0001971857-23-000475.txt : 20230804 0001971857-23-000475.hdr.sgml : 20230804 20230804150058 ACCESSION NUMBER: 0001971857-23-000475 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230804 DATE AS OF CHANGE: 20230804 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PACKAGING CORP OF AMERICA CENTRAL INDEX KEY: 0000075677 STANDARD INDUSTRIAL CLASSIFICATION: PAPERBOARD CONTAINERS & BOXES [2650] IRS NUMBER: 364277050 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-15399 FILM NUMBER: 231143611 BUSINESS ADDRESS: STREET 1: 1955 W FIELD CT CITY: LAKE FOREST STATE: IL ZIP: 60045 BUSINESS PHONE: 8474823000 MAIL ADDRESS: STREET 1: 1955 W FIELD CT CITY: LAKE FOREST STATE: IL ZIP: 60045 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Shirley Donald R. CENTRAL INDEX KEY: 0001776032 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 1 N. FIELD COURT CITY: LAKE FOREST STATE: IL ZIP: 60045 144 1 primary_doc.xml 144 0001776032 XXXXXXXX LIVE 0000075677 PACKAGING CORP OF AMERICA 001-15399 1955 W FIELD CT LAKE FOREST IL 60045 8474823000 Shirley Donald R. Director common Merrill Lynch

1331 N California Blvd Ste 400 Walnut Creek CA 94596

5000 777791.37 89932185 08/04/2023 NYSE common 06/26/2022 stock bonus Donald Ray Shirley N 1972 08/04/2023 stock bonus common 07/22/2022 stock bonus Donald Ray Shirley N 3028 08/04/2023 stock bonus Y Mr Shirley signed a PDF version of the Form 144 on 08/03/2023. 08/03/2023 Donald Ray Shirley