Mark W. Kowlzan - 23 Feb 2026 Form 4 Insider Report for PACKAGING CORP OF AMERICA (PKG)

Role
Chairman & CEO, Director
Signature
Kent A. Pflederer, attorney in fact
Issuer symbol
PKG
Transactions as of
23 Feb 2026
Net transactions value
-$1,662,529
Form type
4
Filing time
24 Feb 2026, 19:54:29 UTC
Previous filing
15 Sep 2025
Next filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KOWLZAN MARK W Chairman & CEO, Director 1 N. FIELD COURT, LAKE FOREST Kent A. Pflederer, attorney in fact 24 Feb 2026 0001247456

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PKG Common Stock Tax liability $1,662,529 -7,371 -1.7% $225.55 430,007 23 Feb 2026 Direct F1
holding PKG Common Stock 20,263 23 Feb 2026 401k plan
holding PKG Common Stock 2,565 23 Feb 2026 by spouse F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 equity awards vesting on the transaction date.
F2 Reporting person disclaims beneficial ownership of shares held by spouse.