Core Viewpoint - PubMatic, Inc. is facing a class action lawsuit due to alleged misleading statements regarding its business operations and financial outlook, particularly related to a significant reduction in ad spend from a top demand-side platform (DSP) partner [3][2]. Financial Performance - On August 11, 2025, PubMatic reported its second quarter 2025 financial results, revealing a decline in ad spend from a key DSP partner, which negatively impacted the company's revenue outlook [2]. - Following the announcement, PubMatic's share price dropped by $2.23, approximately 21.1%, from $10.57 to $8.34 per share [2]. Lawsuit Details - The class action lawsuit is on behalf of investors who purchased PubMatic securities between February 27, 2025, and August 11, 2025 [3]. - The lawsuit claims that the company failed to disclose critical information regarding the shift of clients to a new platform by a top DSP buyer, leading to reduced ad spend and revenue [3]. Legal Representation - Kirby McInerney LLP is the law firm representing the investors in this class action lawsuit, focusing on securities litigation and has a history of achieving significant recoveries for shareholders [4].

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