Clearwater Paper Corp Insider Trading Activity

Clearwater Paper Corp Senior Vice President Sean M. Krajnik reported routine share dispositions related to tax withholding on vested equity awards.

Rhea-AI Filing Summary

Clearwater Paper Corp Senior Vice President Sean M. Krajnik reported routine share dispositions related to tax withholding on vested equity awards. On March 15, 2026, a total of 1,350 shares of common stock were withheld at $13.11 per share to satisfy tax obligations on his 2023, 2024, and 2025 restricted stock unit grants that vested that day. These were not open-market sales, but company-withheld shares for taxes. Following these transactions, Krajnik directly held 24,873 shares of Clearwater Paper common stock.

Insider Trade Summary

Exercise Price or Tax Liability: 1,350 shares

Exercise Price or Tax Liability 3 txns

Insider Krajnik Sean M.

Role Senior Vice President

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	623	$13.11	$8K
Exercise Price or Tax Liability	Common Stock	534	$13.11	$7K
Exercise Price or Tax Liability	Common Stock	193	$13.11	$3K

Holdings After Transaction: Common Stock — 24,873 shares (Direct)

Footnotes (3)

1. F1. Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2025 grant of restricted stock units that vested March 15, 2026.
2. F2. Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2024 grant of restricted stock units that vested March 15, 2026.
3. F3. Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2023 grant of restricted stock units that vested March 15, 2026.

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Accepted by SEC EDGAR 03/17/2026 - 05:05 PM EDT 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^*

Krajnik Sean M.

(Last) (First) (Middle)

601 W RIVERSIDE SUITE 300

(Street)

SPOKANE WA 99201

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Clearwater Paper Corp [ CLW ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

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(1)	03/15/2026		F		623	D	$13.11	25,600	D
Common Stock(2)	03/15/2026		F		534	D	$13.11	25,066	D
Common Stock(3)	03/15/2026		F		193	D	$13.11	24,873	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 shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2025 grant of restricted stock units that vested March 15, 2026.

2. Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2024 grant of restricted stock units that vested March 15, 2026.

3. Represents shares withheld by Clearwater Paper Corporation to satisfy tax withholding requirements due at settlement of the 2023 grant of restricted stock units that vested March 15, 2026.

Remarks:

	/s/Marc D. Rome, Attorney-in-Fact	03/17/2026
	** 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.