According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Packaging Corp Of America are Chairman & Ceo Mark W Kowlzan (437.38K shares), Director Samuel M Mencoff (262.88K shares), President Thomas A Hassfurther (197.06K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Mark W Kowlzan | Chairman & Ceo | 437,378 | 15 Sep, 2025 |
| Samuel M Mencoff | 262,875 | 09 May, 2025 | |
| Thomas A Hassfurther | President | 197,062 | 09 Feb, 2026 |
| Kent A. Pflederer | Svp | 66,457 | 08 Apr, 2025 |
| Darla J. Olivier | Svp | 58,051 | 08 Apr, 2025 |
| Pamela A. Barnes | Svp | 44,501 | 27 Mar, 2024 |
| Robert P. Mundy | Evp & Cfo | 44,408 | 08 Apr, 2025 |
| Charles J. Carter | Evp Mill Ops. | 39,848 | 08 Apr, 2025 |
| Thomas W.H. Walton | Svp | 30,362 | 22 Jul, 2021 |
| Robert Andrew Schneider | Svp & Cio | 24,351 | 27 Mar, 2024 |
| Donald R. Shirley | Exec. Vp | 23,383 | 08 Apr, 2025 |
| Roger B Porter | 22,013 | 09 May, 2025 | |
| Jeffrey S Kaser | Svp | 17,398 | 27 Mar, 2024 |
| Bruce A Ridley | Svp | 15,618 | 27 Mar, 2024 |
| Cheryl K Beebe | 14,513 | 09 May, 2025 | |
| Robert C Lyons | 12,838 | 12 May, 2025 | |
| Thomas S Souleles | 10,611 | 09 May, 2025 | |
| Joseph Vaughn | Svp | 10,218 | 28 Feb, 2025 |
| Paul T Stecko | 9,492 | 09 May, 2025 | |
| Thomas P. Maurer | 8,764 | 10 May, 2024 | |
| James D Woodrum | 8,615 | 05 May, 2021 | |
| Duane C Farrington | 6,652 | 09 May, 2025 | |
| Heidi L Patton | Svp | 6,346 | 28 Feb, 2025 |
| Donna A. Harman | 4,588 | 09 May, 2025 | |
| Karen E Gowland | 1,527 | 09 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Thomas A Hassfurther | Common Stock | D | 12,129 | $230.50 | 197,062 | D | S |
| 11 Sep, 2025 | Mark W Kowlzan | - | - | 437,378 | D | |||
| 11 Sep, 2025 | Mark W Kowlzan | Common Stock | D | 25,000 | $215.97 | 437,378 | D | S |
| 07 May, 2025 | Roger B Porter | Common Stock | A | 611 | $0.00 | 22,013 | D | A |
| 07 May, 2025 | Cheryl K Beebe | - | - | 14,513 | D | |||
| 07 May, 2025 | Cheryl K Beebe | Common Stock | A | 611 | $0.00 | 14,513 | D | A |
| 07 May, 2025 | Robert C Lyons | Common Stock | A | 611 | $0.00 | 12,838 | D | A |
| 07 May, 2025 | Samuel M Mencoff | Common Stock | A | 611 | $0.00 | 262,875 | D | A |
| 07 May, 2025 | Paul T Stecko | Common Stock | A | 611 | $0.00 | 9,492 | D | A |
| 07 May, 2025 | Thomas S Souleles | Common Stock | A | 611 | $0.00 | 10,611 | D | A |
| 07 May, 2025 | Karen E Gowland | Common Stock | A | 611 | $0.00 | 1,527 | D | A |
| 07 May, 2025 | Duane C Farrington | Common Stock | A | 611 | $0.00 | 6,652 | D | A |
| 07 May, 2025 | Donna A. Harman | Common Stock | A | 611 | $0.00 | 4,588 | D | A |
| 04 Apr, 2025 | Mark W Kowlzan | Common Stock | A | 2,404 | $0.00 | 475,652 | D | A |
| 04 Apr, 2025 | Mark W Kowlzan | Common Stock | A | 27,559 | $0.00 | 473,248 | D | A |
| 04 Apr, 2025 | Mark W Kowlzan | Common Stock | D | 13,274 | $183.42 | 462,378 | D | F |
| 04 Apr, 2025 | Thomas A Hassfurther | Common Stock | A | 19,006 | $0.00 | 215,666 | D | A |
| 04 Apr, 2025 | Thomas A Hassfurther | Common Stock | A | 1,657 | $0.00 | 217,323 | D | A |
| 04 Apr, 2025 | Thomas A Hassfurther | Common Stock | D | 8,132 | $183.42 | 209,191 | D | F |
| 04 Apr, 2025 | Robert P. Mundy | Common Stock | A | 737 | $0.00 | 48,482 | D | A |