Charles J. Carter - Mar 4, 2025 Form 4 Insider Report for PACKAGING CORP OF AMERICA (PKG)

Role: EVP-Mill Ops.
Signature: Kent A. Pflederer, attorney in fact
Stock symbol: PKG
Transactions as of: Mar 4, 2025
Transactions value $: -$361,861
Form type: 4
Date filed: 3/6/2025, 05:22 PM
Previous filing: Feb 28, 2025

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PKG	Common Stock	Award	$0	+4.16K	+12.85%	$0.00	36.5K	Mar 4, 2025	Direct	F1
transaction	PKG	Common Stock	Award	$0	+385	+1.05%	$0.00	36.9K	Mar 4, 2025	Direct	F2
transaction	PKG	Common Stock	Tax liability	-$362K	-1.79K	-4.85%	$202.27	35.1K	Mar 4, 2025	Direct	F3
holding	PKG	Common Stock						6.14K	Mar 4, 2025	Through 401(k) plan

Showing 1 to 4 of 4 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On March 4, 2025, the compensation committee of the registrant's board of directors certified attainment of the performance measure under the performance units awarded to reporting person on February 23, 2021. The units paid out on the date of certification.
F2	Payout in shares of accumulated dividends on vesting performance units.
F3	Pursuant to the terms of the Company's Long-Term Equity Incentive Plan, the Company withheld shares to cover the withholding tax obligation associated with the transaction reported above.