect: Held by Tom L. Ward Family Foundation | +41,630 | $12.01 | $500k | 41,630 | Nov 18, 2025 |
| Nov 17, 2025 | Tom L. Ward See Remarks | POpen-market purchase Common Unitsindirect: Held by Tom L. Ward Family Foundation | +41,740 | $11.98 | $500k | 83,370 | Nov 18, 2025 |
| Oct 28, 2025 | Edgar R. Giesinger JR. director, other | AGrant or award Common Units | +12,039 | $12.46 | $150k | 29,111 | Oct 30, 2025 |
| Oct 28, 2025 | Stephen C Perich director, other | AGrant or award Common Units | +12,039 | $12.46 | $150k | 29,111 | Oct 30, 2025 |
| Oct 28, 2025 | Kevin R. White See Remarks | FTax withholding Common Units | -10,107 | $12.46 | $126k | 449,612 | Oct 30, 2025 |
| Oct 28, 2025 | Frank A Keating director, other | AGrant or award Common Units | +12,039 | $12.46 | $150k | 29,111 | Oct 30, 2025 |
| Oct 28, 2025 | Michael E Reel See Remarks | FTax withholding Common Units | -2,692 | $12.46 | $34k | 83,197 | Oct 30, 2025 |
| Oct 28, 2025 | Tom L. Ward See Remarks | FTax withholding Common Units | -10,722 | $12.46 | $134k | 13,728,593 | Oct 30, 2025 |
| Aug 11, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +3,085 | $14.39 | $44k | 74,816,024 | Aug 12, 2025 |
| Jun 13, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +135,500 | $14.72 | $2.0M | 74,668,039 | Jun 17, 2025 |
| Jun 16, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +144,900 | $14.96 | $2.2M | 74,812,939 | Jun 17, 2025 |
| Jun 10, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +79,218 | $13.58 | $1.1M | 74,366,628 | Jun 12, 2025 |
| Jun 11, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +72,411 | $14.01 | $1.0M | 74,439,039 | Jun 12, 2025 |
| Jun 12, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: See footnote | +93,500 | $14.29 | $1.3M | 74,532,539 | Jun 12, 2025 |
| Feb 7, 2025 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +5,161,290 | $15.50 | $80M | 74,287,410 | Feb 10, 2025 |
| Dec 13, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +98,751 | $15.28 | $1.5M | 68,662,142 | Dec 17, 2024 |
| Dec 16, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +150,000 | $15.33 | $2.3M | 68,812,142 | Dec 17, 2024 |
| Dec 17, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +313,978 | $15.62 | $4.9M | 69,126,120 | Dec 17, 2024 |
| Dec 10, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +65,000 | $14.83 | $964k | 68,291,633 | Dec 12, 2024 |
| Dec 11, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +125,000 | $14.99 | $1.9M | 68,416,633 | Dec 12, 2024 |
| Dec 12, 2024 | William Wallace McMullen director, owner, other | POpen-market purchase Common Unitsindirect: Held by BCE-Mach Aggregator LLC | +146,758 | $15.01 | $2.2M | 68,563,391 | Dec 12, 2024 |
| Oct 27, 2024 | Edgar R. Giesinger JR. director, other | AGrant or award Common Units | +9,180 | $16.34 | $150k | 17,075 | Oct 29, 2024 |
| Oct 27, 2024 | Frank A Keating director, other | AGrant or award Common Units | +9,180 | $16.34 | $150k | 17,075 | Oct 29, 2024 |
| Oct 27, 2024 | Kevin R. White See Remarks | FTax withholding Common Units | -10,108 | $16.34 | $165k | 456,946 | Oct 29, 2024 |
| Oct 27, 2024 | Michael E Reel See Remarks | FTax withholding Common Units | -1,776 | $16.34 | $29k | 84,658 | Oct 29, 2024 |
| Oct 27, 2024 | Stephen C Perich director, other | AGrant or award Common Units | +9,180 | $16.34 | $150k | 17,075 | Oct 29, 2024 |
| Oct 27, 2024 | Tom L. Ward See Remarks | FTax withholding Common Units | -10,722 | $16.34 | $175k | 13,739,315 | Oct 29, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Christopher Burndirector, other
- Edgar R. Giesinger JR.director, other
- IKAV General Partner S.a r.l.owner
- Kayne Anderson Capital Advisors LPother, owner
- Frank A Keatingdirector, other
- William Wallace McMullendirector, owner, other
- Stephen C Perichdirector, other
- Michael E ReelSee Remarks
- Tom L. WardSee Remarks
- Kevin R. WhiteSee Remarks
Questions about MNR
Answered from the filings on this page, as of the latest one.
Are insiders buying MNR?
As of Sep 17, 2026, SEC Form 4 filings show 2 open-market buys worth $2.4M by 2 insiders and 0 open-market sells worth $0 by 0 insiders at MACH NATURAL RESOURCES LP in the last 90 days, net +$2.4M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade MNR on the open market?
William Wallace McMullen (director and 10% owner) bought $389k of MNR on Sep 15, 2026 and filed the Form 4 on Sep 17, 2026. InsiderTell scored 51 (moderate), with 2 insiders on the same side within 14 days.
How many insiders file Form 4 at MACH NATURAL RESOURCES LP?
10 people have filed a Form 4 at MACH NATURAL RESOURCES LP, among them Christopher Burn (director), Edgar R. Giesinger JR. (director), IKAV General Partner S.a r.l. (10% owner). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.