Mark W. Kowlzan serves as Executive at PACKAGING CORP OF AMERICA, where they oversee executive responsibilities. Since joining the company, Mark W. Kowlzan has executed 164 insider transactions totaling $30.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 25, 2026 involved receiving (via award) 16,992 shares valued at $0.
Mark W. Kowlzan currently holds 446,999 shares of PACKAGING CORP OF AMERICA (PKG), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark W. Kowlzan has been a net seller of PKG stock. They have purchased $0 and sold $30.5M worth of shares.
Mark W. Kowlzan's most recent insider trade was on Feb 25, 2026, when they sold 16,992 shares at $0.00 per share.
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| $225.55 |
| Discretionary |
| Sep 11, 2025 | PKG | $5.4M | Sale | 25,000 | $215.97 | Discretionary |
| Mar 25, 2024 | PKG | $2.4M | Payment | 12,810 | $187.31 | Discretionary |
| Mar 25, 2024 | PKG | $0 | Award | 28,915 | $N/A | Discretionary |
| Mar 4, 2024 | PKG | $9.9M | Sale | 53,196 | $186.70 | Discretionary |
| Feb 28, 2024 | PKG | $0 | Award | 19,711 | $N/A | Discretionary |
| Feb 28, 2024 | PKG | $0 | Award | 1,913 | $N/A | Discretionary |
| Feb 28, 2024 | PKG | $1.7M | Payment | 9,580 | $176.36 | Discretionary |
| Feb 28, 2024 | PKG | $0 | Award | 20,098 | $N/A | Discretionary |
| Feb 26, 2024 | PKG | $1.5M | Payment | 8,732 | $174.08 | Discretionary |
| Jun 28, 2023 | PKG | $2.4M | Payment | 18,175 | $129.40 | Discretionary |
| Jun 28, 2023 | PKG | $0 | Award | 2,416 | $N/A | Discretionary |
| Mar 21, 2023 | PKG | $1.7M | Payment | 12,494 | $132.96 | Discretionary |
| Mar 21, 2023 | PKG | $0 | Award | 28,201 | $N/A | Discretionary |
| Feb 22, 2023 | PKG | $0 | Award | 23,765 | $N/A | Discretionary |
| Feb 22, 2023 | PKG | $0 | Award | 19,303 | $N/A | Discretionary |
| Jul 18, 2022 | PKG | $2.0M | Payment | 14,988 | $134.29 | Discretionary |
| Jul 18, 2022 | PKG | $0 | Award | 33,830 | $N/A | Discretionary |
| Jun 27, 2022 | PKG | $2.3M | Payment | 16,244 | $141.69 | Discretionary |
| Jun 27, 2022 | PKG | $0 | Award | 1,768 | $N/A | Discretionary |
| Feb 23, 2022 | PKG | $0 | Award | 16,637 | $N/A | Discretionary |
| Feb 23, 2022 | PKG | $0 | Award | 17,449 | $N/A | Discretionary |
| Jul 20, 2021 | PKG | $573.0K | Payment | 4,322 | $132.58 | Discretionary |
| Jul 20, 2021 | PKG | $0 | Award | 9,755 | $N/A | Discretionary |
| Jun 21, 2021 | PKG | $0 | Award | 2,182 | $N/A | Discretionary |
| Jun 21, 2021 | PKG | $2.9M | Payment | 21,431 | $135.33 | Discretionary |
| Feb 23, 2021 | PKG | $0 | Award | 16,838 | $N/A | Discretionary |
| Feb 23, 2021 | PKG | $0 | Award | 23,096 | $N/A | Discretionary |
| Jun 22, 2020 | PKG | $0 | Award | 3,911 | $N/A | Discretionary |