---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-041485"
form_type: "8-K"
ticker: "MNR"
cik: "0001980088"
company_name: "MACH NATURAL RESOURCES LP"
filed_at: "2026-04-08T23:59:59+00:00"
generated_at: "2026-05-15T06:56:14.625447+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Selling unitholders close secondary offering of 9M common units; CEO participates

## Summary
- Selling unitholders sold 9,000,000 common units; underwriter has 30-day option for 1,350,000 additional units.
- CEO Tom L. Ward purchased 153,256 common units in the offering at the public offering price.
- Company received no proceeds from the offering; all proceeds go to selling unitholders.
- Underwriting agreement includes customary representations, warranties, and indemnification provisions.
- Offering closed on April 8, 2026; Morgan Stanley acted as underwriter.

## SEC filing metadata
- accession: 0001213900-26-041485
- form_type: 8-K
- ticker: MNR
- cik: 0001980088
- company_name: MACH NATURAL RESOURCES LP
- filed_at: 2026-04-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1980088/000121390026041485/0001213900-26-041485-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1980088/000121390026041485/ea0285471-8k_mach.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-041485
- JSON: https://secwatch.observer/filing/0001213900-26-041485.json
- Plain text: https://secwatch.observer/filing/0001213900-26-041485.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.