--- title: How Are Stock Options Taxed? A Complete Guide to ISOs, NSOs, and RSUs description: Learn how ISOs, NSOs, and RSUs are taxed at exercise and sale. Our complete guide for employees and founders covers AMT, capital gains, and key tax planning strategies. image: https://blog.cmp.cpa/hubfs/How%20Are%20Stock%20Options%20Taxed%20A%20Complete%20Guide%20to%20ISOs%2c%20NSOs%2c%20and%20RSUs_2.jpg --- - [Contact Us](https://cmp.cpa/contact-us/) - [Bill Pay](https://cmp.cpa/my-account/) - [File Drop-Off](https://app2.gettruss.io/firm_drop_offs/new?auth_token=MTQyNyZ6OW1HeHh4NWhRbXNIRDF6RmU3OVZXRGJRUkV2aU5ZSGN0OXprNUtH&firm_user_id=3261) - [Client Portal](https://app2.gettruss.io/client_portals/sign_in?client_portal_name=CMP-CPA) [![CMP](https://blog.cmp.cpa/hubfs/Cookmartin-Dec2015/CMP-Logo.png "Cook Martin Poulson, P.C.")](https://cmp.cpa/) - [Home](https://cmp.cpa/) - [About](https://cmp.cpa/company/) - [Meet the Team](https://cmp.cpa/company/meet-the-team/) - [Community](https://cmp.cpa/company/community/) - [CMP Celebrates 40-Years In Business](https://cmp.cpa/company/news/) - [Careers](https://cmp.cpa/company/careers/) - [Reviews & Testimonials](https://cmp.cpa/reviews/) - [Services](https://cmp.cpa/services/) - [Tax Preparation](https://cmp.cpa/services/income-tax-services/) - [Tax Planning](https://cmp.cpa/services/tax-planning/) - [Financial Audits & Reviews](https://cmp.cpa/services/financial-statements-audits-and-reviews/) - [Business Valuation](https://cmp.cpa/services/business-valuations/) - [Estate and Succession Planning](https://cmp.cpa/services/estate-succession-planning/) - [ERISA / 401K Audits](https://cmp.cpa/services/erisa-audits/) - [Crypto Tax Accountant](https://cmp.cpa/services/crypto-tax/) - [Federal R&D Tax Credit](https://cmp.cpa/services/rd-tax-credit-services/) - [Utah R&D Tax Credit](https://cmp.cpa/services/utah-rd-tax-credit-services/) - [Bookkeeping and Payroll](https://cmp.cpa/services/bookkeeping-and-payroll-services/) - [Accounting Software Solutions & Consulting](https://cmp.cpa/services/accounting-software-solutions/) - [Retirement Plan Services and TPA](https://cmp.cpa/services/retirement-plan-tpa-services/) - [Cost Segregation Studies](https://cmp.cpa/services/cost-segregation/) - [Outsourced CFO](https://cmp.cpa/services/cfo-outsourced-solutions/) - [Industries](https://cmp.cpa/industries/) - [Farm and Ranch](https://cmp.cpa/industries/farm-ranch-accountant-service/) - [Real Estate and Construction](https://cmp.cpa/industries/real-estate-construction/) - [Retail and Wholesale](https://cmp.cpa/industries/wholesale-and-retail-accounting-services/) - [Nonprofit](https://cmp.cpa/industries/non-profits/) - [Manufacturing](https://cmp.cpa/industries/manufacturing/) - [Healthcare](https://cmp.cpa/industries/healthcare/) - [Technology](https://cmp.cpa/industries/software-technology/) - [Internet Marketing/YouTube](https://cmp.cpa/industries/internet-marketing-youtube/) - [Resources](https://cmp.cpa/resources/) - [Videos](https://cmp.cpa/videos/) - [Tools](https://cmp.cpa/resources/#tools) - [Important Documents](https://cmp.cpa/resources/#import-doc) - [Important Links](https://cmp.cpa/resources/#import-link) - [FAQ](https://cmp.cpa/resources/faqs/) - [Problems We Solve](https://cmp.cpa/problems-we-solve/) - [Blog](https://blog.cmp.cpa/)   Wasatch Front  [801-467-4450](tel:8014674450) |  Cache Valley [435-750-5566](tel:4357505566)[tel:8017428119](tel:8017428119) | Southern Utah  [435-269-4540](tel:4352694540) ![Salt-Lake-City-Utah.jpg](https://blog.cmp.cpa/hs-fs/hubfs/Cookmartin-Dec2015/Salt-Lake-City-Utah.jpg?width=1106&name=Salt-Lake-City-Utah.jpg "Salt-Lake-City-Utah.jpg") # How Are Stock Options Taxed? A Complete Guide to ISOs, NSOs, and RSUs Updated November 04, 2026 By [Tyler Robinson](https://blog.cmp.cpa/author/tyler-robinson) How Are Stock Options Taxed? A Complete Guide to ISOs, NSOs, and RSUs 18:16 ## Key Takeaways - Stock options create taxes at different stages. Ordinary income applies when you exercise or receive certain awards, and capital gains apply when you sell shares. - Incentive Stock Options can offer better tax treatment, but the spread at exercise may trigger the Alternative Minimum Tax, and 2026 rule changes bring AMT into play for more high earners. - Non-Qualified Stock Options create ordinary income at exercise, which often leads to a higher immediate tax bill. - Restricted Stock Units are taxed as ordinary income at vesting, and later gains depend on how long you