# EDGAR Filing Document

**Accession Number:** 0000075677
**File Stem:** 0001193125-26-127634
**Filing Date:** 2026-3
**Character Count:** 1089
**Document Hash:** 67a8a165ef64e15c234355bc61b635bb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-127634.hdr.sgml**: 20260327

**ACCESSION NUMBER**: 0001193125-26-127634

**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:** PACKAGING CORP OF AMERICA
- **CENTRAL INDEX KEY:** 0000075677
- **STANDARD INDUSTRIAL CLASSIFICATION:** PAPERBOARD CONTAINERS & BOXES [2650]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 364277050
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15399
- **FILM NUMBER:** 26801185

**BUSINESS ADDRESS:**
- **STREET 1:** 1 NORTH FIELD CT
- **CITY:** LAKE FOREST
- **STATE:** IL
- **ZIP:** 60045
- **BUSINESS PHONE:** 8474823000

**MAIL ADDRESS:**
- **STREET 1:** 1 NORTH FIELD CT
- **CITY:** LAKE FOREST
- **STATE:** IL
- **ZIP:** 60045

### Attached PDF Documents

**Attachment 1:** `d14737dars.pdf`

_No text found in this document._