A federal judge is mulling the motion.
Musk and otherTeslaboard members are confronting a lawsuit that claims he manipulated Teslas stock in 2018.
The 420 was considered to be a joking reference to a time associated with marijuana smoking.
Elon MuskGetty Images
The stock soared on the tweet, then seesawed for weeks.
Protests outside Twitter headquarters and local politicians inflammatory statements have also tainted the potential jury pool.
