secwatch / observer
CNR Core Natural Resources, Inc.
CIK 0001710366 50 ready 8-Ks latest May 7, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing June 4, 2026, 4:48 PM ET
Top materiality 1.00
Event mix earnings ×18 · other_material ×11 · leadership ×5
Sentiment 20 pos · 8 neg · 22 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for CNR

Executive changes

Appointed

Paul A. Lang

Director
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
As of the Effective Time, Messrs. Paul A. Lang, Richard A. Navarre and Patrick A. Kriegshauser, and Ms. Holly Keller Koeppel, each of whom were members of the Arch Board immediately prior to the Effective Time, were appointed to the Company Board.
Appointed

Patrick A. Kriegshauser

Director
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
As of the Effective Time, Messrs. Paul A. Lang, Richard A. Navarre and Patrick A. Kriegshauser, and Ms. Holly Keller Koeppel, each of whom were members of the Arch Board immediately prior to the Effective Time, were appointed to the Company Board.
Role change

James A. Brock

Executive Chairman of the Company Board
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
Mr. Brock was appointed as Executive Chair of the Company Board and ceased to serve as Chief Executive Officer of the Company.
Appointed

Richard A. Navarre

Director
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
As of the Effective Time, Messrs. Paul A. Lang, Richard A. Navarre and Patrick A. Kriegshauser, and Ms. Holly Keller Koeppel, each of whom were members of the Arch Board immediately prior to the Effective Time, were appointed to the Company Board.
Departed

John T. Mills

Director
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
On January 13, 2025, Mr. John T. Mills submitted his resignation from the Company Board and any and all committees thereof, effective as of the Effective Time.
Appointed

Holly Keller Koeppel

Director
CNR · Core Natural Resources, Inc.
Filed
January 15, 2025, 6:59 PM ET
As of the Effective Time, Messrs. Paul A. Lang, Richard A. Navarre and Patrick A. Kriegshauser, and Ms. Holly Keller Koeppel, each of whom were members of the Arch Board immediately prior to the Effective Time, were appointed to the Company Board.
Departed

Martha A. Wiegand

General Counsel and Secretary
CNR · Core Natural Resources, Inc.
Effective
2024-08-07
Filed
November 12, 2024, 6:59 PM ET
As previously reported, Martha A. Wiegand, General Counsel and Secretary of CONSOL Energy Inc. (the “Company”), departed the Company on August 7, 2024
Role change

James A. Brock

Executive Chair
CNR · Core Natural Resources, Inc.
Filed
August 21, 2024, 7:59 PM ET
the Brock Agreement will be deemed amended to reflect Mr. Brock's new role as Executive Chair
Departed

Sophie Bergeron

Director
CNR · Core Natural Resources, Inc.
Effective
2023-03-21
Successor
Cassandra Pan
Filed
March 24, 2023, 7:59 PM ET
to fill a vacancy created by the resignation of Sophie Bergeron who, on March 20, 2023 delivered written notice to the Board that she would resign from the Board effective March 21, 2023 to pursue other personal and career opportunities.
Appointed

Cassandra Pan

Director
CNR · Core Natural Resources, Inc.
Effective
2023-03-22
Filed
March 24, 2023, 7:59 PM ET
the Board of Directors (the “Board”) of CONSOL Energy Inc. (the “Company,” “we,” “us,” “our”) elected Cassandra Pan to the Board, effective immediately, to fill a vacancy created by the resignation of Sophie Bergeron
Departed

Edwin S. Roberson

Director
CNR · Core Natural Resources, Inc.
Effective
2023-03-21
Successor
Valli Perera
Filed
March 24, 2023, 7:59 PM ET
the vacancy created by the retirement of Edwin S. Roberson, who on March 20, 2023, delivered written notice to the Board that he would retire from the Board effective March 21, 2023.
Appointed

Valli Perera

Director
CNR · Core Natural Resources, Inc.
Effective
2023-03-22
Filed
March 24, 2023, 7:59 PM ET
the Board elected Valli Perera, effective immediately, to the Board to fill the vacancy created by the retirement of Edwin S. Roberson

Earnings & guidance

2026-Q1 EPS reported $0.41 filing →

Materiality & sentiment trend

Max materiality 1.00 · Median 0.65 · Most common event earnings

20 positive 8 negative 22 neutral

source · CNR on sec.gov