Summary
Updated Aug 31, 2026
Thomas A. Hassfurther is President of PACKAGING CORP OF AMERICA (PKG). 8 SEC Form 4 filings on record going back to 2024, most recently on 11 August 2026. Most recent open-market trade: sold $1.79M of PKG on 11 August 2026. Lifetime open-market sales: $14.76M.
Recent Transactions
14Every recent SEC Form 4 transaction Thomas A. Hassfurther has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Thomas A. Hassfurther go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Thomas A. Hassfurther 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.
- Mark W. Kowlzan - $7.41M of PKG open-market activity in the last 12 months
- Donald R. Shirley - $3.01M of PKG open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Thomas A. Hassfurther?
Thomas A. Hassfurther is a corporate insider, tracked as President 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.
How many SEC Form 4 filings has Thomas A. Hassfurther submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Thomas A. Hassfurther been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($14.76M) across all tracked filings.
Where can I see all of Thomas A. Hassfurther's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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