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Class action lawsuits

Securities Class Action Lawsuit Against WPP plc: Investors have until December 8, 2025 to File Lead Plaintiff Applications

Strategic Insights

— 1 min read

As the securities class action lawsuit against WPP plc (NYSE: WPP) unfolds, investors who purchased shares between February 27, 2025 and July 8, 2025 are reminded to file lead plaintiff applications by December 8, 2025. The lawsuit, pending in the United States District Court for the Southern District of New York, alleges that WPP and its executives failed to disclose material information during the Class Period, violating federal securities laws.

Key Takeaways:

  • The lawsuit alleges that WPP and its executives failed to disclose material information during the Class Period, violating federal securities laws.
  • The Company published a trading update on July 9, 2025, disclosing a deterioration in performance due to macro uncertainty, weaker net new business, and restructuring of WPP Media (a.k.a. GroupM).
  • The price of WPP's shares fell by 18.1% on July 9, 2025, after the trading update was published.
  • Investors have until December 8, 2025 to file lead plaintiff applications in the class action lawsuit.
  • The case is Marty v. WPP plc, 25-cv-08365.
  • Kahn Swick & Foti, LLC, a boutique securities litigation law firm, is leading the case, with former Louisiana Attorney General Charles C. Foti, Jr. as a partner.
  • KSF has offices in New York, Delaware, California, Louisiana, Chicago, and a representative office in Luxembourg.

Statistics:

  • 18.1% - decline in WPP's share price on July 9, 2025, following the trading update.
  • $35.82 - closing price of WPP's shares on July 8, 2025.
  • $29.34 - closing price of WPP's shares on July 9, 2025.
  • 31 December 2025 - date on which WPP's CEO will retire from the Board and as CEO.

Sources:

  • GlobeNewswire, October 28, 2025
  • Kahn Swick & Foti, LLC, October 28, 2025

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