KOWLZAN MARK W (CIK 1247456) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-28). Recent activity: Sell PKG (9,266 shares), Buy PKG (43,010 shares), Buy PKG (3,292 shares), Sell PKG (20,513 shares), Buy PKG (16,637 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 9,266 | $2.0M |
| 2026-03-31 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 43,010 | $0 |
| 2026-03-31 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 3,292 | $0 |
| 2026-03-31 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 20,513 | $4.4M |
| 2026-03-10 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 16,637 | $0 |
| 2026-03-10 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 1,476 | $0 |
| 2026-03-10 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 8,025 | $1.8M |
| 2026-02-26 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 16,992 | $0 |
| 2026-02-24 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 7,371 | $1.7M |
| 2025-09-15 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 25,000 | $5.4M |
| 2025-04-08 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 27,559 | $0 |
| 2025-04-08 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 2,404 | $0 |
| 2025-04-08 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 13,274 | $2.4M |
| 2025-03-06 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 19,195 | $0 |
| 2025-03-06 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Buy | 1,779 | $0 |
| 2025-03-06 | PACKAGING CORP OF AMERICA (PKG) | Chairman & CEO | Sell | 9,293 | $1.9M |
Source: SEC Form 4 filings · as of 2026-05-28