Vest has two meanings: If it's a stock option, then it means you have the ability to purchase a share at a pre-determined price, no matter the current public pr

Vest has two meanings: If it's a stock option, then it means you have the ability to purchase a share at a pre-determined price, no matter the current public price of the stock (or even if there is no public price). If it's a Restricted Stock Unit, it means you own that share.