Ronald C. Keating - 30 Apr 2026 Form 4 Insider Report for Core Natural Resources, Inc. (CNR)

Reporting relationship: Director
Issuer ticker: CNR
Reported as of: 30 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 May 2026, 11:10:22 UTC
Prior SEC filing: 02 Apr 2026
Next SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Rosemary L. Klein, Power of Attorney for Ronald C. Keating

Key filing fact

Ronald C. Keating filed Form 4 for Core Natural Resources, Inc. (CNR) on 01 May 2026.

Key facts

This page summarizes Ronald C. Keating's Form 4 filing for Core Natural Resources, Inc. (CNR).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 01 May 2026, 11:10.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001353838 Primary reporting owner

Keating Ronald C

Relationship: Director
Address: 275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG
Signature: /s/ Rosemary L. Klein, Power of Attorney for Ronald C. Keating
Signature date: 01 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CNR transaction

Common Stock, par value $0.01 per share ("Common Stock")

Award

Transaction value
Shares: +1,390
Change %
Price: $0.000000^*
Shares after: 1,390
Date: 30 Apr 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Footnote F2

Of the 1,390 shares reported, 1,390 are unvested restricted stock units.