Key facts
- This page summarizes Mark W. Kowlzan's Form 4 filing for PACKAGING CORP OF AMERICA (PKG).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 28 May 2026, 17:50.
Mark W. Kowlzan - 27 May 2026 Form 4 Insider Report for PACKAGING CORP OF AMERICA (PKG)
- Reporting relationship
- Chairman & CEO, Director
- Issuer ticker
- PKG
- Reported as of
- 27 May 2026
- Net transaction value
- -$2,011,426
- SEC form
- 4
- Accepted by SEC
- 28 May 2026, 17:50:39 UTC
- Prior SEC filing
- 31 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- Kent A. Pflederer, attorney in fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Mark W. Kowlzan filed Form 4 for PACKAGING CORP OF AMERICA (PKG) on 28 May 2026.
Change
- Previous filing in this sequence was filed on 31 Mar 2026.
- Current net transaction value: -$2,011,426.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001247456
Primary reporting owner
KOWLZAN MARK W
- Relationship
- Chairman & CEO, Director
- Address
- 1 N. FIELD COURT, LAKE FOREST
- Signature
- Kent A. Pflederer, attorney in fact
- Signature date
- 28 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PKG
transaction
Common Stock
Sale
- Transaction value
- $2,011,426
- Shares
- -9,266
- Change %
- -1.9%
- Price
- $217.08
- Shares after
- 473,610
- Date
- 27 May 2026
- Ownership
- Direct
- Footnotes
- F1
PKG
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 20,503
- Date
- 27 May 2026
- Ownership
- 401k plan
PKG
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,565
- Date
- 27 May 2026
- Ownership
- by spouse
- Footnotes
- F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
The price listed is the weighted average sale price. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request.
Footnote F2
Reporting person disclaims beneficial ownership of shares held by spouse.