You hand in your badge on a Friday. On Monday you start somewhere new, and somewhere in a stack of old onboarding emails sits a grant agreement that quietly stopped being simple the moment you left. Vested stock options often come with a deadline attached to your departure date, and that deadline can be shorter than most people expect.
This guide is educational. It does not recommend exercising, selling, or holding anything, and it is not legal, tax, accounting, or investment advice. Its purpose is to lay out the topics worth reviewing with your own advisors when you leave a company holding options, so the questions you bring are specific and the decisions are not made in a rush.
Why Leaving Starts a Clock
Stock options give you the right to buy company shares at a set price, usually called the exercise or strike price. While you work at the company, that right typically stays in place as long as the option has not expired. When your employment ends, many plans shorten the period during which you may still exercise. The standard figure people hear is 90 days, but plans differ, and some are shorter or longer.
The specific language lives in two documents: your individual grant agreement and the company's equity plan. If the two seem to conflict, that is a question for the company's equity administrator or an attorney, not a guess. Start by locating both documents before your last day, because access to the equity portal sometimes changes after you leave.
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Vested Versus Unvested: What Usually Happens to Each
Only vested options can be exercised. Unvested options generally stop vesting on your last day and, in most plans, are forfeited. That means the number you should be reviewing is not your total grant but the portion that has vested as of your separation date.
Some agreements include special treatment for certain departures, such as acceleration on a layoff or a change of control, and some do the opposite and cut off rights if the company says you were let go for cause. Ask the equity administrator for a written statement of how many options are vested on your final day, what the exercise price is, and the exact date the window closes. A written answer is far easier to rely on than a verbal one.
The Difference Between Incentive and Nonqualified Options
The two common types of employee options are treated differently for tax purposes, and the type you hold matters when you leave. Incentive stock options, often shortened to ISOs, have special tax rules that can apply if you meet certain holding periods. Nonqualified stock options follow a more ordinary pattern, where the spread between the exercise price and the value of the shares at exercise is generally treated as compensation income.
There is also a rule that matters for departures. For an incentive stock option to keep its special status, the exercise generally has to happen within a limited period after employment ends, commonly cited as three months. Exercise later and the option may be treated as a nonqualified one. The IRS publishes general information on how employee stock options are taxed, and a tax advisor can tell you which rules apply to the options you actually hold.
The Cash Question Behind Exercising
Exercising an option usually means paying the exercise price for every share, and for a large grant that can be a meaningful sum. On top of that, taxes can be triggered by the exercise itself, even when the shares cannot be sold. Many people discover this only after they have left, when the paycheck that might have covered it is gone.
Plans handle payment differently. Some allow a cashless exercise, some allow paying with shares you already own, and many private companies require a straightforward cash payment. Ask what payment methods your plan allows, how quickly the company processes an exercise, and whether there are minimum exercise amounts. Then ask your tax advisor to estimate the total cash needed, including any tax that could be due, so the number is not a surprise.
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When the Company Is Still Private
If the company is privately held, there is usually no market where you can sell shares after you exercise. You may pay money, hold an asset you cannot easily convert to cash, and wait for an acquisition, a public offering, or a company-run tender offer that may or may not happen. That risk is part of the picture, and it deserves a direct conversation rather than optimism.
Ask the company whether it has any rights to buy shares back from departing employees, and at what price. Ask whether there are transfer restrictions, a right of first refusal, or lockup terms that apply once you hold the shares. The SEC's investor education site offers general explanations of how securities of private companies work, which can help you form better questions for the professionals you hire.
The Alternative Minimum Tax and Other Surprises
For incentive stock options, exercising and holding can create an item that feeds into the alternative minimum tax, sometimes abbreviated AMT. The result can be a tax bill in a year when you sold nothing and received no cash from the shares. Whether it applies, and how large it might be, depends on the spread at exercise, your other income, and your filing status.
For nonqualified options, the issue is usually withholding and estimated payments. If the exercise creates compensation income after you have left, your former employer may withhold, or you may need to make payments yourself. A tax advisor can model the numbers for several scenarios, such as exercising part of the grant rather than all of it, so you can see how the tax and cash needs change.
Partial Exercise and Other Structures to Ask About
Many people assume the choice is all or nothing, but that is not always true. Some plans allow you to exercise only part of your vested options and let the rest lapse. Others offer extended exercise windows for departing employees, sometimes years long, and a few companies provide loan programs or financing options through third parties.
None of these is a recommendation. They are worth asking about because plan terms vary so much and because the answer can change what a reasonable conversation looks like. If an extended window exists, find out whether it changes the tax status of an incentive option. Extended windows can come with trade-offs, and the plan documents or an attorney can explain them.
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Valuation, Disclosure, and What You Are Entitled to See
To understand what you would be paying for, you need to know what the shares are worth. In a private company, that often means asking about the most recent independent valuation used to set exercise prices, usually called a 409A valuation. It is not the same as what an investor might pay in a financing round, and the gap between the two can be wide.
Ask what financial information the company will share with you as a former employee and as a shareholder if you exercise. Companies differ on what they provide, and your rights may depend on state law and on the terms of the plan. If the answer is vague, that vagueness is itself useful information for you and your advisors to weigh.
Timing With Your New Job and Your Tax Year
The date you leave and the date you exercise both affect which tax year the income falls into. Starting a new job with a different salary, or taking time between roles, can change your bracket and your cash position. Some people find that a gap in employment makes their income lower than usual, which may change the conversation with their tax advisor, while others begin a higher paying role that does the opposite.
Also consider how a new employer's equity grant fits alongside the old one. Holding shares from several companies concentrates your finances in a handful of outcomes that may move together. That is a topic for a financial advisor who looks at the whole picture, and who can explain how the pieces interact without pushing you toward a particular decision.
Questions to Bring to Your Advisors
A short list makes the first meeting more productive. Ask your equity administrator for a written statement of vested options, the exercise price, and the exact expiration date. Ask what payment methods the plan allows and whether partial exercise is permitted.
Ask your tax advisor whether your options are incentive or nonqualified, what the exercise would do to your taxes this year, and whether the alternative minimum tax could come into play. Ask an attorney whether any plan terms, such as a repurchase right or a transfer restriction, deserve a closer read before you commit money. Finally, ask a financial advisor how holding these shares would fit with your emergency savings, your other investments, and your plans for the next few years. Clear answers tend to show whether your plan is well defined or still taking shape.
Finding the Right Professional to Talk To
Equity compensation sits between tax, law, and financial planning, so most people end up consulting more than one professional. Capivise publishes a list of questions to ask an advisor that you can adapt, and its equity liquidity advisor page describes the kind of professional who works with people holding stock options, restricted stock, and similar compensation.
For people who would rather not build a candidate list alone, capivise.com matches individuals with vetted financial advisors who work on equity compensation, business sales, inheritances, and 1031 exchanges. You can also confirm any professional's background yourself using the SEC's adviser search or FINRA BrokerCheck, and Capivise explains its own advisor verification process for anyone who wants to compare.
A Closing Thought
Leaving a job is already a lot to handle, and a short exercise window can make an old stock option feel like a pop quiz. The good news is that most of the important questions are about documents, dates, and cash needs rather than about market predictions. People who read the plan early, ask for written answers, and involve the right professionals before the deadline usually feel more settled about whatever they decide.
