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BCS

Changes in Beneficial Ownership · 4

Core Natural Resources, Inc.

CNRNYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed May 1, 2026Accepted May 1, 2026, 11:10 AM EDTFiling CIK 1710366Accession 0001353838-26-000005
Share

Structured filing — 4

wk-form4_1777648219.xml

Open full document ↗

Filing details

Report period
2026-04-30
Issuer
Core Natural Resources, Inc.
Issuer CIK
0001710366
Trading symbol
CNR

Reporting owner 1

Name
Keating Ronald C
Reporting owner CIK
0001353838
Relationship
Director
Address
275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG, PA, 15317

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock, par value $0.01 per share ("Common Stock")2026-04-30A · Form 41,390[F1]A01,390[F2]D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Footnotes

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.↩ 1
F2
Of the 1,390 shares reported, 1,390 are unvested restricted stock units.↩ 1

Signature 1

Signed
/s/ Rosemary L. Klein, Power of Attorney for Ronald C. Keating
Date
2026-05-01

Company context

Core Natural Resources, Inc. (NYSE: CNR) is a world-class producer of high-quality metallurgical and high calorific value thermal coals for the global marketplace. Core’s highly skilled workforce operates a best-in-sector portfolio of large-scale, low-cost longwall mines, including the Pennsylvania Mining Complex, Leer, Leer South, and West Elk mines, along with one of the world’s largest and most productive surface mines, Black Thunder. The company plays an essential role in meeting the world’s growing need for steel, infrastructure, and energy, while simultaneously serving the resurgent requirements of the U.S. power generation fleet. Core has an extensive and strategic logistical network - anchored by ownership positions in two East Coast marine export terminals - that provides reliable and efficient access to seaborne coal markets. The company’s deeply ingrained culture is grounded in safety and compliance, continuous improvement, and financial performance, with an emphasis on stakeholder engagement and stockholder returns. Core was created in January 2025 via the merger of long-time industry leaders CONSOL Energy and Arch Resources and is based in Canonsburg, Pennsylvania.

Current securities

Recent company filings

  1. SCHEDULE 13G/A - filed by FMR LLC regarding Core Natural Resources, Inc.Nov 5, 2026
  2. 10-Q filingNov 5, 2026
  3. 8-K filingNov 5, 2026
  4. SD filingSep 23, 2026
  5. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Regulation FD DisclosureAug 19, 2026

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