ROSEN, A TOP RANKED LAW FIRM, First Files Securities Class Action Lawsuit Against Precigen, Inc. f/k/a Intrexon Corporation – PGEN, XON NEW YORK, Oct. 05, 2020 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, announces it has filed a class action lawsuit on behalf of purchasers of the securities of Precigen,...