275 TECHNOLOGY DRIVE, CANONSBURG, PA
Reports Third Quarter 2025 Results
Announces Leadership Change
Reports Second Quarter 2025 Results
News, Material Contracts
Provides Update on Ongoing Efforts to Resume Longwall Operations at Leer South
Earnings Release
Shareholder votes
Announces Completion of Highly Successful Refinancing Effort
Q3
Q2
Q1
FY 2024
FY 2023
Prospectus Filed Pursuant to Rule 425
Effectiveness Notice
Prospectus filed pursuant to Rule 424(b)(3)
S-4/A
Additional Proxy Materials
Definitive Proxy Statement
PRE 14A
Statement of Changes in Beneficial Ownership
Notice of Proposed Sale of Securities
Specialized Disclosure Report
Schedule 13G - Ownership Report
Amended Schedule 13G - Ownership Report