Incentive Stock Options – Part 3: Decision-Making

ISOs Decision-Making

By now, you’ve hopefully developed a baseline understanding of just what exactly incentive stock options even are and have a working sense of how taxes fit into the equation. Equipped with that knowledge, the final step in readying yourself to make the most of your equity is to put all the pieces together. In this post, we put rubber to the road and dissect many of the decisions you’ll likely face with ISOs!

When it comes to ISOs, here are the high-level decisions you’ll face…

  1. Evaluate if you even want to exercise at all
  2. Determine how much you’ll exercise
  3. Calculate the cost to exercise
  4. Plan for how you’ll cover the cost
  5. Develop a strategy for when to exercise
  6. Decide when the shares will be sold

And, of course, manage the tax consequences throughout. It amounts to quite a bit, so the best thing you can do to position yourself for success is to get ahead of it!

TO EXERCISE OR NOT TO EXERCISE?

Options are just that – options. You’re not required to do anything with them at all (though you often should!).

Evaluating whether or not to exercise is an investment decision above all else. So you have to first assess your personal comfort level with investment risk and understand how such risk will influence the rest of your financial picture. While ISOs have the potential to create real wealth, it’s also possible to lose money. Therefore, some initial questions you’ll need to answer first include:

How much do I believe in this company?

  • If you’re super confident in its future success, then maybe it’s worth investing your money.
  • If you’re doubtful, set some limits on what you put in, if anything at all.

How diversified is the rest of my investment portfolio?

  • When you exercise, you now own stock in your company. Owning too much of any single stock creates added risk – think, “don’t put all your eggs in one basket”. 
  • Would exercising mean that a majority of your net worth is now tied directly to the performance of your employer? If this is the case, tread carefully.
  • Once a holding of an individual stock starts to exceed 5% of your total liquid net worth, we want to be especially careful and really consider the impact on your goals given that stock’s potential performance.
  • On the other hand, if after exercising you’d still have a healthy amount of your net worth allocated to other investment accounts that are well-diversified to suit your goals and risk tolerance, then it becomes a less risky decision to own the shares in your company.

Is my company private or public?

  • This gets into how easily you’d be able to sell the shares after exercising.
  • If your company is still private, know that it may be difficult (or impossible) to sell the shares until there’s some type of liquidity event, such as an IPO or acquisition. This can add a level of risk to the decision.
  • If your employer is already public, or about to be, then selling will be far easier (though you may still need to be mindful of “blackout windows” during which you cannot sell). This can make exercising a little more manageable if you want to be able to quickly pivot away from holding the stock.

Can I afford the cost to exercise?

  • We’ll dive more into how you can pay for the exercise below, but there’s certainly a real cost involved. 
  • Ultimately, it’s important to balance this with everything else you have going on.

As we continue from here, we’re going to examine very specific scenarios at each of the following stages…

HOW MUCH TO EXERCISE

Exercise up to the AMT limit as a ceiling

If you’re looking to optimize ISOs in such a way that the only taxes owed are long-term capital gains (no AMT or ordinary income tax), then this is the way to go. 

The way it works… You’ll want to determine the available spread you could realize before tipping the scales into AMT territory. This will tell you how many options can be exercised without pushing you out of the standard tax system and then owing AMT. Staying within this limit means no taxes are owed in the year of exercise. For those who have a big pile of ISOs built up, it often means implementing this strategy over multiple years to exercise them all without ever triggering AMT.

Note: You would NOT want to do this if you have a large AMT credit, since it would diminish or prevent your ability to recoup that credit.

* A SPECIAL SECTION ON THE AMT CREDIT *

Hearing that you might owe more, or a different kind of tax can be anxiety-inducing. And it’s a valid response. The “standard” income tax system is unnecessarily complicated on its own. To learn there’s an additional tax system that often comes into the picture for those with ISOs is enough to make some people dizzy.

What is the AMT credit?

In reality, paying AMT isn’t always worth avoiding like the plague. That’s because you get a tax credit when AMT is paid. This credit is equal to the difference between the tax liability of the two systems. For example, if your AMT liability was $200,000 and your standard tax liability was $150,000… 

  • First of all, you’d pay AMT that year because it’s higher. 
  • Second, you’d get a credit of $50,000 ($200k – $150k).

