Company Analysis

Core Natural Resources, Inc. (CNR)

NYSE: CNR · Silver Ores · Canonsburg, PA · filing with the SEC since 2017
Grade5.6
◀ Past 7.1● Present 4.1▶ Future 5.5

Who runs Core Natural Resources, Inc.

Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filed
Chief executive, as filed
Brock James A
Executive Chair and CEO. First filing Nov 2017, latest Mar 25, 2026, 8 filings in all.
Officers reporting now
9
of 16 people with a filing in the last fifteen months
Directors reporting now
7
29 people on the record since 2017
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
NameTitle as filedFirst filingLatest filingSales, 12 months
Tucker Nathan JosephSVP & Chief Financial OfficerAug 2026Aug 20, 2026none
Brock James AExecutive Chair and CEONov 2017Mar 25, 20261 · $4.1M
Klein Rosemary LSVP, CLO & Corp. Sec.Jan 2025Mar 20, 20262 · $1.6M
Rothka JohnChief Accounting OfficerDec 2017Mar 19, 20265 · $900,000
Thakkar MiteshkumarPresident & CFOJan 2020Feb 23, 2026none
Schuller George John JrSVP, Chief Operating OfficerJan 2025Feb 23, 2026none
Salvatori Kurt R.SVP, Chief Admin. OfficerNov 2017Feb 23, 2026none
Braithwaite Robert J. Jr.SVP, Marketing & SalesJan 2025Feb 23, 2026none
Slone DeckSVP, Strategy & Public PolicyJan 2025Feb 23, 2026none
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
NameRoleFirst filingLatest filingSales, 12 months
Doheny Edward L IIdirectorApr 2026May 1, 2026none
Keating Ronald CdirectorApr 2026May 1, 2026none
Navarre Richard AdirectorJan 2025Mar 11, 20261 · $600,000
Koeppel Holly KdirectorJan 2025Feb 24, 2026none
Kriegshauser Patrick AdirectorJan 2025Feb 24, 2026none
Perera VallidirectorMar 2023Feb 24, 2026none
Platt Joseph P JrdirectorNov 2017Feb 24, 2026none
Earlier names on the record21, newest filing first

A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.

SI Assistanton CNR · research, not advice