8-KThe WireRoutine
Reg FD Disclosure
Filed Dec 18, 2025 · 6mo ago · Accession 0001710366-25-000035
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
- Dec 18, 2025
- Report date
- Dec 18, 2025
- Document
- cnr-20251218.htm
- Size
- 169 KB