Core Natural Resources director gets 1,610 RSU grant

Core Natural Resources, Inc. director Patrick A. Kriegshauser reported an equity award in the form of restricted stock units.

Rhea-AI Filing Summary

Core Natural Resources, Inc. director Patrick A. Kriegshauser reported an equity award in the form of restricted stock units. On February 17, 2026, he acquired 1,610 common-share-equivalent restricted stock units at a stated price of $0.00 per share as a grant or award.

The units were granted under the company’s Omnibus Performance Incentive Plan and vest on the first anniversary of the grant date, with each unit representing a contingent right to receive one share of common stock. After this award, Kriegshauser’s direct holdings total 24,958 shares and units, of which 1,610 are unvested restricted stock units.

Insider Trade Summary

Grant/Award: 1,610 shares

Grant/Award 1 txn

Insider KRIEGSHAUSER PATRICK A

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 — 24,958 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 24,958 shares reported, 1,610 are unvested restricted stock units.

FAQ

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What insider transaction did Core Natural Resources (CNR) report for Patrick A. Kriegshauser?

Core Natural Resources reported that director Patrick A. Kriegshauser received a grant of 1,610 restricted stock units on February 17, 2026. The units are an equity award under the Omnibus Performance Incentive Plan, not an open-market stock purchase or sale.

How many shares or units does Patrick A. Kriegshauser hold after this CNR Form 4 filing?

Following the reported award, Patrick A. Kriegshauser holds 24,958 shares and units of Core Natural Resources common stock directly. Of this total, 1,610 are unvested restricted stock units that will convert into shares only upon satisfaction of vesting conditions.

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

The 1,610 restricted stock units were granted at a stated price of $0.00 per share as compensation. They vest on the first anniversary of the February 17, 2026 grant date, and each unit represents a contingent right to receive one share of CNR common stock.

Is the Form 4 transaction for CNR an insider stock purchase or a compensation award?

The Form 4 transaction is a compensation award, not an open-market purchase. It is classified as a grant or award acquisition of 1,610 restricted stock units under the company’s Omnibus Performance Incentive Plan, with no cash purchase price paid per share.

When will Patrick A. Kriegshauser’s CNR restricted stock units vest?

The restricted stock units granted to Patrick A. Kriegshauser will vest on the first anniversary of the February 17, 2026 grant date. Vesting must occur before each unit converts into one share of Core Natural Resources common stock, subject to plan terms.

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Accepted by SEC EDGAR 02/19/2026 - 08:05 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^*

KRIEGSHAUSER PATRICK A

(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	24,958(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 24,958 shares reported, 1,610 are unvested restricted stock units.

	/s/ Rosemary L. Klein, Attorney-in-Fact for Patrick A. Kriegshauser	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.