PKG
PACKAGING CORP OF AMERICA · Manufacturing · Market cap $20.7B
Insiders sold $12.2M net in the last 90 days ·3 sellers, 0 buyers· latest Form 4 filed Aug 24, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$20.4M
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Aug 24, 2026
Shirley Donald R.
PACKAGING CORP OF AMERICA (PKG) has 42 SEC Form 4 filings (67 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Aug 24, 2026.
Inside the rolling window, 3 insiders at PACKAGING CORP OF AMERICA reported no open-market purchases and 7 open-market sales totaling $20.4M. The most active filer is President Hassfurther Thomas A with 4 filings. Insiders have net sold $12.2M over the trailing 6 months. The most recent open-market filing is a sale of 12,000 shares by Exec. VP Shirley Donald R., dated Aug 20, 2026, worth $3.0M.
- Industry:Packaging & Containers
- CEO:Mark W. Kowlzan
- Employees:15,400
- HQ:Lake Forest, IL, US
- IPO:2000-01-28
| Source | |||||||
|---|---|---|---|---|---|---|---|
Shirley Donald R.First filing | Exec. VP | Sale | 12,000 | $3.0M | Aug 24 | -6.8% | SEC ↗ |
| President | Sale | 7,063 | $1.8M | Aug 11 | -9.9% | SEC ↗ | |
Hassfurther Thomas AFirst in 6 months | President | Sale | 12,531 | $3.1M | Aug 5 | -9.4% | SEC ↗ |
Hassfurther Thomas AFirst in 6 months | President | Sale | 8,797 | $2.3M | Aug 5 | -9.4% | SEC ↗ |
KOWLZAN MARK WFirst in 9 months | Chairman & CEO | Sale | 9,266 | $2.0M | May 28 | +6.3% | SEC ↗ |
Hassfurther Thomas AFirst filing | President | Sale | 12,129 | $2.8M | Feb 9 | -2.8% | SEC ↗ |
KOWLZAN MARK WFirst filing | Chairman & CEO | Sale | 25,000 | $5.4M | Sep 15 | +9.5% | SEC ↗ |
Congress trading PKG 28 all-time
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-05-06
- DRep. April DelaneyPurchase$1,001 - $15,0002026-04-29
- DRep. April DelaneyPurchase$1,001 - $15,0002026-04-24
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-04-29
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-04-24
- DRep. April McClain DelaneyPurchase$1,001 - $15,0002026-03-20
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does PKG have?
PACKAGING CORP OF AMERICA (PKG) has 42 SEC Form 4 filings (67 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Aug 24, 2026.
When was the most recent SEC Form 4 filing for PKG?
The most recent Form 4 filing for PKG on Tracefour is dated Aug 24, 2026.
Who is the most active insider at PKG?
The most active SEC Form 4 filer at PKG in the rolling window is President Hassfurther Thomas A, with 4 filings.
What is the net insider flow at PKG over the last 6 months?
Over the trailing 180 days, insiders at PKG have net sold $12.2M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at PKG in the current window?
Inside the rolling window, insiders at PKG bought $0 and sold $20.4M based on SEC Form 4 filings.
Can I get alerts for PKG insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at PACKAGING CORP OF AMERICA (PKG). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
PACKAGING CORP OF AMERICA is in the Manufacturing sector.