If you’ve vested any, which is usually 25% after the first year, and then monthly for the next 3 years. You get to keep those shares if you can buy them at your

If you’ve vested any, which is usually 25% after the first year, and then monthly for the next 3 years. You get to keep those shares if you can buy them at your strike price. If you get laid off, you may only have 90 days to exercise (buy) your vested options before you lose that right. Some companies more recently are extending that time. In the dot com crash era it was common for your options to have a strike price higher than the stock price (under water) so no sense in exercising them, since they are worth negative.