hold the shares. - Your tax outcome depends on timing. Planning exercises, watching holding periods, adjusting your cost basis, and reviewing AMT exposure help you avoid costly surprises. Stock options are a major part of compensation in [startups and tech](https://cmp.cpa/industries/software-technology/), yet many employees still struggle to understand stock option taxation. The rules for how stock options and other equity awards are taxed—including Incentive Stock Options (ISOs), Non-Qualified Stock Options (NSOs), and Restricted Stock Units (RSUs)—can affect everything from ordinary income to capital gains and the [Alternative Minimum Tax (AMT)](https://blog.cmp.cpa/alternate-minimum-tax-credit). This often leaves people unsure about the best time to exercise or sell. We see these challenges often when working with employees and founders who want clear guidance before making a financial move. A common question we hear is: ## How Are Stock Options Taxed? Complete Guide to ISOs, NSOs, RSUs & Tax Planning. Stock options are taxed based on the type you receive and when you exercise or sell. ISOs can trigger AMT at exercise. NSOs create ordinary income upon exercise. RSUs are taxed as regular income when they vest. Your final tax result depends on fair market value, holding periods, and whether your gains qualify for [capital gains tax rates](https://blog.cmp.cpa/capital-gains-tax-utah). At [CMP](https://cmp.cpa/), we help employees and founders with [income tax planning](https://cmp.cpa/services/tax-planning/) and business consulting. We offer other services to help them manage the financial effects of stock options. Our goal is to give clients clear steps to follow so they can avoid surprises and make informed decisions. This guide explains how ISOs, NSOs, and RSUs are taxed. It also shows what happens at each stage of the equity process and the 2026 tax amounts that matter most. You will learn how to plan ahead to avoid surprises and make smart financial decisions. ![How Are Stock Options Taxed? A Complete Guide to ISOs, NSOs, and RSUs](https://blog.cmp.cpa/hs-fs/hubfs/How%20Are%20Stock%20Options%20Taxed%20A%20Complete%20Guide%20to%20ISOs%2c%20NSOs%2c%20and%20RSUs.jpg?width=2000&height=1000&name=How%20Are%20Stock%20Options%20Taxed%20A%20Complete%20Guide%20to%20ISOs%2c%20NSOs%2c%20and%20RSUs.jpg) ## Understanding Equity Compensation Equity compensation gives you a stake in the company you work for. Instead of paying everything in cash, your employer may offer stock options, RSUs, or other shares that can grow in value over time. Companies use equity to attract talent, reward performance, and keep employees invested in the company’s success. The most common equity types include Incentive Stock Options (ISOs), Non-Qualified Stock Options (NSOs), Restricted Stock Units (RSUs), and Employee Stock Purchase Plans (ESPPs). Each one works differently and follows its own tax rules. The next sections break down how each type is taxed so you can plan with more confidence. ## Key Terms to Know Before We Discuss Taxes Before we look at how stock options are taxed, it helps to understand a few basic terms. These dates and values shape when tax applies and how much you might owe. - Grant date is the day your company awards you the stock option or RSU. - Vesting date is the day you earn the right to exercise the option or receive the shares. - Exercise date is the day you buy the shares tied to your stock option. - Sale date is the day you sell your shares to someone else. - Strike price is the fixed price you pay per share when you exercise an option. - Fair Market Value, or FMV, is the price your shares are worth on a specific date. - Cost basis is what the IRS treats as your investment in the shares, including any amount already taxed as income. Your gain or loss at sale is measured from this number. Taxable events can happen at exercise, vesting, and sale, depending on the type of equity you hold. These terms will guide the rest of the discussion and help you see where taxes come into play. ## Types of Stock Options and Equity Awards Companies offer equity in several ways, and each type works differently. - **Incentive Stock Options (ISOs)**: For employees only. They can offer better tax treatment if you meet the required holding periods. - **Non-Qualified Stock Options (NSOs)**: More common and easier to grant. The tax bill usually appears at exercise. - **Restricted Stock Units (RSUs)**: Not technically stock options. You receive shares