The Rosen Law Firm, a prominent global investor rights law firm, is reminding investors who purchased securities of Graphic Packaging Holding Company (NYSE:GPK) between February 4, 2025, and February 2, 2026, of the July 6, 2026, deadline to join an ongoing class action lawsuit. The lawsuit alleges that the company made false and misleading statements about its inventory management, demand, and financial guidance, which negatively impacted investors when the truth emerged. Affected investors may be entitled to compensation without any upfront costs, as the firm operates on a contingency fee basis. Interested parties can join the class action by contacting the firm directly or visiting their website. The Rosen Law Firm has a proven history in securities class actions, having secured significant settlements for investors, and emphasizes the importance of selecting qualified legal counsel for this matter. Investors are reminded that until the class is certified, they are not represented unless they retain counsel.