The amount of tax you’ll pay will depend on two things: The length of time you held the stock and your income.
“If you held it over a year and sold it, then it's long-term capital gains tax,” says Robert Conzo, a certified financial planner and CEO of The Wealth Alliance, an investment advisory firm with about $1 billion in assets under management. “If it's less than a year, it's short-term capital gains tax.”