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Packaging Corp. of America planned insider sales

In the last twelve months insiders at Packaging Corp. of America filed 5 Form 144 notices of planned sales, 88,236 shares worth $21.6 million at the time of filing, from 3 sellers. The latest, filed 20 August 2026: Donald Ray Shirley (director), 12,000 shares worth $3.0 million, planned for around 20 August 2026 through Merrill Lynch.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
20 August 2026Donald Ray ShirleyDirector12,000$3.0 million20 August 202612,000 shares from 20 August 2026Merrill LynchStock bonusForm 144
28 July 2026Hassfurther Thomas AOfficer28,391$7.3 million28 July 202628,391 shares from 3 August 2026Charles Schwab & Co., Inc.Employee Compensation; Equity CompensationForm 144
27 May 2026Kowlzan Mark WMember of immediate family of any of the foregoing9,266$2.0 million27 May 20269,266 shares from 27 May 2026Northern Trust Securities, Inc.Stock AwardForm 144
13 February 2026Hassfurther Thomas AOfficer26,450$6.5 million13 February 2026No matching Form 4 saleCharles Schwab Corp.Stock GrantsForm 144
5 February 2026Hassfurther Thomas AOfficer12,129$2.8 million5 February 202612,129 shares from 5 February 2026Charles Schwab & Co., Inc.Employee CompensationForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?