Core Natural Resources, Inc. 2026年季度报告

FORM 10-Q ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934. For the quarterly period ended March31, 2026OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the transition period from ______ to ______Commission file number: 001-38147 Core Natural Resources, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction ofincorporation or organization)(I.R.S. EmployerIdentification No.) 275 Technology Drive Suite 101Canonsburg, PA 15317-9565(724) 416-8300 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) Securities registered pursuant to Section 12(b) of the Act: Trading Symbol(s)CNR Common Stock, $0.01 par value Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒Core Natural Resources, Inc. had 50,407,610 shares of common stock, $0.01 par value, outstanding at April30, 2026. TABLE OF CONTENTS Explanatory Note On January 14, 2025, CONSOL Energy Inc., a Delaware corporation, completed its previously announced all-stock merger ofequals transaction (the “Merger”) with Arch Resources, Inc., a Delaware corporation (“Arch”), pursuant to that certain Agreement andPlan of Merger, dated as of August 20, 2024 (the “Merger Agreement”), by and among CONSOL Energy Inc., Mountain RangeMerger Sub Inc., a Delaware corporation and wholly-owned subsidiary of CONSOL Energy Inc. (“Merger Sub”), and Arch. Pursuantto the terms of the Merger Agreement, Merger Sub merged with and into Arch, with Arch continuing as the surviving corporation andas a wholly-owned subsidiary of the Company. Additionally, pursuant to the Merger Agreement, the Company was renamed “CoreNatural Resources, Inc.” and began trading under the ticker symbol “CNR” on January 15, 2025. The information set forth herein does not include the results of operations or cash flows of Arch prior to January 14, 2025.Accordingly, unless otherwise specifically noted, references herein to “Core Natural Resources,” “Core,” “we,” “our,” “us,” “ourCompany” and “the Company” refer only to Core Natural Resources, Inc. and its subsidiaries and do not include Arch and itssubsidiaries prior to the Merger. See Note 2—Merger with Arch for further discussion of the unaudited pro forma information. Important Definitions Referenced in this Quarterly Report on Form 10-Q •“Core Natural Resources,” “Core,” “we,” “our,” “us,” “our Company” and “the Company” refer to Core Natural Resources,Inc. (formerly known as CONSOL Energy Inc. before the effective time of the Merger) and its subsidiaries;•“Arch” refers to Arch Resources, Inc., a Delaware corporation and a wholly-owned subsidiary of the Company following theMerger;•“Beckley” refers to the Company’s Low-Vol metallurgical mining complex located in Raleigh County, West Virginia;•“Black Thunder” refers to the Company’s sub-bituminous thermal surface mining complex located in Campbell County,Wyoming;•“Coal Creek” refers to the Company’s sub-bituminous thermal surface mining complex located in Campbell County,Wyoming;•“Core Marine Terminal” refers to the Company’s terminal operations located in the Port of Baltimore, Maryland;•“Dominion Terminal” refers to the ground storage-to-vessel coal transloading facility in Newport News, Virginia operated byDTA;•“DTA” refers to Dominion Terminal Associates LLP, a limited liability partnership, in which the Company owns a 35%interest;•“former parent” refers to CNX Resources Corporation and i