at vesting, and the value is taxed as ordinary income. - **Employee Stock Purchase Plans (ESPPs)**: Let you buy company stock at a discount through payroll deductions. Holding periods affect how the gain is taxed. - **Phantom Stock and Stock Appreciation Rights (SARs)**: Pay you based on company value or growth, usually in cash. The payout is taxed as ordinary income. Each award leads to different tax results. The next sections break down how these taxes work. ## How Are Stock Options Taxed? Stock options and other equity awards create tax obligations as you move through different stages of your equity timeline. Each point in the process plays a role in how much tax you owe and when you owe it. Most awards follow three main stages: - **Grant:** The day your company gives you the award. There is usually no tax here, but it starts the clock on your equity. - **Exercise:** The moment you buy the shares tied to an option. This is often the first time tax shows up, especially with NSOs. For RSUs, the comparable event is vesting. - **Sale:** When you sell your shares. Any gain or loss is measured here. Across these stages, two types of tax rates matter most: - **Ordinary income tax:** Applies when the IRS treats part of your equity as regular compensation. - **Capital gains tax:** Applies when you sell shares for more than your cost basis. The timing of each step determines which tax rate applies. Your employer reports NSO exercise income and RSU vesting income on your [Form W-2](https://www.irs.gov/forms-pubs/about-form-w-2). ISO exercises are reported on [Form 3921](https://www.irs.gov/pub/irs-pdf/f3921.pdf) so you can track your cost basis and potential AMT exposure, and ESPP purchases are reported on Form 3922. When you sell, your broker (not your employer) issues [Form 1099-B](https://www.irs.gov/forms-pubs/about-form-1099-b). Those sales are then itemized on Form 8949. If you also trade crypto, see our guide on [how to fill out Form 8949 for cryptocurrency](https://blog.cmp.cpa/how-to-fill-form-8949). ### Watch Out for Double Taxation The cost basis your broker reports on Form 1099-B for NSO, RSU, and ESPP shares often leaves out the income you already paid tax on through your W-2. If you don’t adjust your basis on Form 8949, you can end up paying tax on the same income twice. This is one of the most common mistakes we see. ### Taxation at the Time of Exercise The exercise step is often the first point where taxes show up for stock options. Here is how each equity type works at exercise. | **Equity Type** | **Tax on Exercise** | **How it Works** | | --- | --- | --- | | **NSOs** | Taxed as ordinary income | The IRS taxes the difference between the fair market value and the strike price on the day you exercise. | | **ISOs** | No regular tax at exercise | The spread between fair market value and strike price counts as income for AMT purposes. | | **RSUs** | No exercise event | RSUs turn into shares at vesting, so tax applies at vesting, not exercise. | #### Example If your strike price is $5 and the fair market value at exercise is $15, the $10 spread is ordinary income for NSOs. For ISOs, this same $10 spread isn’t regular income, but it is counted as income for AMT purposes. ### Taxation at the Time of Sale Taxes also come into play when you sell your shares. If the stock has increased in value above your cost basis, that gain is taxed as a capital gain. The rate depends on how long you held the shares. - **Short-term capital gains** apply if you hold the shares for one year or less. - **Long-term capital gains** apply if you hold the shares for more than one year. The holding period begins the day after the exercise date for stock options and the day after the vesting date for RSUs. Once you sell, the gain or loss is based on the difference between the sale price and your cost basis. This timing is a key part of how much tax you pay. ## Incentive Stock Options (ISOs): How They Are Taxed Incentive Stock Options are a type of stock option that companies offer only to employees. They can provide [tax benefits](https://blog.cmp.cpa/tax-benefits-family-employees), but the rules are strict, and the timing of each step matters. ### How ISOs Work at Exercise - You don’t pay ordinary income tax when you exercise ISOs. - The spread between the fair market value and the strike price counts as income for the Alternative Minimum Tax if you still hold the shares at year-end. - This spread is called the AMT adjustment, and it can increase