Core Natural Resources, Inc. (NYSE: CNR) holder to sell 60000 shares

Rhea-AI Filing Summary

Core Natural Resources, Inc. has a shareholder planning to sell 60000 common shares of the company under Rule 144 through Wells Fargo Clearing Services, with an approximate sale date of 12/18/2025 on the NYSE and an aggregate market value of 5395281.29. The filing notes that 51239470 shares were outstanding.

The securities to be sold were acquired through a 264499 share restricted stock award dated 02/27/2017 from the issuer and a 7500 share open market purchase on 05/09/2025 paid in cash. The same shareholder previously sold 28870 securities of Core Natural Resources, Inc. on 11/13/2025 for gross proceeds of 2427447.15, and represents that they are not aware of undisclosed material adverse information about the issuer.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
common	Wells Fargo Clearing Services 1 North Jefferson Avenue St. Louis MO 63103	60000	5395281.29	51239470	12/18/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
common	02/27/2017	Restricted Stock Award	Issuer			264499	02/27/2017	N/A
common	05/09/2025	Open Market Purchase	Open Market			7500	05/09/2025	cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Kathleen M and Paul A Lang Family Fund 275 Technology Drive Suite 101 Canonsburg PA 15317-9565	Core Natural Resources, Inc.	11/13/2025	28870	2427447.15

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Core Natural Resources (CNR) Form 144 filing disclose?

It discloses that a shareholder plans to sell 60000 common shares of Core Natural Resources, Inc. under Rule 144 through Wells Fargo Clearing Services on or about 12/18/2025 on the NYSE, with an aggregate market value of 5395281.29.

How many Core Natural Resources shares are outstanding according to this filing?

The filing states that there are 51239470 shares of Core Natural Resources outstanding.

How were the Core Natural Resources shares being sold under Rule 144 originally acquired?

The filing shows a restricted stock award of 264499 common shares acquired on 02/27/2017 from the issuer and an open market purchase of 7500 common shares on 05/09/2025 paid in cash.

What prior sales of Core Natural Resources securities in the last 3 months are reported?

It reports that the Kathleen M and Paul A Lang Family Fund sold 28870 securities of Core Natural Resources, Inc. on 11/13/2025 for gross proceeds of 2427447.15.

Who is the selling holder in this Core Natural Resources Rule 144 notice?

The seller is identified as the Kathleen M and Paul A Lang Family Fund, with an address at 275 Technology Drive Suite 101, Canonsburg, PA 15317-9565.

What representation does the seller make about information on Core Natural Resources?

By signing the notice, the seller represents that they do not know any material adverse information about Core Natural Resources’ current or prospective operations that has not been publicly disclosed.