Mark W. Kowlzan, Chairman and CEO of Packaging Corp of America (PKG), made one open market sale of PKG shares in the last year, totaling $5.4 million. His most recent sale occurred on September 11, 2025. Among 11,678 insiders with sales, his amount ranks 1,826th, below the average of $8.6 million per person across 6.37 transactions on average. He recorded no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 27, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 20513 | $212.25 | 505,919.0000 | 89,700,000 | 3.90% | 0.02% |
| March 27, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 43010 | $0.00 | 523,140.0000 | 89,700,000 | 8.96% | 0.05% |
| March 27, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 3292 | $0.00 | 526,432.0000 | 89,700,000 | 0.63% | 0.00% |
| March 6, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 16637 | $0.00 | 486,464.0000 | 89,700,000 | 3.54% | 0.02% |
| March 6, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 8025 | $222.52 | 479,915.0000 | 89,700,000 | 1.64% | 0.01% |
| March 6, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 1476 | $0.00 | 487,940.0000 | 89,700,000 | 0.30% | 0.00% |
| Feb. 25, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 16992 | $0.00 | 469,827.0000 | 89,700,000 | 3.75% | 0.02% |
| Feb. 23, 2026 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 7371 | $225.55 | 452,835.0000 | 89,700,000 | 1.60% | 0.01% |
| Sept. 11, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | S | Common Stock | 25000 | $215.97 | 459,511.0000 | 89,500,000 | 5.16% | 0.03% |
| April 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 27559 | $0.00 | 495,381.0000 | 89,500,000 | 5.89% | 0.03% |
| April 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 2404 | $0.00 | 497,785.0000 | 89,500,000 | 0.49% | 0.00% |
| April 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 13274 | $183.42 | 484,511.0000 | 89,500,000 | 2.67% | 0.01% |
| March 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 9293 | $202.27 | 467,822.0000 | 89,500,000 | 1.95% | 0.01% |
| March 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 19195 | $0.00 | 475,336.0000 | 89,500,000 | 4.21% | 0.02% |
| March 4, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 1779 | $0.00 | 477,115.0000 | 89,500,000 | 0.37% | 0.00% |
| Feb. 26, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 17993 | $0.00 | 455,652.0000 | 89,500,000 | 4.11% | 0.02% |
| Feb. 24, 2025 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 7460 | $209.74 | 437,659.0000 | 89,500,000 | 1.68% | 0.01% |
| Nov. 7, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | S | Common Stock | 36444 | $239.54 | 472,368.0000 | 89,500,000 | 7.16% | 0.04% |
| Nov. 6, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | S | Common Stock | 3165 | $243.01 | 508,812.0000 | 89,500,000 | 0.62% | 0.00% |
| Nov. 8, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | S | Common Stock | 27031 | $240.34 | 445,337.0000 | 89,500,000 | 5.72% | 0.03% |
| March 25, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 12810 | $187.31 | 511,759.0000 | 89,500,000 | 2.44% | 0.01% |
| March 25, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 28915 | $0.00 | 524,569.0000 | 89,500,000 | 5.83% | 0.03% |
| March 4, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | S | Common Stock | 53196 | $186.70 | 495,447.0000 | 89,500,000 | 9.70% | 0.06% |
| Feb. 28, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 9580 | $176.36 | 548,643.0000 | 89,500,000 | 1.72% | 0.01% |
| Feb. 28, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 20098 | $0.00 | 536,599.0000 | 89,500,000 | 3.89% | 0.02% |
| Feb. 28, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 19711 | $0.00 | 556,310.0000 | 89,500,000 | 3.67% | 0.02% |
| Feb. 28, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 1913 | $0.00 | 558,223.0000 | 89,500,000 | 0.34% | 0.00% |
| Feb. 26, 2024 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 8732 | $174.08 | 516,501.0000 | 89,500,000 | 1.66% | 0.01% |
| June 28, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 18175 | $129.40 | 522,516.0000 | 92,700,000 | 3.36% | 0.02% |
| June 28, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 2416 | $0.00 | 524,932.0000 | 92,700,000 | 0.46% | 0.00% |
| March 21, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 28201 | $0.00 | 552,946.0000 | 92,700,000 | 5.37% | 0.03% |
| March 21, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | F | Common Stock | 12494 | $132.96 | 540,452.0000 | 92,700,000 | 2.26% | 0.01% |
| Feb. 22, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 19303 | $0.00 | 524,428.0000 | 92,700,000 | 3.82% | 0.02% |
| Feb. 22, 2023 | PACKAGING CORP OF AMERICA | $PKG | KOWLZAN MARK W | Chairman & CEO | A | Common Stock | 23765 | $0.00 | 505,125.0000 | 92,700,000 | 4.94% | 0.03% |