 HONOLULU--BUSINESS WIRE--The Sonic Fund II, L.P. Sonic, which beneficially owns approximately 6.8 of the outstanding common stock of Adverum Biotechnologies, Inc. NASDAQ: ADVM the Company or Adverum, today reminded stockholders to make their voices heard at the Companys upcoming 2021 Annual Meeting of Stockholders the 2021 Annual Meeting, which will be held on Wednesday, May 12, 2021. Additionally, Sonic nominee Jean Bennett today issued the following statement: I am fully 