Mealey's (November 23, 2021, 2:51 PM EST) -- GREENBELT, Md. — An investor filed a shareholder derivative lawsuit against several executives officers and directors of biopharmaceutical company Novavax Inc. in Maryland federal court on Nov. 22, alleging that the defendants breached their fiduciary duty by failing to disclose that manufacturing issues would delay the production and government approval of the company’s COVID-19 vaccine candidate....