🕵️ Packaging Corp of America ($PKG)
SEC insider & ownership activity, last 12 months · CIK 75677 · every row links its SEC filing
Over the last 12 months insiders sold $10.2M with no open-market buying against it. Mark W. Kowlzan sold $7.4M in discretionary trades (Sep–May). 1 planned sale is pending, the largest $7.3M (Thomas A. Hassfurther). One red-flag 8-K in the window: Impairment (2.06), Dec 3, 2025.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 2 sellers, $10.2M (3 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Mark W. Kowlzan | 0 | – | 2 | $7.4M | May 27, 2026 |
| Thomas A. Hassfurther | 0 | – | 1 | $2.8M | Feb 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 8.3% | 13G | Apr 17, 2025 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ | |
| T. ROWE Price Associates, Inc. | 7.3% | 13G | May 15, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Thomas A. Hassfurther | $7.3M | Jul 28, 2026 | filing ↗ |
| Mark W. Kowlzan | $2.0M | May 27, 2026 | filing ↗ |
| Thomas A. Hassfurther | $6.5M | Feb 13, 2026 | filing ↗ |
| Thomas A. Hassfurther | $2.8M | Feb 5, 2026 | filing ↗ |
| Mark W. Kowlzan | $5.4M | Sep 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 22, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 12, 2026 | filing ↗ |
| Earnings (2.02) | Apr 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 22, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Earnings (2.02) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 10, 2025 | filing ↗ |
| Exit or disposal costs (2.05) | Dec 3, 2025 | filing ↗ |
| Impairment (2.06) | Dec 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 3, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |
| New financial obligation (2.03) | Aug 31, 2025 | filing ↗ |
| Other events (8.01) | Aug 31, 2025 | filing ↗ |
| New financial obligation (2.03) | Aug 11, 2025 | filing ↗ |
| Other events (8.01) | Aug 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 11, 2025 | filing ↗ |
| Material agreement (1.01) | Jul 31, 2025 | filing ↗ |
| Agreement terminated (1.02) | Jul 31, 2025 | filing ↗ |
| New financial obligation (2.03) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |