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PubMatic securities class action lawsuit filed, lead plaintiff deadline Oct 20, 2025.
ByAinvest
Tuesday, Sep 2, 2025 2:16 am ET1min read
A class action lawsuit has been filed against PubMatic, Inc. (NASDAQ: PUBM) for alleged securities fraud between February 27, 2025 and August 11, 2025. Investors who purchased PubMatic securities during this period may be entitled to compensation through a contingency fee arrangement. To join the lawsuit, visit https://rosenlegal.com/submit-form/?case_id=43810 or call Phillip Kim, Esq. at 866-767-3653. Lead plaintiff must be appointed by October 20, 2025.
Investors who purchased PubMatic, Inc. (NASDAQ: PUBM) securities between February 27, 2025 and August 11, 2025 may be eligible for compensation following a class action lawsuit filed against the company. The lawsuit alleges that PubMatic made false and misleading statements and failed to disclose material adverse facts about its business, operations, and prospects during the specified period.The class action lawsuit, filed by Rosen Law Firm, claims that PubMatic failed to disclose that a top demand-side platform (DSP) buyer was shifting a significant number of clients to a new platform that evaluated inventory differently. This shift resulted in a reduction in ad spend and revenue from the top DSP buyer, which was not disclosed to investors. Consequently, the lawsuit alleges that PubMatic's positive statements about its business, operations, and prospects were materially misleading and lacked a reasonable basis.
Investors who wish to join the lawsuit can visit [Rosen Law Firm's submission form](https://rosenlegal.com/submit-form/?case_id=43810) or contact Phillip Kim, Esq. toll-free at 866-767-3653 for more information. The deadline to appoint a lead plaintiff is October 20, 2025.
The lawsuit comes as PubMatic's stock price fell $2.23, or 21.1%, to close at $8.34 per share on August 12, 2025, following the release of its second quarter 2025 financial report. The report revealed that PubMatic was experiencing a reduction in ad spend from one of its top DSP partners due to the shift in inventory evaluation.
References:
[1] https://www.prnewswire.com/news-releases/pubm-investors-have-opportunity-to-lead-pubmatic-inc-securities-fraud-lawsuit-302543338.html
[2] https://www.globenewswire.com/news-release/2025/08/30/3141869/0/en/Bragar-Eagel-Squire-P-C-Reminds-Investors-of-KinderCare-CTO-Realty-PubMatic-and-Charter-Communications-that-Lawsuits-Have-Been-Filed-and-Encourages-Investors-to-Contact-the-Firm.html
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