MNR

MACH NATURAL RESOURCES LP

NYSEEnergyCrude Petroleum & Natural Gas

Insider activity for last month from 08/18 to 09/18. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 17, 2026Most recent Form 4
Total buying$238M3 buys
Total selling$00 sells
Net open-market+$238M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
3 transactions
3 buys100%·0%0 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep 2026 buys: 3 transactions · $238M3Sep

Transaction codes

By Form 4 transaction code in selected period
3transactions
  • P · Open-market buys · dominant3 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
5transactions
  • 10% owner · dominant2 · 40%
  • Director2 · 40%
  • SR1 · 20%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (3)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Ward Tom L.Common Units · Indirect · Held by Tom L. Ward 1992 Revocable Living Trust
13.5M13.5MSep 14, 2026 · 13,467,452 shares owned afterSep 14, 2026Sep 14, 2026
13,467,452Sep 14, 2026
McMullen William WallaceCommon Units · Indirect · See footnote
74.9M74.9MSep 15, 2026 · 74,872,307 shares owned afterSep 15, 2026Sep 15, 2026
74,872,307Sep 15, 2026
McMullen William WallaceCommon Units · Direct
22.1k22.1kSep 15, 2026 · 22,124 shares owned afterSep 15, 2026Sep 15, 2026
22,124Sep 15, 2026
Bayou City Energy Management LlcCommon Units · Indirect · See footnote
74.9M74.9MSep 15, 2026 · 74,872,307 shares owned afterSep 15, 2026Sep 15, 2026
74,872,307Sep 15, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 18Sep 18
LessMore
Top insiders
By absolute net value across the selected period
2 insiders
Recent filing activity
Most recent 3 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy$199M
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

No filing-only signal badges matched this period.

MNR transaction history

Filters apply within this company and selected period by default
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Latest insider transactions

Form 4 filings from last month. Click any column to sort; click it again to flip the order.

Newest company filings

MACH NATURAL RESOURCES LP Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at MACH NATURAL RESOURCES LP?

BAYOU CITY ENERGY MANAGEMENT LLC, McMullen William Wallace, WARD TOM L..

When was the latest reported open-market purchase?

McMullen William Wallace reported a buy on Sep 15, 2026 valued at $14.0M. Read the SEC filing.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

Net open-market buying in the selected period was $2,388,892.80. This describes filed transactions, not a bullish rating.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.