Thomas A. Hassfurther - 27 Mar 2026 Form 4 Insider Report for PACKAGING CORP OF AMERICA (PKG)

Reporting relationship: President
Issuer ticker: PKG
Reported as of: 27 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Mar 2026, 15:24:34 UTC
Prior SEC filing: 10 Mar 2026
Source filing: View source filing
Reporting owner signature: Kent A. Pflederer, attorney in fact

Key filing fact

Thomas A. Hassfurther filed Form 4 for PACKAGING CORP OF AMERICA (PKG) on 31 Mar 2026.

Key facts

This page summarizes Thomas A. Hassfurther's Form 4 filing for PACKAGING CORP OF AMERICA (PKG).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 31 Mar 2026, 15:24.

Change

Previous filing in this sequence was filed on 10 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001318252 Primary reporting owner

Hassfurther Thomas A

Relationship: President
Address: 1 N. FIELD COURT, LAKE FOREST
Signature: Kent A. Pflederer, attorney in fact
Signature date: 31 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PKG transaction

Common Stock

Award

Transaction value
Shares: +29,778
Change %: +14%
Price: $0.000000^*
Shares after: 241,618
Date: 27 Mar 2026
Ownership: Direct
Footnotes: F1

PKG transaction

Common Stock

Award

Transaction value
Shares: +2,279
Change %: +0.94%
Price: $0.000000^*
Shares after: 243,897
Date: 27 Mar 2026
Ownership: Direct
Footnotes: F2

PKG transaction

Common Stock

Tax liability

Transaction value
Shares: -12,615
Change %: -5.2%
Price: $212.25^*
Shares after: 231,282
Date: 27 Mar 2026
Ownership: Direct
Footnotes: F4

PKG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 12,143
Date: 27 Mar 2026
Ownership: by 401(k) plan

PKG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 53,862
Date: 27 Mar 2026
Ownership: By Spouse
Footnotes: F3

PKG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 34,293
Date: 27 Mar 2026
Ownership: Through investment entity
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

On March 27, 2026, the compensation subcommittee of the compensation committee of the registrant's board of directors certified attainment of the performance measure under the TSR performance units awarded to the reporting person on February 22, 2023. Performance was achieved at 200%. The units paid out on the date of certification.

Footnote F2

Payout in shares of accumulated dividends on vesting performance units.

Footnote F3

Reporting person disclaims beneficial ownership of shares held by spouse.

Footnote F4

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.

Footnote F5

Reporting person disclaims beneficial ownership of shares held by investment entity except to the extent of his pecuniary interest therein.