your AMT exposure for the year. - If you sell the shares in the same calendar year you exercise, the AMT adjustment generally goes away, and the sale is taxed as a disqualifying disposition. ### How ISOs Work at Sale Your tax result depends on how long you hold the shares after exercise and how long it has been since the grant date. - **Qualifying disposition**: You sell more than two years after the grant date and more than one year after the exercise date. Your entire gain above the strike price is taxed as long-term capital gain. - **Disqualifying disposition**: You sell the shares before meeting those holding periods. The ordinary income portion is the lesser of the spread at exercise or your actual gain on the sale. Any remaining gain is capital gain. ### The $100,000 ISO Rule The IRS limits the value of ISOs that can become exercisable for the first time in a single year to $100,000, based on the fair market value on the grant date. Any amount above that limit is treated as NSOs for tax purposes. This limit is not adjusted for inflation, so it is still $100,000 in 2026. ### When ISOs Become NSOs ISOs can lose their special status. This happens when grants exceed the $100,000 limit, when you exercise more than three months after leaving the company, or when the company modifies the option in certain ways. #### Example Say you receive 1,000 ISOs with a strike price of $10. When you exercise, the fair market value is $25, which creates a $15 spread per share. You don’t pay regular income tax on exercise, but the $15,000 spread counts toward AMT. If you hold the shares long enough to meet the qualifying periods, your entire gain on sale is taxed as long-term capital gain. If you sell earlier, part or all of that gain is treated as ordinary income. ## Non-Qualified Stock Options (NSOs): How They Are Taxed NSOs are the most common type of stock option because companies can grant them to employees, consultants, and directors. The tax rules are straightforward, and most of the tax impact shows up at exercise. ### NSO Tax Rules at Exercise - The spread between the fair market value and the strike price is taxed as ordinary income. - For employees, this income is subject to withholding for federal tax, state tax, Social Security, and Medicare, and it appears on your Form W-2. - For consultants and non-employee directors, there is no withholding. The income is generally reported on Form 1099-NEC and may be subject to self-employment tax, so plan for estimated tax payments. ### NSO Tax Rules at Sale - Any gain after exercise is taxed as capital gains. - The rate depends on how long you hold the shares before selling. - Holding the shares for more than one year results in long-term capital gains rates. - Selling within one year creates short-term capital gains, which are taxed at ordinary income rates. #### Example You receive 1,000 NSOs with a strike price of $5. You exercise when the fair market value is $15, creating a $10 spread per share. That spread becomes $10,000 of ordinary income, and your employer withholds taxes on that amount. Your cost basis is now $15 per share. If you later sell the shares for $20, the additional $5 gain per share is a capital gain. This creates a $5,000 capital gain. Compared to ISOs, NSOs create a larger immediate tax bill because the spread is [taxed as regular income](https://blog.cmp.cpa/types-of-income) at exercise. ## Restricted Stock Units (RSUs): How They Are Taxed RSUs are different from stock options because you don’t choose when to buy shares. The company gives you shares as they vest, and the value at vesting becomes [taxable income](https://blog.cmp.cpa/reduce-taxable-income-high-earners). ### RSU Tax Rules at Vesting - The fair market value of the shares on the vesting date is taxed as ordinary income. - Your employer usually withholds federal tax, state tax, Social Security, and Medicare. - Federal withholding is often a flat 22% (37% on supplemental wages over $1 million in a year). If your actual tax rate is higher, you may owe more when you file. - This income shows up on your Form W-2. - The 83(b) election is not available for RSUs. ### RSU Tax Rules at Sale - Your cost basis is the value that was taxed at vesting. Any gain after vesting is taxed as capital gains. - Holding the shares for more than one year creates long-term capital gains. - Selling within one year creates short-term capital gains. ### Common RSU Strategies - **Sell to cover**: You sell enough shares at vesting