 New York, New York--Newsfile Corp. - May 21, 2021 - WHY: Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of Aterian, Inc. NASDAQ: ATER fka Mohawk Group Holdings, Inc. NASDAQ: MWK between December 1, 2020 through May 3, 2021, inclusive the Class Period. A class action lawsuit has already been filed. If you wish to serve as lead... 