Using the credit

This credit can then be used in future years, but only in years that your standard tax bill is higher (meaning you pay taxes under the regular system, not AMT). Additionally, the amount of credit you can use in those years is limited to the difference between the two tax liabilities. So let’s say you have the same $50,000 credit from above for a prior year and your current year’s tax situation looks as follows:

  • Standard tax liability: $175,000
  • AMT liability: $150,000

You’d pay the standard tax because it’s the higher amount, and you’d only be able to use $25,000 of the $50,000 credit for this year ($175k – $150k). The remaining $25,000 of unused credit carries forward to future years.

All this to say...

If you unexpectedly exercise ISOs to a point that forces you to pay AMT in a given year, all is not lost! Depending on the amount, it may be possible to “get it back”. Still, be mindful that if there’s a large enough bargain element, it could be quite a hurdle to cover the subsequent AMT bill that’s been created come April in the year following exercise – at least if you want to avoid selling the shares. Further, the process for recouping an AMT credit adds even more complexity that some may prefer to do without. There’s additional nuance involved that’s outside the scope of this post.

CALCULATING THE COST

This is straightforward! Simply multiply the exercise price (AKA strike price) by the number of options you plan to exercise.

Example...

  • # of Vested Options: 500
  • Strike Price: $4.50
  • Cost to Exercise 500 Options: 500 x $4.5 = $2,250

* this does not include potential AMT, which should be factored into the cost if applicable *

HOW YOU’LL COVER THE COST

All stock option plans allow you to exercise by paying for the options with your own cash. Some plans will also allow for what’s called a “cashless” exercise, meaning you don’t have to come up with the funds yourself.

So, if you have the choice to make, the question becomes… Exercise with cash or go cashless?

How a cash exercise works…

  • Simply come up with the cash (for example: take money from savings)
  • Once you exercise, it’s entirely up to you as far as what you do with the shares next
    • When you sell…
    • How many you sell…
    • How you cover the tax liability…

How a cashless exercise works…

  • First, you need to check the details of your company’s stock plan to confirm that this exercise method is allowed by your employer.
  • If it is, then you’ll need to select one of two routes for your cashless exercise:
  • Exercise and sell to cover
    • In this transaction, the desired number of options is exercised and, at the same time, enough shares are immediately sold so that just enough money is raised to cover the exercise cost (along with any fees and taxes).
    • You keep the leftover shares to then sell when you want down the road.
    • Put simply: exercise without bringing money to the table and walk away with shares in the company.
  • Exercise and sell all
    • Choosing this method means that your desired options are exercised and then ALL of the shares are simultaneously sold.
    • In doing so, a portion of the proceeds is used to cover the cost of the exercise, plus any fees and taxes. The rest is paid out to you.
    • Put simply: exercise without bringing money to the table and walk away with just cash.

So which one should you go with?

Consider a cash exercise if…

  • You have plenty of liquidity (easy access to cash) over and above your emergency fund + any short-term needs, and are ok with the increased concentration of your wealth into the company stock.
  • You want to maximize the number of shares you’re able to hold onto.
  • You want the most control of the tax consequences and are targeting a qualified disposition for as many shares as possible.

Consider a cashless exercise if…

  • You aren’t in a position to pull from savings or other resources to foot the bill.
  • You are ok with some (or all) of the shares being sold right away as a disqualified disposition.
  • You are ready to quickly capitalize on the value of the stock options

WHEN TO EXERCISE

There are a lot of alternatives when it comes to the timing of your exercise:

  • Earlier in the overall vesting schedule
  • Waiting until later on in the vesting schedule, or beyond
  • An “early exercise” before they even vest
  • Early within a calendar year
  • Later in the calendar year

Why consider exercising sooner in the grand scheme of your award vest? (not referring to an 83b election – just earlier rather than later)

  • Get a jump on the holding period requirement for the shares to be classified as “qualified” when eventually sold, earning long-term capital gains tax treatment on the full difference between the exercise price and FMV at sale.
  • Allow yourself to exercise more options, given the AMT threshold…
    • Earlier on in the lifecycle of your award grant and vest timeline, it’s more likely that the current FMV/409A of your company is lower, thus closer to whatever the exercise price of the options is (or in some cases, the same).
    • If the spread is smaller, you’ll be able to exercise more options without pushing into AMT territory compared to if the FMV/409A of the company balloons significantly.
    • In short: lower spread = lower AMT income realized
  • You’re confident in the future performance of the company and expect the share price to increase. Plus you’re ok with the risk that the price could also go down if the company takes a turn, leading to a loss on your investment.
  • You anticipate some type of liquidity event (IPO/acquisition) that would allow you to cash in on the shares in the future.

