NEW YORK, Jan. 8, 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 [email protected] or 646-581-9980, ext. 7980.
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INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Graphic Packaging Holding Company - GPK
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