# EDGAR Filing Document

**Accession Number:** 0002103766
**File Stem:** 0002103766-26-000003
**Filing Date:** 2026-1
**Character Count:** 5678
**Document Hash:** b3b0a12ca624f166bf750825995dda03
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002103766-26-000003.hdr.sgml**: 20260109

**ACCESSION NUMBER**: 0002103766-26-000003

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 5

**CONFORMED PERIOD OF REPORT**: 20260101

**FILED AS OF DATE**: 20260109

**DATE AS OF CHANGE**: 20260109

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Krajnik Sean M.
- **CENTRAL INDEX KEY:** 0002103766

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34146
- **FILM NUMBER:** 26522120

**MAIL ADDRESS:**
- **STREET 1:** 601 W RIVERSIDE AVE
- **STREET 2:** SUITE 1100
- **CITY:** SPOKANE
- **STATE:** WA
- **ZIP:** 99201
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Clearwater Paper Corp
- **CENTRAL INDEX KEY:** 0001441236
- **STANDARD INDUSTRIAL CLASSIFICATION:** PAPERBOARD MILLS [2631]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 203594554
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 601 WEST RIVERSIDE AVENUE
- **STREET 2:** SUITE 1100
- **CITY:** SPOKANE
- **STATE:** WA
- **ZIP:** 99201
- **BUSINESS PHONE:** 509.344.5900

**MAIL ADDRESS:**
- **STREET 1:** 601 WEST RIVERSIDE AVENUE
- **STREET 2:** SUITE 1100
- **CITY:** SPOKANE
- **STATE:** WA
- **ZIP:** 99201

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Potlatch Forest Products CORP
- **DATE OF NAME CHANGE:** 20080728

## Ex-24

![](krajnikpoa001.jpg)

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![](krajnikpoa002.jpg)

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![](krajnikpoa003.jpg)

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Krajnik Sean M.<br><sub>(Last) (First) (Middle)</sub><br>601 W RIVERSIDE SUITE 1100<br><sub>(Street)</sub><br>SPOKANE, WA 99201<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Clearwater Paper Corp [ CLW ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-01-01 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Senior Vice President_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 5048 | D |  |
| Common Stock<sup>(1)</sup> | 637<sup>(2)</sup> | D |  |
| Common Stock<sup>(1)</sup> | 3587<sup>(3)</sup> | D |  |
| Common Stock<sup>(1)</sup> | 6243<sup>(4)</sup> | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Represents award of restricted stock units ("RSUs").  RSUs may be settled only for shares of common stock on a one-for-one basis.

(2) Represents award of RSU's that were granted on 2/27/2023 and will vest on 3/15/2026 assuming continued employment. During the vesting period, an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock will be converted into additional RSUs.

(3) Represents award of RSU's that were granted on 2/26/2024 and will vest 49% on 3/15/2026 and 51% on 3/15/2027, assuming continued employment. During the vesting period, an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock will be converted into additional RSUs.

(4) Represents award of RSUs that will vest 33%, 33%, 34% on March 15, 2026, 2027 and 2028, respectively, assuming continued employment.  During the vesting period, an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock will be converted into additional RSUs.

**Signature:** /s/Marc D. Rome, Attorney-in-Fact  
**Date:** 2026-01-09

### Remarks:

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.**