Why consider exercising later?

  • You’re not confident in the future trajectory of the companyand you’d prefer to see how the share price moves before putting up the money to exercise the options.
  • The options are currently “out of the money”… This means that the strike price is higher than the current FMV/409A. In other words, there’s no value to be gained. You’d pay more to exercise the options that you could get for selling the shares.
  • You don’t have the cash on hand to easily cover the cost and/or there’s no ability for a cashless exercise.

Ok, what if you are able to “early exercise” with an 83b election?

Some companies will give you the ability to exercise your options early – even before they vest. If this is the case, it could deliver a big tax win. 

The way it works… Instead of waiting a year+ to start exercising in many cases (based on the vesting schedule), you could choose to do so as early as being granted the options. Remember, the spread between the strike price and FMV at the time of exercise is what counts as income for calculating AMT. If this spread is very small, or even nonexistent due to the 409A being the same as the strike price early on – then it could translate to a large number of options exercised with little or no income under AMT.

This method would require coming up with the cash, as a cashless exercise isn’t a possibility at this point. So it might be a cost that’s not realistic or worthy to take on, depending on the strike price. It’s also an even earlier bet that your company will be successful and make the options worth something for you in the future, so there’s added risk involved.

Lastly, if you pursue this, you must file what’s called an “83b election” with the IRS within 30 days of the exercise.

Now, what about the timing of the exercise within the year – exercising early in the year vs. later in the year?

Exercise Later in the Year – Using the AMT Threshold as a Ceiling

If you are using the AMT threshold as a limit for how much you plan to exercise, as discussed earlier in this post, then it makes sense to wait until later in the calendar year. That’s because this approach requires a heavy level of tax projections. So it’s helpful to have the bulk of the data making up your full tax picture, which becomes clearer at the end of the year.

Exercise Early in the Year – To Maximize Choice

This technique only provides value if your employer is a publicly traded company.

Exercising early in the calendar year (no later than April) delivers some handy flexibility as you manage next steps by allowing you to:

  • Decide between holding onto the shares long enough to meet the criteria for a qualifying disposition (more than 1 year), or sell during that same calendar year to avoid AMT.
  • [Should you choose the first of the above two options] Have more time to plan for how you’ll cover the AMT owed, if any.

For example, if you exercise on February 1st of 2025, taxes are due in April of 2026 – a little over 14 months later. In this scenario…

  • You could easily meet the holding requirement for long-term capital gains treatment that comes with a qualifying disposition (by selling after February 1st, 2026). Selling the shares would also raise cash that could be used to pay any AMT owed.
  • On the other hand, if the share price drops during the same tax year to a point where there is no longer a capital gain, it very well may make sense to sell the shares as a disqualifying disposition. In this case, there would be no AMT owed, and there wouldn’t have been a benefit to holding for 1+ year if there was no capital gain to be realized.

What if you separate from your employer?

If your employment is terminated, an important clock begins ticking immediately: your vested ISOs will convert to nonqualified stock options within 90 days. NSOs are less beneficial from a tax standpoint since the spread at exercise is always taxed at ordinary income rates.

So if your goal is to exercise after separation and you want the tax benefits of incentive stock options, it will require you to act quickly. If, on the other hand, you’re good with the tax treatment of NSOs or simply don’t want to rush into an exercise, you may still have time – often up to 10 years. To be certain, it’s best to check with your employer to confirm the details of their “post termination exercise period” (PTEP) so you know how long you have before the options expire completely.

WHEN TO SELL

Hold onto the exercised stock long enough to meet the requirements for a qualifying disposition…

Holding the shares for at least 2 years from the grant date and at least 1 year from exercise allows you to take advantage of the kinder long-term capital gains tax rate when they’re sold (compared to your higher ordinary income tax rate).

