Core Natural Resources Appoints New CFO; Announces Succession Plan

What Happened

• Core Natural Resources, Inc. announced on August 18, 2026 that the Board appointed Nathan Tucker as Senior Vice President and Chief Financial Officer, effective immediately. He succeeds Mitesh Thakkar in the CFO role; Mr. Thakkar will remain President and take on expanded day-to-day responsibility for operations, marketing, logistics and long-term strategy. A press release announcing the succession was issued August 19, 2026.

Key Details

• Effective date: August 18, 2026.
• New CFO: Nathan Tucker, age 39; VP of Finance since the company formed in January 2025 (merger of CONSOL and Arch Resources); previously director of finance & investor relations at CONSOL (2020–Jan 2025).
• Compensation change: Base salary increased to $400,000; target short-term incentive set at 65% of base salary; long-term incentive set at 125% of base salary.
• Severance: Mr. Tucker received a severance agreement on substantially the same terms as other executive officers (form severance filed as Exhibit 10.72 in the 2025 Form 10-K).

Why It Matters

• The filing shows a planned leadership transition and clarifies executive roles—Tucker will lead finance while Thakkar moves to broader operational leadership. For investors, the changes affect governance and who will be responsible for financial reporting, budgeting and capital allocation. The disclosed compensation packages and severance terms indicate the Board’s retention and incentive approach for the new CFO role.