to cover the tax withholding. - **Immediate sale**: You sell all shares at vesting to avoid market risk. Because your basis equals the vesting value, there is usually little or no additional tax. - **Hold and sell later**: You keep the shares for potential long-term gains. #### Example Five hundred RSUs vest when the share price is $50. The $25,000 value is taxed as ordinary income at vesting. If you keep the shares and sell them more than a year later when the price is $60, the extra $5,000 becomes a long-term capital gain. RSUs are simple, but the tax hit at vesting often surprises employees who weren’t expecting it. ## Other Equity Compensation Plans Some companies offer other equity-style plans, but they are less common. - **Employee Stock Purchase Plans (ESPPs)** let you buy company stock at a discount through payroll deductions. A qualifying sale requires holding the shares more than two years from the offering date and more than one year from the purchase date. Even then, a portion of the gain tied to the discount is ordinary income, and the rest is long-term capital gain. Selling early makes the full spread between the purchase price and the fair market value on the purchase date ordinary income. - **Phantom Stock and Stock Appreciation Rights (SARs)** pay you based on the company’s value or growth. Most pay in cash, though some SARs are settled in shares. The payout is taxed as ordinary income. These plans work differently from stock options and Restricted Stock Units, but the same idea applies. Taxes depend on when you receive value and when you sell or receive cash. ## How Taxes on Stock Options Are Classified: Ordinary Income vs. Capital Gains The tax you pay depends on how you receive the income and how long you hold the shares. This matters because ordinary income tax rates are usually higher than capital gains rates. ### Ordinary Income Tax Ordinary income tax applies when the IRS treats part of your equity as regular pay. This includes: - The spread at exercise for NSOs - The value of RSUs at vesting - The ordinary income portion of a disqualifying ISO or ESPP sale This income shows up on your Form W-2 if you’re an employee. For 2026, the top federal rate of 37% applies to taxable income above $640,600 for single filers and $768,700 for married couples filing jointly. Employees also pay Social Security tax of 6.2% on wages up to $184,500, Medicare tax of 1.45% on all wages, and an additional 0.9% Medicare tax on wages above $200,000 ($250,000 for married couples filing jointly). ### Capital Gains Tax Capital gains tax applies when you sell stock you hold as an investment. Your gain is the difference between your sale price and your cost basis. - Holding shares for one year or less creates short-term capital gains, which are taxed at ordinary income rates. - Holding shares for more than one year creates long-term capital gains, taxed at 0%, 15%, or 20% depending on your taxable income. | **2026 Long-Term Rate** | **Single Filers** | **Married Filing Jointly** | | --- | --- | --- | | **0%** | Up to $49,450 | Up to $98,900 | | **15%** | $49,451 to $545,500 | $98,901 to $613,700 | | **20%** | Over $545,500 | Over $613,700 | Higher earners may also owe the 3.8% Net Investment Income Tax on capital gains when modified adjusted gross income exceeds $200,000 for single filers or $250,000 for married couples filing jointly. These thresholds are not adjusted for inflation. #### Example If you exercise an option at $10 and later sell at $18, the $8 gain is taxed in one of two ways. Selling within one year creates a short-term gain taxed like regular income. Selling after more than one year creates a long-term gain taxed at a lower rate. ![Cover of the CMP guide: 7 (Bonus) Ways to Reduce Taxable Income as a High Earner](https://blog.cmp.cpa/hs-fs/hubfs/Lead_Magnets/card-thumb-7-bonus-ways-high-earner.png?width=150&name=card-thumb-7-bonus-ways-high-earner.png) Free guide · Updated for 2026 Big year from an exercise or vesting event? NSO spreads and RSU vesting can push your income well above normal. Our guide covers seven ways high earners cut taxable income, updated for the 2026 rules. - Deferring compensation out of a peak-income year - Loss harvesting against gains, and the carry-forward rules - Bunching charitable gifts to clear the standard deduction - 529 superfunding: five years of gifts in one - 1031 exchanges for appreciated property [Get the Free