# EDGAR Filing Document

**Accession Number:** 0001441236
**File Stem:** 0001441236-26-000020
**Filing Date:** 2026-3
**Character Count:** 1300
**Document Hash:** 56de03b325cf93ae396af106c48e027d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001441236-26-000020.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 0001441236-26-000020

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260327

**DATE AS OF CHANGE**: 20260327

**EFFECTIVENESS DATE**: 20260327

**FILER**: 

**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

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34146
- **FILM NUMBER:** 26803743

**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

### Attached PDF Documents

**Attachment 1:** `a2025clearwaterpaperars.pdf`

_No text found in this document._