---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-250717"
form_type: "8-K"
ticker: "GPK"
cik: "0001408075"
company_name: "GRAPHIC PACKAGING HOLDING CO"
filed_at: "2023-10-04T23:59:59+00:00"
generated_at: "2026-06-10T04:40:34.878288+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Graphic Packaging to decommission K3 CRB machine (125K tons/yr) as part of network optimization

## Summary
- K3 machine ceased operation July 1, 2023; permanently shuttered Oct 4 as part of CRB optimization plan announced in 2019.
- Machine capacity 125,000 tons per annum; Kalamazoo facility retains two other CRB machines.
- New K2 CRB machine reached quality, cost, and volume commitments ahead of schedule, enabling the shutdown.
- Decommissioning not expected to affect 2023 projected Adjusted EBITDA of $1.9B midpoint.

## SEC filing metadata
- accession: 0001193125-23-250717
- form_type: 8-K
- ticker: GPK
- cik: 0001408075
- company_name: GRAPHIC PACKAGING HOLDING CO
- filed_at: 2023-10-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1408075/000119312523250717/0001193125-23-250717-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1408075/000119312523250717/d824382d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-250717
- JSON: https://secwatch.observer/filing/0001193125-23-250717.json
- Plain text: https://secwatch.observer/filing/0001193125-23-250717.txt

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