<SEC-DOCUMENT>0000950170-25-078665-index.html : 20250529 <SEC-HEADER>0000950170-25-078665.hdr.sgml : 20250529 <ACCEPTANCE-DATETIME>20250529111132 ACCESSION NUMBER: 0000950170-25-078665 CONFORMED SUBMISSION TYPE: 11-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20241231 FILED AS OF DATE: 20250529 DATE AS OF CHANGE: 20250529 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: 11-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15399 FILM NUMBER: 25999328 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 </SEC-HEADER> <DOCUMENT> <TYPE>11-K <SEQUENCE>1 <FILENAME>pkg_11-k_2024_salaried_p.htm <DESCRIPTION>11-K <TEXT> Document 1 - file: pkg_11-k_2024_salaried_p.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>2 <FILENAME>pkg-ex23_1.htm <DESCRIPTION>EX-23.1 <TEXT> Document 2 - file: pkg-ex23_1.htm
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