Form4insider filings, from the source

Company · CIK 0000075677 · SIC 2650 — Paperboard Containers & Boxes · NYSE

PACKAGING CORP OF AMERICA · PKG

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $10.2M · 3net −$10.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 20, 2026 SForm 4 →Aug 24, 2:32 pm EDTDonald R. ShirleyExec. VP12,000$250.71$3,008,49619,110−38.6%
Aug 7, 2026 SForm 4 →Aug 11, 10:41 am EDTThomas A HassfurtherPresident7,063$254.00$1,794,002202,891−3.36%
Aug 3, 2026 SForm 4 →Aug 5, 2:41 pm EDTThomas A HassfurtherPresident21,328$252.89$5,393,579209,954−9.22%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.