---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-153436"
form_type: "8-K"
ticker: "PKG"
cik: "0000075677"
company_name: "PACKAGING CORP OF AMERICA"
filed_at: "2025-07-01T23:59:59+00:00"
generated_at: "2026-05-18T11:24:26.916843+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# PCA to acquire Greif containerboard business for $1.8B cash; expected to close by Q3

## Summary
- Deal value $1.8B cash (8.5x LTM EBITDA of $212M; 6.6x including $60M synergies).
- Assets: two mills with ~800K tons capacity, eight plants, $1.2B LTM sales.
- Synergies estimated at $60M pre-tax, fully realized within 2 years; half in first year.
- Financing: $1.5B new debt plus cash; pro forma net debt/EBITDA ~1.7x; immediately accretive.
- PCA is third-largest containerboard producer; deal furthers profitable growth strategy.

## SEC filing metadata
- accession: 0001193125-25-153436
- form_type: 8-K
- ticker: PKG
- cik: 0000075677
- company_name: PACKAGING CORP OF AMERICA
- filed_at: 2025-07-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/75677/000119312525153436/0001193125-25-153436-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/75677/000119312525153436/d864746d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-153436
- JSON: https://secwatch.observer/filing/0001193125-25-153436.json
- Plain text: https://secwatch.observer/filing/0001193125-25-153436.txt

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