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144 Filing: Shirley Donald R.

Low SignificanceAugust 20, 2026 at 2:24:06 PM EDT

PACKAGING CORP OF AMERICA

$PKG144CIK: 0000075677

Filed by Shirley Donald R.

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Filing Summary

144 Filing

Company: Shirley Donald R. Filed: 2026/08/20

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Topics:#SECFiling#144#StockAlert

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