A proposed class action filed in the US District Court for the Northern District of California alleges that PubMatic hid slipping revenue tied to a top ad-buying partner while migrating clients to a new platform. The proposed class would cover purchasers of PubMatic securities from Feb. 27, 2025, through Aug. 11, 2025, who later experienced declines in value. PubMatic operates a sell-side platform that connects demand-side platforms and advertising agencies with online publishers and helps publishers manage ad inventory. A DSP helps advertisers manage their ad buying across publisher inventory.
PubMatic Inc. hid from stockholders that its revenue tied to a top advertisement-buying partner was slipping as it shifted clients to a new platform, a proposed class action says. The class proposed in the US District Court for the Northern District of California lawsuit filed Wednesday would include those who acquired PubMatic securities from Feb. 27, 2025, through Aug. 11, 2025, then watched them decline in value.
PubMatic connects ad buyers, so-called demand-side platforms or advertising agencies, with online publishers. PubMatic's sell-side platform helps publishers manage ad inventory, the space they supply to advertisers. A DSP helps advertisers manage their ...
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