18 insiders reported 114 Form 4 transactions for PACKAGING CORP OF AMERICA (PKG) over the past 18 months (most recent 2026-08-11). Recent activity: Hassfurther Thomas A (President) Sell 7,063 shares, Hassfurther Thomas A (President) Sell 12,531 shares, Hassfurther Thomas A (President) Sell 8,797 shares, KOWLZAN MARK W (Chairman & CEO) Sell 9,266 shares, MENCOFF SAMUEL M (Director) Buy 591 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | Hassfurther Thomas A | President | Sell | 7,063 | $1.8M |
| 2026-08-05 | Hassfurther Thomas A | President | Sell | 12,531 | $3.1M |
| 2026-08-05 | Hassfurther Thomas A | President | Sell | 8,797 | $2.3M |
| 2026-05-28 | KOWLZAN MARK W | Chairman & CEO | Sell | 9,266 | $2.0M |
| 2026-05-13 | MENCOFF SAMUEL M | Director | Buy | 591 | $0 |
| 2026-05-12 | PORTER ROGER B | Director | Buy | 591 | $0 |
| 2026-05-12 | BEEBE CHERYL K | Director | Buy | 591 | $0 |
| 2026-05-12 | LYONS ROBERT C | Director | Buy | 591 | $0 |
| 2026-05-12 | SOULELES THOMAS S | Director | Buy | 591 | $0 |
| 2026-05-12 | GOWLAND KAREN E | Director | Buy | 591 | $0 |
| 2026-05-12 | Farrington Duane C | Director | Buy | 591 | $0 |
| 2026-05-12 | Harman Donna A. | Director | Buy | 591 | $0 |
| 2026-03-31 | Shirley Donald R. | Exec. VP | Buy | 6,254 | $0 |
| 2026-03-31 | Shirley Donald R. | Exec. VP | Buy | 478 | $0 |
| 2026-03-31 | Shirley Donald R. | Exec. VP | Sell | 2,650 | $562,462 |
| 2026-03-31 | Hassfurther Thomas A | President | Buy | 29,778 | $0 |
| 2026-03-31 | Hassfurther Thomas A | President | Buy | 2,279 | $0 |
| 2026-03-31 | Hassfurther Thomas A | President | Sell | 12,615 | $2.7M |
| 2026-03-31 | KOWLZAN MARK W | Chairman & CEO | Buy | 43,010 | $0 |
| 2026-03-31 | KOWLZAN MARK W | Chairman & CEO | Buy | 3,292 | $0 |
| 2026-03-31 | KOWLZAN MARK W | Chairman & CEO | Sell | 20,513 | $4.4M |
| 2026-03-31 | Carter Charles J. | EVP-Mill Ops. | Buy | 8,282 | $0 |
| 2026-03-31 | Carter Charles J. | EVP-Mill Ops. | Buy | 634 | $0 |
| 2026-03-31 | Carter Charles J. | EVP-Mill Ops. | Sell | 3,509 | $744,785 |
| 2026-03-31 | Olivier Darla J. | SVP | Buy | 2,260 | $0 |
Source: SEC Form 4 filings · as of 2026-08-11