Donald R. Shirley - 23 Feb 2026 Form 4 Insider Report for PACKAGING CORP OF AMERICA (PKG)

Role
Exec. VP
Signature
Kent A. Pflederer, attorney in fact
Issuer symbol
PKG
Transactions as of
23 Feb 2026
Net transactions value
-$290,283
Form type
4
Filing time
24 Feb 2026, 20:41:44 UTC
Previous filing
08 Apr 2025
Next filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Shirley Donald R. Exec. VP 1 N. FIELD CT, LAKE FOREST Kent A. Pflederer, attorney in fact 24 Feb 2026 0001776032

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PKG Common Stock Tax liability $290,283 -1,287 -5.5% $225.55 22,096 23 Feb 2026 Direct F1
holding PKG Common Stock 6,439 23 Feb 2026 by 401(k) plan
* 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 the transaction reported above.