* Keep in mind that this route requires you to factor in the potential AMT impact * 

This is worth considering if:

  • You are able to take on the added investment risk of a large position in your company’s stock.
  • The cash that could otherwise be generated from selling isn’t needed for any short-term goals.
  • You believe the stock price will increase with time (and are comfortable with the possibility of a decline in value).

You shouldn’t go for this if:

  • You are uncomfortable with increased investment risk. Accumulating a big position of any single stock carries heightened risk, and often more so if that stock is in a younger company.
  • The cash you could receive by selling will be instrumental in working toward an important goal (such as paying down high interest debt, funding a major purchase, etc.).
  • You doubt the future performance of the company.

Selling sooner, as a disqualifying disposition…

Sometimes, your decision is – at least partly – already made if you’ve executed a cashless exercise. Remember, if you sell to cover → a portion of the shares is immediately sold to cover taxes. Or, as part of a cashless exercise, you may elect to immediately sell all the shares in the same transaction.

Selling all the shares immediately might be necessary to help cover the cost of exercising and the taxes, but it can also be strategic if the proceeds will be put towards another meaningful financial goal. Additionally, this is a way to simply reduce the risk that comes with building up a large portion of your net worth in your employer, by then investing the proceeds in a diversified portfolio.

Finally, unloading the shares as a disqualifying disposition becomes the smart move if it’s done to avoid paying AMT on shares that no longer look like they’d yield any capital gains – like I shared above.

Here’s an important point with all this…

  • To some extent (*disclaimer to always check with your tax professional first*), it’s not necessarily worth getting all caught up in the mental tug-of-war over selling shares as a “qualified” or “disqualified” disposition.
  • Remember that there’s inherent risk involved in holding onto the shares for over a year with the hopes of paying less in taxes by way of long-term capital gains treatment. For young companies, much can happen in those 365+ days after exercising. If the price takes a hit, it very well could erase any potential tax benefit you would have otherwise received.
  • Money is money. 
    • If you’re prepared for the taxes involved, a disqualifying disposition can still be (and often is) an incredibly positive life-changing event.
      • It could be what allows you to… buy that dream home, take the trip you’ve been putting off for years, spend more time with family, and so on.
    • Don’t discount the value it delivers to your life just because it isn’t the most “optimal” tax scenario.

MAKE IT HAPPEN

Given all the nuance involved, we always recommend working closely with a financial and tax professional to carefully evaluate the most appropriate path forward with incentive stock options. In doing so, they’ll be able to help you:

  1. Know the purpose of your plan… How will this resource best support you in achieving your ideal life?
  2. Lay out all of the options (not the ISOs, but the scenarios) side-by-side.
  3. Understand all the possible implications… The tax impacts, investment risks/benefits, what you’re saying “yes” to and what that means you’d be saying “no” to, etc…
  4. Create an action plan and put it into motion.

Building this plan in advance helps to minimize the emotion attached to the process and increases your chances of successfully following through.

Incentive Stock Options – Part 2: Tax Planning

ISOs - Tax Planning

Once you have a firm grasp on the fundamentals of incentive stock options, it’s time to peel back the layers on their tax implications. While they can seem needlessly complex, rest assured that ISOs do have plenty of positive attributes when it comes to their relationship with taxes. So it pays to get a handle on it.

To tackle this, we’ll examine some very specific tax-related questions:

  • What unique tax advantages do ISOs have?
  • What is the Alternative Minimum Tax?
  • Why do I need to worry about AMT with ISOs?
  • What are the different tax scenarios I could face when selling exercised ISOs?
  • What types of taxes are owed?
  • What are the possible advantages of an early exercise (if available)?
  • How should you cover the tax liability associated with selling stock acquired through an ISO grant?
  • What ISO-specific tax documents and forms should you be on the lookout for?

And if you need a refresher on all the ISO terminology, be sure to visit the bottom of our Part 1 post for a list of must-know definitions!

What unique tax advantages do ISOs have?

The headline tax benefit of incentive stock options boils down to WHEN you pay taxes and the TYPE of taxes you’ll owe.

