No way. He has too much responsibility to the people who helped him build his fortune. He knows his stakeholders lively hoods and life savings rely on his influence to instill confidence by holding onto his coin supply.
Hell, I even have a price in mind at which I'm not even going to botter swapping it to btc anymore but just keep it on my hardware wallet and use it as savings account... with coinbase add it's gonna be easy peasy to swap them for fiat so no need to go btc first. This is literally the first time I have ever thought this about a coin