Vested stock options expire silently. There is no grace period, no late fee, no second chance. A 90-day post-termination window or a 10-year grant clock ends on its date, and whatever you didn't exercise is gone. Set a reminder ahead of every deadline that matters.
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Real people, real losses, almost always traceable to a single missed date.
commonly reported losses from missing the post-termination exercise window at a successful private company
First-person essays and Reddit threads from former employees
the default post-termination exercise window most companies grant after your last day of employment
National Center for Employee Ownership (NCEO)
the standard expiration on most employee stock option grants, dating from the original grant date
IRS rules for incentive stock options (ISOs)
Most consequences in personal finance show up in your inbox. Bills get sent. Renewals get pinged. Tax software emails you when forms are ready. Stock option deadlines do not work that way. Your employer issued the grant years ago, your equity platform is read-only, and the clock just runs in the background.
The forgetting also has a specific shape. The 90-day post-termination window starts on a date you weren't thinking about your equity. You were thinking about your next job, your last paycheck, your health insurance. By the time you remember to ask about exercising, weeks have passed and you have an expensive decision to make in a hurry. Many people don't make it at all.
The 10-year grant clock is even quieter. You receive an option grant in year one. You leave the company in year four with vested options and an extended exercise window your employer offered as a perk. You move on. Six years later, the company is still private, you've half-forgotten about the equity, and the original 10-year term silently expires. No email arrives. The shares are gone.
Each one ends on a specific date. None of them remind you they're coming.
After your last day, you typically have 90 days to exercise vested options before they vanish. Some companies extend this to 1, 5, or 10 years, but the default is brutal.
Track the 90-day window →Every option grant has an expiration date, usually 10 years from grant. Check your grant agreement, mark the date, and set a reminder for 90 days before.
Find your expiration date →If you early-exercise unvested options or receive restricted stock, you have exactly 30 days to file an 83(b) election with the IRS. There is no extension. Missing this can cost years of ordinary-income tax.
Set the 83(b) deadline →Equity decisions take preparation. You may need to wire cash for the strike price, file an 83(b) election, talk to a CPA about Alternative Minimum Tax (AMT), or arrange a cashless exercise through your broker. None of that happens in an afternoon. A reminder set far enough in advance creates the window in which you can actually make a good decision instead of a panicked one.
Find the date in your grant agreement, termination letter, or equity platform. 90-day windows, 10-year expirations, and 83(b) elections all have explicit dates.
A reminder 60–90 days before the deadline gives you time to gather cash, get tax advice, and decide deliberately. Last-minute exercise rarely produces good outcomes.
If you don't mark it done, BoldRemind keeps following up. For a decision worth thousands to millions of dollars, one notification you might miss isn't enough.
Each deadline has its own quirks. The details live here.
You forfeit them. The shares disappear, the gain disappears, the company keeps the equity. Unlike a missed payment or a late filing, there is no grace period and no recovery. The contract simply ends on the expiration date.
For a 10-year grant expiration, set a reminder 90 days before. For a post-termination exercise window (usually 90 days), set one within a week of your last day so you have time to gather cash and tax advice. For an 83(b) election, set it immediately on the day you sign, with the email firing at day 20 of the 30-day window.
Yes. The standard 10-year clock starts at the grant date and keeps running whether you stay or leave. Long-tenured employees at private companies regularly lose grants this way because the company never went public and the options ran out of time.
Under IRS rules, no more than $100,000 worth of incentive stock options (ISOs) can become exercisable for any single employee in a calendar year. Anything over that limit converts to non-qualified stock options (NSOs), which are taxed differently. The limit is calculated at the grant date strike price, not the current value.
Usually not. Equity platforms like Carta and Shareworks send occasional account emails, but they do not actively warn you about an approaching expiration the way a deadline reminder would. Many ex-employees discover the forfeiture only after the window has closed.
Almost never. Some companies offer extended post-termination exercise windows up front (Quora, Pinterest, and Stripe at times have offered 7–10 years), but you cannot retroactively negotiate one after missing the deadline. The forfeiture is binding.
Yes. Once you mark the reminder unread or don't mark it done, follow-up emails continue until you confirm you exercised or chose not to. For a six-figure decision, one notification that gets buried in your inbox isn't enough.
Free. No account. Takes 30 seconds. Get an email weeks before your exercise deadline, and follow-ups until you've made the call.
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