Core Natural director granted 1,610 RSUs

Core Natural Resources, Inc. director Holly K. Koeppel reported an equity award of company stock.

Rhea-AI Filing Summary

Core Natural Resources, Inc. director Holly K. Koeppel reported an equity award of company stock. She acquired 1,610 shares of common stock on a grant basis, recorded at a price of $0.00 per share, as part of an incentive arrangement rather than an open-market purchase.

According to the footnotes, this grant consists of restricted stock units issued under the company’s Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date, with each unit converting into one share of common stock. After this award, Koeppel holds 14,958 shares of common stock in total, including 1,610 unvested restricted stock units.

Insider Trade Summary

Grant/Award: 1,610 shares

Grant/Award 1 txn

Insider KOEPPEL HOLLY K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common stock, par value $0.01 per share	1,610	$0.00	$0.00

Holdings After Transaction: Common stock, par value $0.01 per share — 14,958 shares (Direct)

Footnotes (2)

1. F1. Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2. F2. Of the 14,958 shares reported, 1,610 are unvested restricted stock units.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Core Natural Resources (CNR) director Holly K. Koeppel report on this Form 4?

Holly K. Koeppel reported receiving 1,610 shares of Core Natural Resources common stock as an equity award. The grant was made at $0.00 per share under the company’s incentive plan and increased her total reported holdings to 14,958 shares of common stock.

Was the Core Natural Resources (CNR) Form 4 transaction a market purchase or sale?

The Form 4 transaction was not a market purchase or sale. It reflects a grant of 1,610 restricted stock units at $0.00 per share under Core Natural Resources’ Omnibus Performance Incentive Plan, rather than shares bought or sold on the open market.

How many Core Natural Resources (CNR) shares does Holly K. Koeppel hold after this award?

After this equity award, Holly K. Koeppel is reported as holding 14,958 shares of Core Natural Resources common stock. The total includes 1,610 unvested restricted stock units that were just granted and will convert into common shares upon vesting.

What are the vesting terms of the 1,610 restricted stock units granted by Core Natural Resources (CNR)?

The 1,610 restricted stock units vest on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of Core Natural Resources common stock once the vesting condition, based on time, is satisfied.

Under which plan did Core Natural Resources (CNR) grant the restricted stock units to Holly K. Koeppel?

The restricted stock units were granted under Core Natural Resources’ Omnibus Performance Incentive Plan. This plan provides equity-based awards, and in this case delivered 1,610 restricted stock units that will each convert into one share of common stock upon vesting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/19/2026 - 07:53 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KOEPPEL HOLLY K

(Last) (First) (Middle)

275 TECHNOLOGY DRIVE, SUITE 101

(Street)

CANONSBURG PA 15317

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Core Natural Resources, Inc. [ CNR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock, par value $0.01 per share	02/17/2026		A		1,610(1)	A	$0	14,958(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

2. Of the 14,958 shares reported, 1,610 are unvested restricted stock units.

	/s/ Rosemary L. Klein, Attorney-in-Fact for Holly K. Koeppel	02/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.