Elon Musk has stated that he'd offer $0 salary to the board members if Twitter accepts his buyout offer. However, Twitter adopted the 'poison pill strategy' allowing its shareholders to buy more shares of the company at a discount, and therefore, protect itself from a buyout.

source https://gadgets360.com/social-networking/news/elon-musk-twitter-board-members-poison-pill-shareholder-2899610#rss-gadgets-all