ISOs are not taxed at all when they’re granted or when they vest. The kicker is that – unless AMT is owed – there is also no tax liability created when you exercise either. What’s more, it’s possible in some scenarios that the entire financial benefit realized through an ISO exercise and subsequent sale is taxed at the friendlier capital gains tax rate (vs. ordinary income rate).

For comparison… In the case of their equity comp cousin – Restricted Stock Units (RSUs) – the value at the time of vest is immediately counted towards your ordinary income for that year. And for the more closely related sibling – non-qualified stock options (NSOs) – you should expect to pay ordinary income tax at exercise.

when do I pay taxes on ISOs

What is the Alternative Minimum Tax?

The Alternative Minimum Tax (AMT) is an entirely separate tax system and calculation that exists in addition to the “regular” one most of us are accustomed to. Technically, everyone should calculate both their regular tax and AMT liability each year – then pay whichever is higher. But for the vast majority of people, the “regular” tax amount is the bigger bill. 

One of the big differences between the two tax systems is that some of the credits and deductions people can take when calculating their regular tax don’t apply for AMT. A good example is the deduction for state and local taxes – it can’t be taken at all under AMT. This gets at why the system was created in the first place, as a way to try and make sure some wealthier individuals weren’t benefiting too much from credits and deductions in the regular tax framework.

The alternative minimum tax has different tax rates and standard deductions. On top of federal AMT, some states have their own version. Those lucky states are California, Colorado, Connecticut, Iowa, and Minnesota.

Why do I need to worry about AMT with ISOs?

The spread (difference between the strike price and FMV on the date of exercise) is not taxable under the normal tax system. It’s not considered income on Form 1040. Unfortunately, the spread is one of those pesky items considered income for AMT purposes and is thus factored in on Form 6251, which is used to calculate an individual’s Alternative Minimum Tax liability.

If you exercise ISOs and do NOT sell them in the same tax year, you need to check to see if this pushes you into AMT territory. If, however, you do sell the shares in the same year as exercise, the spread will not need to be added into the AMT calculation. 

Bear in mind that just because you have an ISO spread for the year, it doesn’t mean you’ll owe AMT. It’s only if it pushes your AMT liability to a higher amount than your regular tax liability comes out to be.

What are the different tax scenarios I could face when selling exercised ISOs?

Moving on from exercising incentive stock options to selling the shares here… Again, this might be the first time many recipients of ISOs have to worry about paying any taxes.

It’s important to know that there is no default withholding when you sell the shares you received from an exercise. Therefore, it’s on you (plus your advisor and CPA, hopefully!) to proactively assess taxes that are due and how/when to pay them. The first step is to determine whether the sale of the ISO shares is considered a qualifying disposition or a disqualifying disposition.

Qualifying Disposition

The sale is a qualifying disposition if the stock was held for at least 1 year after exercise AND at least 2 years after the grant date. In this case, ALL proceeds are taxed at the more generous long-term capital gains rate. Your basis in the sale is whatever the strike price was. So your spread PLUS any increase in value after exercise get that preferential tax treatment.

Of course, the stock price could decline after exercise. If this were to occur, then you would still pay long-term capital gains tax on the difference between the FMV on the date of sale and the strike price.

Disqualifying Disposition

The sale is classified as a disqualifying disposition if it does not meet both of the criteria mentioned above. In this event, the tax situation could play out a couple of different ways…

No matter what, the spread is taxed at ordinary income tax rates in a disqualifying disposition. If the holding period of the stock is less than one year after exercise, any gain is also taxed at your ordinary income tax rate (short-term capital gain). In less common situations, the holding period could be more than 1 year from exercise, but less than 2 years from grant – in which case the spread is still taxed at ordinary income tax rates, but any gains would get long-term capital gains treatment.

Will I owe Social Security and Medicare taxes when selling ISOs?

Social Security and Medicare (FICA) taxes are NOT owed on ISOs when they’re sold, regardless of whether it’s a qualifying or disqualifying disposition. So you only have to worry about federal and state taxes (if you live in a state with income tax).

As described above, you may encounter ordinary income tax AND/OR capital gains taxes at the point of sale.

What are the pros/cons of an early exercise (if available)?

