Mark W. Kowlzan
Chairman & CEO · PACKAGING CORP OF AMERICA
- 2024
- May 28, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark W. Kowlzan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Thomas A. Hassfurther - $9.98M in PKG purchases and sales in the last 12 months
- Donald R. Shirley - $3.01M in PKG purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark W. Kowlzan?
Mark W. Kowlzan is a corporate insider, tracked as Chairman & CEO of PACKAGING CORP OF AMERICA (PKG). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Mark W. Kowlzan last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 8 filings going back to 2024.
Has Mark W. Kowlzan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($23.41M) across all tracked filings.
