8-KThe WireRoutine
Mine Safety
Filed May 4, 2026 · 1mo ago · Accession 0001710366-26-000034
Plain English
Material event — a significant development the company must disclose promptly.
Read the source below for the full document.
Filing details
- Company
- Core Natural Resources, Inc.
- Ticker
- CNR
- CIK
- 1710366
- Form type
- 8-K
- Filing date
- May 4, 2026
- Report date
- Apr 29, 2026
- Document
- cnr-20260429.htm
- Size
- 136 KB