INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Graphic Packaging Holding Company - GPK

PR Newswire

NEW YORK, Jan. 1, 2026

NEW YORK , Jan. 1, 2026 /PRNewswire/ -- Pomerantz LLP is investigating claims on behalf of investors of Graphic Packaging Holding Company ("Graphic Packaging" or the "Company") (NYSE: GPK). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com  or 646-581-9980, ext. 7980.

Fighting for victims of securities fraud for more than 85 years (PRNewsfoto/Pomerantz LLP)

The investigation concerns whether Graphic Packaging and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices. 

[Click here for information about joining the class action]

On December 8, 2025, Graphic Packaging released further details on its support function restructuring and production optimization initiatives, and lowered its full-year core earnings and profit outlook due to ongoing production curtailments.  Graphic Packaging advised that Adjusted EBITDA is now expected to be in the range of $1.38 billion to $1.43 billion, down from prior guidance of $1.40 billion to $1.45 billion. 

On this news, Graphic Packaging's stock price fell $1.35 per share, or 8.66%, to close at $14.23 per share on December 9, 2025.

Pomerantz LLP, with offices in New York, Chicago, Los Angeles, London, Paris, and Tel Aviv, is acknowledged as one of the premier firms in the areas of corporate, securities, and antitrust class litigation. Founded by the late Abraham L. Pomerantz, known as the dean of the class action bar, Pomerantz pioneered the field of securities class actions. Today, more than 85 years later, Pomerantz continues in the tradition he established, fighting for the rights of the victims of securities fraud , breaches of fiduciary duty, and corporate misconduct. The Firm has recovered numerous multimillion-dollar damages awards on behalf of class members. See www.pomlaw.com .

Attorney advertising. Prior results do not guarantee similar outcomes.  

CONTACT:
Danielle Peyton
Pomerantz LLP
dpeyton@pomlaw.com
646-581-9980 ext. 7980

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SOURCE Pomerantz LLP

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