Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of common stock of Planet Fitness, Inc. (NYSE: PLNT) between November 6, 2025 and May 6, 2026. Planet Fitness describes itself as a “franchisor and operator of fitness centers.”

For more information, submit a form, email attorney Phillip Kim, or give us a call at 866-767-3653.

The Allegations: Rosen Law Firm is Investigating the Allegations that Planet Fitness, Inc. (NYSE: PLNT) Misled Investors Regarding its Business Operations.

According to the lawsuit, throughout the Class Period, defendants made materially false and misleading statements and/or concealed material adverse facts concerning the true state of Planet Fitness’ customer acquisition and marketing metrics. Notably, Planet Fitness’ updated marketing messaging was failing to resonate with, and was actively intimidating, its core target demographic of fitness beginners and casual gym-goers. As a result, Planet Fitness was experiencing a significant headwind in net member joins during its peak first-quarter sign-up period that rendered its previously issued fiscal 2026 guidance and long term financial targets unachievable. Instead, Planet Fitness would be required to restructure its marketing strategy, losing the gains they praised from continuing the same marketing campaign, and entirely halt the planned Black Card price increase which sale projections were premised upon. When the true details entered the market, the lawsuit claims that investors suffered damages.

What Now: You may be eligible to participate in the class action against Planet Fitness, Inc. Shareholders who want to serve as lead plaintiff for the class must file their motions with the court by September 14, 2026. A lead plaintiff is a representative party who acts on behalf of other class members in directing the litigation. You do not have to participate in the case to be eligible for a recovery. If you choose to take no action, you can remain an absent class member. For more information, click here.

All representation is on a contingency fee basis. Shareholders pay no fees or expenses.

About Rosen Law Firm: Some law firms issuing releases about this matter do not actually litigate securities class actions. Rosen Law Firm does. Rosen Law Firm is a recognized leader in shareholder rights litigation, dedicated to helping shareholders recover losses, improving corporate governance structures, and holding company executives accountable for their wrongdoing. Since its inception, Rosen Law Firm has obtained over $2 billion for shareholders.

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