Mark W. Kowlzan
Chairman & CEO at Packaging Corporation of America
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Packaging Corporation of America, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Packaging Corporation of America May 12, 202697.0%
-
Packaging Corporation of America May 7, 202593.8%
-
Packaging Corporation of America May 8, 202492.5%
-
Packaging Corporation of America May 2, 202389.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 27, 2026 | Packaging Corporation of America | Open-market sale | −9,266 | $217.08 | $2,011,463 |
| Mar 27, 2026 | Packaging Corporation of America | Grant or award | +43,010 | — | — |
| Mar 27, 2026 | Packaging Corporation of America | Grant or award | +3,292 | — | — |
| Mar 27, 2026 | Packaging Corporation of America | Shares withheld for tax | −20,513 | $212.25 | $4,353,884 |
| Mar 6, 2026 | Packaging Corporation of America | Grant or award | +16,637 | — | — |
| Mar 6, 2026 | Packaging Corporation of America | Grant or award | +1,476 | — | — |
| Mar 6, 2026 | Packaging Corporation of America | Shares withheld for tax | −8,025 | $222.52 | $1,785,723 |
| Feb 25, 2026 | Packaging Corporation of America | Grant or award | +16,992 | — | — |
| Feb 23, 2026 | Packaging Corporation of America | Shares withheld for tax | −7,371 | $225.55 | $1,662,529 |
| Sep 11, 2025 | Packaging Corporation of America | Open-market sale | −25,000 | $215.97 | $5,399,250 |
| Apr 4, 2025 | Packaging Corporation of America | Grant or award | +27,559 | — | — |
| Apr 4, 2025 | Packaging Corporation of America | Grant or award | +2,404 | — | — |
| Apr 4, 2025 | Packaging Corporation of America | Shares withheld for tax | −13,274 | $183.42 | $2,434,717 |
| Mar 4, 2025 | Packaging Corporation of America | Grant or award | +19,195 | — | — |
| Mar 4, 2025 | Packaging Corporation of America | Grant or award | +1,779 | — | — |
Questions about Mark W. Kowlzan
What boards is Mark W. Kowlzan on?
Mark W. Kowlzan sits on the board of Packaging Corporation of America.
What company is Mark W. Kowlzan the CEO of?
Mark W. Kowlzan is Chairman & CEO of Packaging Corporation of America.
How long has Mark W. Kowlzan served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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