---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-018026"
form_type: "8-K"
ticker: "MNR"
cik: "0001980088"
company_name: "MACH NATURAL RESOURCES LP"
filed_at: "2025-02-27T23:59:59+00:00"
generated_at: "2026-05-26T02:35:24.965475+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mach Natural Resources closes new $750M reserve-based revolver, repays prior debt

## Summary
- New $750M borrowing base revolving credit facility with ten banks; Truist Bank as admin agent; matures Feb 27, 2029.
- Interest rate: Term SOFR +3.00%-4.00% or base rate +2.00%-3.00%, based on borrowing base utilization.
- Proceeds from new facility, recent equity offering (Feb 7, 2025), and cash on hand used to repay and terminate prior term loan and revolver.
- Approximately $23M outstanding under existing MidFirst Bank revolver was repaid.

## SEC filing metadata
- accession: 0001213900-25-018026
- form_type: 8-K
- ticker: MNR
- cik: 0001980088
- company_name: MACH NATURAL RESOURCES LP
- filed_at: 2025-02-27T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 1.02, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1980088/000121390025018026/0001213900-25-018026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1980088/000121390025018026/ea0232293-8k_mach.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-018026
- JSON: https://secwatch.observer/filing/0001213900-25-018026.json
- Plain text: https://secwatch.observer/filing/0001213900-25-018026.txt

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