NEW YORK, July 27, 2024 /PRNewswire/ -- Rosen Law Firm, a global investor rights law firm, reminds investors a shareholder filed a class action lawsuit on behalf of all persons and entities that purchased securities of Marinus Pharmaceuticals, Inc. (NASDAQ: MRNS) between March 17, 2021 and May 7, 2024. Shareholders who want to serve as lead plaintiff for the class must file their motions with the court by August 5, 2024. To join the Marinus class action, go to https://rosenlegal.com/submit-form/?case_id=257 ...