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Packaging Corp. of America SEC filings

In the twelve months since 23 September 2025 Packaging Corp. of America filed 17 documents with the SEC of the kinds listed here: 8 current reports (8-K), about 4 results of operations; 1 shareholder vote; 1 officer or director change; 1 regulation fd disclosure; 1 exit or disposal costs; 3 quarterly reports (10-Q), 2 employee plan annual reports (11-K), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 7 August 2026: 10-Q, quarterly report.

FiledFormWhat it was aboutPeriod or event dateFiling
7 August 202610-Qquarterly report30 June 2026EDGAR
23 July 20268-KResults of operations22 July 2026EDGAR
28 May 202611-Kemployee plan annual report31 December 2025EDGAR
28 May 202611-Kemployee plan annual report31 December 2025EDGAR
13 May 20268-KShareholder vote12 May 2026EDGAR
8 May 202610-Qquarterly report31 March 2026EDGAR
23 April 20268-KResults of operations22 April 2026EDGAR
27 March 2026ARSannual report to shareholders31 December 2025EDGAR
27 March 2026DEFA14Aadditional proxy materialEDGAR
27 March 2026DEF 14Aproxy statement12 May 2026EDGAR
3 March 20268-KOfficer or director change25 February 2026EDGAR
26 February 202610-Kannual report31 December 2025EDGAR
28 January 20268-KResults of operations27 January 2026EDGAR
10 December 20258-KRegulation FD disclosure10 December 2025EDGAR
4 December 20258-KExit or disposal costs, Material impairment3 December 2025EDGAR
6 November 202510-Qquarterly report30 September 2025EDGAR
23 October 20258-KResults of operations22 October 2025EDGAR

An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened. Form 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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