---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-21-002284"
form_type: "8-K"
ticker: "PKG"
cik: "0000075677"
company_name: "PACKAGING CORP OF AMERICA"
filed_at: "2021-10-26T23:59:59+00:00"
generated_at: "2026-06-28T18:14:14.292751+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.78
calibrated_materiality_score: 0.78
confidence: "high"
source: SEC EDGAR
---

# PKG Q3 adj. EPS $2.69 beats $2.37 guidance; net sales $2.0B (+18% YoY)

## Summary
- Adj. diluted EPS of $2.69, above $2.37 guidance; GAAP EPS $2.63 includes $0.06 special items.
- Packaging segment income $365M (+64% YoY); corrugated shipments up 2.3% vs Q3 2020.
- Q4 2021 guidance $2.04 per share; cites higher energy, wood costs, and inflation.
- Containerboard production 1,256K tons; inventory up 91K tons YoY, 17K tons QoQ.
- CEO notes record quarterly sales volume and successful price increases despite supply chain challenges.

## SEC filing metadata
- accession: 0000950170-21-002284
- form_type: 8-K
- ticker: PKG
- cik: 0000075677
- company_name: PACKAGING CORP OF AMERICA
- filed_at: 2021-10-26T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.78
- calibrated_materiality_score: 0.78
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/75677/000095017021002284/0000950170-21-002284-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/75677/000095017021002284/pkg-20211025.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-21-002284
- JSON: https://secwatch.observer/filing/0000950170-21-002284.json
- Plain text: https://secwatch.observer/filing/0000950170-21-002284.txt

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