Turning oodles of shares into cash at the prevailing price, without pushing the price adversely, is quite a trick. "Slippage" is how to research this concept.
Who suddenly needs $3 billion out of the blue? Because Bezos regularly cashes in over a billion each quarter. Is that not enough to maintain a lifestyle?
But if he wants to buy a sports team, he can probably pay directly in AMZN stock as a private transaction (well, except for possible SEC regulations.)
