---
schema_version: "secwatch.filing_event.v1"
accession: "0001504337-24-000055"
form_type: "8-K"
ticker: "CLW"
cik: "0001441236"
company_name: "Clearwater Paper Corp"
filed_at: "2024-11-12T23:59:59+00:00"
generated_at: "2026-05-30T01:43:24.916185+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Clearwater Paper imposes SOX blackout on insiders Dec 6-13 due to tissue sale to Sofidel

## Summary
- Blackout period begins Dec 6, 2024 at 4pm ET and ends on or about Dec 13, 2024.
- Prohibits directors and Section 16 officers from trading CLW stock acquired in connection with service.
- Blackout needed to complete liquidation of 401(k) CLW holdings for group rollover to Sofidel Retirement Plan.
- The blackout follows the earlier announced sale of Clearwater's tissue business to Sofidel America Corp.

## SEC filing metadata
- accession: 0001504337-24-000055
- form_type: 8-K
- ticker: CLW
- cik: 0001441236
- company_name: Clearwater Paper Corp
- filed_at: 2024-11-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.04, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1441236/000150433724000055/0001504337-24-000055-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1441236/000150433724000055/clw-20241106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001504337-24-000055
- JSON: https://secwatch.observer/filing/0001504337-24-000055.json
- Plain text: https://secwatch.observer/filing/0001504337-24-000055.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.