 PARIS, March 17, 2021 GLOBE NEWSWIRE -- Constellium SE NYSE: CSTM Constellium or the Company has filed its annual report on Form 20-F for the year ended December 31, 2020 with the U.S. Securities and Exchange Commission. The 2020 20-F is available on Constelliums website at and on the website of the U.S. Securities and Exchange Commission at 