---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-337132"
form_type: "8-K"
ticker: "AESI"
cik: "0001984060"
company_name: "Atlas Energy Solutions Inc."
filed_at: "2025-12-30T23:59:59+00:00"
generated_at: "2026-05-16T12:02:11.157322+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Atlas Energy enters $385M lease financing for 240 MW power generation equipment

## Summary
- Stonebriar Commercial Finance to advance up to $385M for ~240 MW power generation equipment.
- Lease payments: monthly rental at 1-Month SOFR plus 635 bps during interim phase, then fixed schedule.
- Company (Atlas Energy) provides unsecured guarantee of Galt's obligations under the lease.
- Fourth ABL Credit Amendment permits formation of Galt and guarantee.

## SEC filing metadata
- accession: 0001193125-25-337132
- form_type: 8-K
- ticker: AESI
- cik: 0001984060
- company_name: Atlas Energy Solutions Inc.
- filed_at: 2025-12-30T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/0001193125-25-337132-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/aesi-20251226.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-337132
- JSON: https://secwatch.observer/filing/0001193125-25-337132.json
- Plain text: https://secwatch.observer/filing/0001193125-25-337132.txt

## Key facts
- Debt Financings
  Atlas Energy Solutions Inc. incurred lease obligation of up to $385.0 million with Stonebriar Commercial Finance LLC at 1-Month SOFR plus 635 basis point.
  - Instrument: lease obligation
  - Principal: up to $385.0 million
  - Counterparty: Stonebriar Commercial Finance LLC
  - Rate: 1-Month SOFR plus 635 basis point
  - Event: incurrence
  source text: Inc., a Delaware corporation (the “Company”), entered into a Master Lease Agreement (the “Lease Agreement”) by and between Galt Power Solutions LLC, a Texas limited liability company and indirect wholly-owned subsidiary of the Company (“Galt”), as lessee, and Stonebriar Commercial Finance LLC, a Delaware limited liability company (“Stonebriar”), as lessor, and an Interim Funding Agreement (the “Interim Funding Agreement” and, together with the Lease Agreement, the “Lease Documents”), by and between Galt and Stonebriar, pursuant to which Galt assigned a reservation agreement (the “Reservation Agreement”) for the manufacture of approximately 240 megawatts of power generation equipment (the “Equipment”) to Stonebriar and Stonebriar agreed to lease such power generation equipment back to Galt (the “Transaction”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/0001193125-25-337132-index.htm
- Material Agreements
  Atlas Energy Solutions Inc. entered into Master Lease Agreement with Stonebriar Commercial Finance LLC valued at up to $385.0 million (effective 2025-12-26).
  - Action: entry
  - Agreement: lease
  - Counterparty: Stonebriar Commercial Finance LLC
  - Value: up to $385.0 million
  - Effective: 2025-12-26
  source text: On December 26, 2025, Atlas Energy Solutions Inc., a Delaware corporation (the “Company”), entered into a Master Lease Agreement (the “Lease Agreement”) by and between Galt Power Solutions LLC, a Texas limited liability company and indirect wholly-owned subsidiary of the Company (“Galt”), as lessee, and Stonebriar Commercial Finance LLC, a Delaware limited liability company (“Stonebriar”), as lessor
  evidence_url: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/0001193125-25-337132-index.htm
- Material Agreements
  Atlas Energy Solutions Inc. amended Fourth Amendment to Loan, Security and Guaranty Agreement with Bank of America, N.A., as administrative agent (effective 2025-12-26).
  - Action: amendment
  - Agreement: credit facility
  - Counterparty: Bank of America, N.A., as administrative agent
  - Effective: 2025-12-26
  source text: On December 26, 2025, Atlas Sand Company, LLC (“Atlas LLC”) and certain other subsidiaries of the Company entered into that certain Fourth Amendment to Loan, Security and Guaranty Agreement (the “Fourth ABL Amendment”), among Atlas LLC, as the borrower, the subsidiary guarantors party thereto, the lenders party thereto and Bank of America, N.A., as administrative agent.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/0001193125-25-337132-index.htm
- Material Agreements
  Atlas Energy Solutions Inc. entered into Interim Funding Agreement with Stonebriar Commercial Finance LLC valued at up to $385.0 million (effective 2025-12-26).
  - Action: entry
  - Agreement: lease
  - Counterparty: Stonebriar Commercial Finance LLC
  - Value: up to $385.0 million
  - Effective: 2025-12-26
  source text: and an Interim Funding Agreement (the “Interim Funding Agreement” and, together with the Lease Agreement, the “Lease Documents”), by and between Galt and Stonebriar, pursuant to which Galt assigned a reservation agreement (the “Reservation Agreement”) for the manufacture of approximately 240 megawatts of power generation equipment (the “Equipment”) to Stonebriar and Stonebriar agreed to lease such power generation equipment back to Galt (the “Transaction”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1984060/000119312525337132/0001193125-25-337132-index.htm

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