If your employer allows for early exercise (not all do), it is worth evaluating whether it makes sense in your situation! The ability to exercise the options before they even vest comes with potential advantages, but you should be aware of the possible downsides too.

The main reasons to consider an early exercise

  • You may be buying the stock when the strike price is the same as the FMV or the difference is very slim. This means that the income included in your AMT calculation is $0 or close to it – potentially helping to reduce or avoid any tax impact at exercise.
  • Early exercise starts the clock on your holding period, speeding up the time it takes to achieve a qualifying disposition and for applying long-term capital gains tax to the full gain. 
  • For those at a company eligible to be classified as a qualified small business, it starts the clock on their QSBS holding period – which can lead to some rather dramatic exclusions on capital gains.
  • You’re especially confident that the company will perform well.

The main pitfalls of an early exercise

  • It’s a very early bet and the company might not make it. 
  • It will likely be hard to dispose of your shares for some time. The company is private and it’s hard to know when a liquidity event will come around.
  • It requires a fully cash purchase, so you need to have the savings available to part with (unless you finance it).
  • Early exercise does NOT change the vesting schedule of the ISOs. So you still have to stick around to collect them. If you were to end up leaving the company before all the shares vest, the company could buy back any unvested stock that you exercised early.

Remember from Part 1 that an early exercise requires filing an 83(b) election within 30 days of the exercise.

How should you cover the tax liability associated with selling stock acquired through an ISO grant?

If ISOs work out and make you money, you’re going to have to pay taxes. But remember that there’s no default tax withholding when you sell the shares, and failing to pay enough taxes during the year could result in a penalty from the IRS. They like getting what they’re due when it’s due. To know what “enough” is, you need to calculate what’s called your safe harbor threshold, which can be figured one of two ways:

  • 100% of last year’s total tax bill (or 110% for those with an AGI over $150k)
  • 90% of the eventual tax bill owed for the current year (more difficult to know)

If any tax liability generated from selling ISO shares pushes your total projected tax for the year over the safe harbor amount, you need a plan to pay the tax on that income as it’s received. We recommend either paying estimated quarterly taxes or increasing the withholding on your regular paycheck by updating your W-4 to cover the tax gap.

What ISO-specific tax documents and forms should you be on the lookout for?

Come tax time, your life will be much easier if you know what paperwork to gather. There are also a couple pages in the tax return that you’ll need to be sure to complete if you sold company stock.

What you’ll need to help you prepare your taxes

  • W-2
    • This one shouldn’t be anything new. Just know that if you had a disqualifying disposition of ISOs, the income generated from that transaction will be included in the amount in box 1.
    • This is sent to you by your employer.
  • Form 3921
    • This form contains information for any ISO exercise.
    • It’s provided by your employer (or possibly a broker, or 3rd party).
  • Form 1099-B
    • This includes details about any sale of stock and the associated capital gains/losses.
    • You’ll get this form from the custodian that holds the account the stock was in.

Forms to fill out on your tax return

  • Form 1040
    • This should look familiar. It’s the first page of the return and reports your income for the year.
  • Schedule D
    • This page reports the total gains and/or losses from the sale of stock during the year.
  • Form 8949
    • This is used to list out the specifics of each stock sale.

Wrapping It Up

Don’t let the tax intricacies of ISOs keep you from taking advantage of them in the most optimal way! There is potentially a lot to be gained, but it starts with taking the time to understand all the rules. Lastly, stay tuned for the final post in this 3-part ISO series, which will revolve around decision-making strategies and tie it all together.

Still have questions? Keep up with our latest insights by subscribing to our monthly newsletter. Or reach out!

Fiduciary, fee-only, Certified Financial Planner, Eddy Jurgielewicz

Eddy Jurgielewicz, CFP® is a Partner and Lead Financial Planner at Upbeat Wealth, a fee-only firm based in New Orleans and serving clients virtually across the country. He specializes in providing straightforward financial guidance to ambitious young families as they navigate life’s many milestones.

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Disclaimer: All content in this article is provided for educational, general information, and illustration purposes only. None of the information is intended as investment, tax, accounting, or legal advice. Nor is it a recommendation for purchase or sale of any security, or investment advisory services. We encourage you to consult with a financial planner, accountant, and/or legal professional for advice on your specific situation. Read our full disclaimer here.