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The Global Insight

How long does it take for stock options to vest?

Author

Sarah Garza

Updated on March 10, 2026

Under a standard four-year time-based vesting schedule with a one-year cliff, 1/4 of your shares vest after one year. After the cliff, 1/36 of the remaining granted shares (or 1/48 of the original grant) vest each month until the four-year vesting period is over. After four years, you are fully vested.

What happens when you exercise vested options?

Exercise your stock options to buy shares of your company stock, then sell just enough of the company shares (at the same time) to cover the stock option cost, taxes, and brokerage commissions and fees. The proceeds you receive from an exercise-and-sell-to-cover transaction will be shares of stock.

Should you exercise stock options as soon as they vest?

Early exercise is the right to exercise your stock options before they vest. Your option grant should say whether you can early exercise. Similarly, if you have NSOs, early exercising helps start your holding period sooner so you may pay the lower long-term capital gains tax when you sell.

What happens when stock is vested?

Employee Stock Options (ESOs) : For ESOs, when stock becomes fully vested, the employee has earned the right to an option to purchase the shares that were granted to them in the past.

Is it worth it to exercise an option?

Occasionally a stock pays a big dividend and exercising a call option to capture the dividend may be worthwhile. Or, if you own an option that is deep in the money, you may not be able to sell it at fair value. If bids are too low, however, it may be preferable to exercise the option to buy or sell the stock.

Can a company take back vested stock options?

Can your startup take back your vested stock options? After your options vest, you can “exercise” them – that is, pay for the stock and own it. But if you leave the company and your contract includes a clawback, your company can force you to sell that stock back to it.

How often do stock options vest in a company?

Vesting schedule, which is the time table under which the employees gain full control over the options. This can vary by company. The options may vest all at once or gradually over time, say 20% per year over a five-year period. Only the vested portion is eligible for exercise.

How does stock vesting work in a company?

Instead, you’re getting the right to exercise (buy) a set number of shares at a fixed price later on. You usually have to earn your options over time—a process called vesting. And you can only exercise vested stock options (unless your company allows early exercising).

How do stock options work when you join a company?

How Stock Options Work: Granting and Vesting. When a stock option vests, it means that it is actually available for you to exercise – that is, to buy. Unfortunately, you will not receive all of your options right when you join a company; rather, the options vest gradually, over a period of time known as the vesting period.

When are stock options worthless to an employee?

For example, if the stock is “under water” (less than the strike price) for the entire 30 days, the options are worthless to the employee. Thus, extending the exercise period is one of the most important goals for a terminated employee in crafting a separation agreement.