Packaging Corp of America Q4 and 2025 results

Packaging Corporation of America filed a current report to furnish its fourth quarter and full year 2025 financial results.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

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Form Type

8-K

Rhea-AI Filing Summary

Packaging Corporation of America filed a current report to furnish its fourth quarter and full year 2025 financial results. The company states that it issued a press release on January 27, 2026, and provides this release as Exhibit 99.1, incorporated by reference into the results section.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Packaging Corporation of America (PKG) report in this 8-K?

The company reports that it has issued a press release announcing its fourth quarter and full year 2025 financial results. That earnings press release, dated January 27, 2026, is furnished as Exhibit 99.1 and incorporated by reference into the results section.

Which period’s results are covered by Packaging Corporation of America’s latest filing?

The filing covers Packaging Corporation of America’s fourth quarter and full year 2025 financial results. These results are not detailed in the text but are contained in the earnings press release furnished as Exhibit 99.1, dated January 27, 2026, and referenced in the report.

How is the earnings press release treated for SEC purposes in PKG’s 8-K?

The company states that the information in Item 2.02, including the press release, is being furnished rather than filed. It is not deemed filed under Section 18 of the Exchange Act or incorporated into other filings, unless expressly incorporated by specific reference later.

What exhibits are included with Packaging Corporation of America’s 8-K?

The 8-K includes Exhibit 99.1, the Fourth Quarter and Full Year 2025 Earnings Press Release dated January 27, 2026. It also lists Exhibit 104, the cover page interactive data file embedded within the Inline XBRL document, providing structured data for electronic use.

Who signed Packaging Corporation of America’s January 27, 2026 8-K filing?

The report was signed on behalf of Packaging Corporation of America by Kent A. Pflederer. He is identified as the company’s Executive Vice President and Chief Financial Officer, acting as the duly authorized officer for this current report on Form 8-K.

On what date did Packaging Corporation of America issue the earnings press release?

Packaging Corporation of America states that it issued the earnings press release on January 27, 2026. The same date appears on Exhibit 99.1, which contains the detailed fourth quarter and full year 2025 financial results and is furnished with this current report.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Understanding 8-K Material Events →

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Accepted by SEC EDGAR 01/27/2026 - 06:00 PM EST

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

     CURRENT REPORT

    

     Pursuant to Section 13 OR 15(d)

    

     of The Securities Exchange Act of 1934

    

Date of Report (Date of earliest event reported): January 27, 2026

(Exact name of registrant as specified in its charter)

     Delaware

     1-15399

     36-4277050

     (State or other jurisdiction
of incorporation)

     (Commission
File Number)

     (IRS Employer
Identification No.)

1 North Field Court, Lake Forest, Illinois 60045

(Address of Principal Executive Offices, including Zip Code)

(847) 482-3000

(Registrants' Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:


☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2 (b) under the Exchange Act (17 CFR 240.14d-2 (b))
☐	Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 240.13e-4 (c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Securities registered pursuant to Section 12(b) of the Exchange Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	PKG	New York Stock Exchange

Item 2.02. Results of Operations and Financial Condition.

The information furnished in this Item 2.02, including the exhibit described below, shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

On January 27, 2026, Packaging Corporation of America issued a press release announcing fourth quarter and full year financial results. The press release is furnished as Exhibit 99.1 and is incorporated into this Item 2.02 by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits


99.1		Fourth Quarter and Full Year 2025 Earnings Press Release dated January 27, 2026
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.


			PACKAGING CORPORATION OF AMERICA
				(Registrant)

			By:	/s/ KENT A. PFLEDERER
				Executive Vice President and Chief Financial Officer

Date: January 27, 2026

Source: View Original Filing on SEC EDGAR