 New York, New York--Newsfile Corp. - September 19, 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 Longeveron Inc. NASDAQ: LGVN: 1 pursuant andor traceable to the Offering documents issued in connection with the Companys initial public offering conducted on or about February 12, 2021 the IPO or Offering; andor 2 between February 12, 2021 and August... 