 Los Angeles, California--Newsfile Corp. - March 15, 2021 - The Schall Law Firm, a national shareholder rights litigation firm, announces the filing of a class action lawsuit against Penumbra, Inc. Penumbra or the Company NYSE: PEN for violations of 10b and 20a of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission.Investors who purchased the Companys securities between August 3, 2020 and December 15, 2020, inclusive... 