---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-034133"
form_type: "8-K"
ticker: "TUSK"
cik: "0001679268"
company_name: "MAMMOTH ENERGY SERVICES, INC."
filed_at: "2025-07-03T23:59:59+00:00"
generated_at: "2026-05-18T09:27:52.712809+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Mammoth Energy cuts revolver to $50M; appoints Bernard Lancaster COO

## Summary
- Revolving loan commitments reduced from $75M to $50M effective July 2, 2025.
- New COO Bernard Lancaster base salary $300K/year plus annual discretionary bonus.
- Company must keep at least $50M cash at Fifth Third Bank; else availability deemed $0.
- Consent granted for securities accounts at Stifel without control agreement.
- Borrower reaffirms no event of default under credit agreement as of date.

## SEC filing metadata
- accession: 0001628280-25-034133
- form_type: 8-K
- ticker: TUSK
- cik: 0001679268
- company_name: MAMMOTH ENERGY SERVICES, INC.
- filed_at: 2025-07-03T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1679268/000162828025034133/0001628280-25-034133-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1679268/000162828025034133/tusk-20250630.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-034133
- JSON: https://secwatch.observer/filing/0001628280-25-034133.json
- Plain text: https://secwatch.observer/filing/0001628280-25-034133.txt

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