CNR Form 144: 1,000-share sale planned on NYSE valued at $92,700

Rhea-AI Filing Summary

Core Natural Resources, Inc. (CNR) filed a Form 144 notice showing a proposed sale of 1,000 common shares, with an aggregate market value of $92,700, planned for 10/08/2025 on the NYSE. The shares were acquired on 12/12/2019 as Restricted Stock Units & Performance Stock Units from the issuer. The filing lists 51,471,519 shares outstanding, which provides context for the size of the planned sale relative to total shares.

The notice also discloses a sale of 2,500 common shares executed under a 10b5-1 plan on 10/03/2025 for gross proceeds of $225,000. The filer certifies they are not aware of undisclosed material adverse information and includes the standard representations required when relying on a 10b5-1 plan.

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Accepted by SEC EDGAR 10/08/2025 - 04:20 PM Learn about SEC filing dates

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	92700.00	51471519	10/08/2025	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	12/12/2019	Restricted Stock Units & Performance Stock Units	Issuer			1000	12/12/2019	N/A

* 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
10b5-1 Sales for JOHN ROTHKA 275 Technology Drive Suite 101 Canonsburg PA 15317	Common	10/03/2025	2500	225000.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 transaction does the CNR Form 144 disclose?

The filing discloses a proposed sale of 1,000 common shares valued at $92,700, planned for 10/08/2025 on the NYSE.

How and when were the shares to be sold on Form 144 acquired?

The 1,000 shares were acquired on 12/12/2019 as Restricted Stock Units & Performance Stock Units issued by the company.

Does the filing show any recent sales by the same person?

Yes, the filing lists a 10b5-1 sale of 2,500 common shares on 10/03/2025 that generated $225,000 in gross proceeds.

How large is the proposed sale compared with the company’s outstanding shares?

The issuer has 51,471,519 shares outstanding; the proposed 1,000-share sale represents a very small fraction of that total.

Does the filer make any representations about material nonpublic information?

Yes, by signing the notice the filer represents they do not know any material adverse information about the issuer that has not been publicly disclosed.