Planet Fitness, Inc. Class Action Lawsuit - PLNT
Case Summary
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The Planet Fitness class action lawsuit seeks to represent purchasers or acquirers of Planet Fitness, Inc. (NYSE: PLNT) common stock between November 6, 2025 and May 6, 2026, inclusive (the “Class Period”). Captioned Matsunaga v. Planet Fitness, Inc., No. 26-cv-00576 (D.N.H.), the Planet Fitness class action lawsuit charges Planet Fitness and certain of Planet Fitness’ top current and former executive officers with violations of the Securities Exchange Act of 1934.
If you suffered substantial losses and wish to serve as lead plaintiff of the Planet Fitness class action lawsuit, please provide your information in the form on this page. You can also contact attorneys Ken Dolitsky or Michael Albert of Robbins Geller by calling 800/851-7783 or via e-mail at info@rgrdlaw.com. Lead plaintiff motions for the Planet Fitness class action lawsuit must be filed with the court no later than September 14, 2026.
CASE ALLEGATIONS: Planet Fitness, together with its subsidiaries, franchises and operates fitness centers under the Planet Fitness brand.
The Planet Fitness class action lawsuit alleges that defendants throughout the Class Period made false and/or misleading statements and/or failed to disclose that defendants created the false impression that they possessed reliable information pertaining to: (i) Planet Fitness’ ability to nationally roll out the Black Card price increase; (ii) Planet Fitness’ projected membership growth outlook and associated sales growth; and (iii) Planet Fitness’ ability to drive new joins on its existing marketing campaign, purportedly saving Planet Fitness additional funds, while also minimizing risks from seasonality, weather-related events, and general macroeconomic fluctuations.
On May 7, 2026, Planet Fitness announced its financial results for the first quarter of fiscal year 2026, allegedly revealing that its critical peak sign-up period was off to a slower-than-expected start internally. The Planet Fitness class action lawsuit further alleges that Planet Fitness disclosed it reduced full-year 2026 and same-store growth guidance, completely withdrew its long-term three-year growth algorithm it had introduced just six months prior, and announced that Planet Fitness was pausing the planned national rollout of the Black Card price increase to prioritize revitalizing new membership growth. On this news, the price of Planet Fitness stock fell more than 31%, according to the complaint.
THE LEAD PLAINTIFF PROCESS: The Private Securities Litigation Reform Act of 1995 permits any investor who purchased or acquired Planet Fitness common stock during the Class Period to seek appointment as lead plaintiff in the Planet Fitness class action lawsuit. A lead plaintiff is generally the movant with the greatest financial interest in the relief sought by the putative class who is also typical and adequate of the putative class. A lead plaintiff acts on behalf of all other class members in directing the Planet Fitness class action lawsuit. The lead plaintiff can select a law firm of its choice to litigate the Planet Fitness class action lawsuit. An investor’s ability to share in any potential future recovery is not dependent upon serving as lead plaintiff of the Planet Fitness class action lawsuit.
ABOUT ROBBINS GELLER: Robbins Geller Rudman & Dowd LLP is one of the world’s leading law firms representing investors in securities fraud and shareholder rights litigation. Our Firm ranked #1 on the most recent ISS Securities Class Action Services Top 50 Report, recovering more than $916 million for investors in 2025. This marks our fourth #1 ranking in the past five years. And in those five years alone, Robbins Geller recovered $8.4 billion for investors – $3.4 billion more than any other law firm. With 200 lawyers in 10 offices, Robbins Geller is one of the largest plaintiffs’ firms in the world, and the Firm’s attorneys have obtained many of the largest securities class action recoveries in history, including the largest ever – $7.2 billion – in In re Enron Corp. Sec. Litig.