NEW YORK, May 27, 2025 /PRNewswire/ --Why: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of common stock of DoubleVerify Holdings, Inc. (NYSE: DV) between November 10, 2023 and February 27, 2025, both dates inclusive (the "Class Period"). If you wish to serve as lead plaintiff, you must move the Court no later than July 21, 2025.So What: If you purchased DoubleVerify common stock during the Class Period you may be entitled to compen ...