Guide](https://info.cmp.cpa/reduce-taxes-high-income?utm_source=blog&utm_medium=inline_cta&utm_campaign=stock-options-tax-guide&utm_content=high-earner-guide-mid) PDF · seven pages · no cost ## The Alternative Minimum Tax (AMT): How It Can Impact ISO Holders The Alternative Minimum Tax is a separate tax calculation that ensures certain taxpayers pay a minimum amount of tax. It matters for employees who exercise Incentive Stock Options. ### Why AMT Matters for ISOs When you exercise ISOs and hold the shares past year-end, the spread between the fair market value and the strike price is treated as AMT income. If the spread is large, exercising many ISOs at once can push this amount high enough to trigger AMT. ### How AMT Can Affect an ISO Exercise If your AMT calculation is higher than your regular tax, you pay the difference as AMT on top of your regular tax for that year. This can surprise employees who weren’t expecting a tax bill at exercise, especially when they haven’t sold their shares. ### What Changed for 2026 The One Big Beautiful Bill Act made the higher AMT exemption amounts permanent, but it also lowered the income levels where the exemption starts to phase out and doubled the phase-out rate from 25% to 50%. As a result, more high earners exercising ISOs may face AMT starting in 2026. | **2026 AMT Amount** | **Single / Head of Household** | **Married Filing Jointly** | | --- | --- | --- | | **Exemption** | $90,100 | $140,200 | | **Exemption phase-out begins** | $500,000 | $1,000,000 | | **Phase-out rate** | 50% | 50% | | **28% AMT rate begins** | $244,500 | $244,500 | For 2027, the AMT exemption is $93,000 for single filers and $144,700 for married couples filing jointly. It begins to phase out at $515,950 and $1,031,900. ### The AMT Credit AMT paid because of an ISO exercise usually isn’t lost for good. It generally creates a minimum tax credit that can reduce your regular tax in future years, often in the year you sell the shares. Tracking this credit is important, and it is easy to overlook. ### Managing AMT Exposure Many ISO holders exercise only enough shares each year to stay just below the point where AMT begins, often called the AMT crossover point. A tax projection can show how many shares you can exercise before triggering AMT. ## Qualified Small Business Stock (QSBS): An Opportunity for Startup Employees If you work for a startup structured as a C corporation, the stock you receive from exercising options may qualify as Qualified Small Business Stock under Section 1202. QSBS can let you exclude some or all of your gain from federal tax when you sell. For stock issued after July 4, 2025, the One Big Beautiful Bill Act expanded these benefits: - 50% of the gain can be excluded after holding the stock for three years, 75% after four years, and 100% after five years. - The maximum exclusion is the greater of $15 million or 10 times your basis in the stock. - The company’s gross assets can be up to $75 million when the stock is issued. For stock acquired by exercising an option, the holding period starts at exercise, not at grant. Stock issued before July 5, 2025, follows the older rules, which generally require a five-year hold for the full exclusion, capped at $10 million. ## Strategic Tax Planning for Stock Options Good [tax planning](https://blog.cmp.cpa/year-end-tax-planning/) can lower your tax bill and help you avoid surprises. Focus on these steps: - **Time your exercises**. Exercising in a lower-income year can reduce taxes for NSOs and help manage AMT exposure for ISOs. - **Consider an 83(b) election when it applies**. If you receive restricted stock or early-exercise unvested options, this lets you pay tax now based on today’s value instead of at vesting. You must file it within 30 days, with no extensions. It can reduce taxes if the stock grows, but it carries risk if the price drops. It does not apply to RSUs. - **Check your withholding**. Flat withholding on NSO and RSU income is often too low for higher earners. Make estimated payments or adjust withholding to avoid an underpayment penalty. - **Adjust your cost basis**. Make sure the basis on your return includes income already reported on your W-2 so you aren’t taxed twice. - **Watch your concentration and cash needs**. Avoid holding too much company stock and plan for future tax payments. - **Talk with a CPA before exercising**. A tax projection shows how much you may owe and helps you decide how many shares to exercise or sell. ## Utah-Specific Tax Considerations for Stock Options Utah follows federal rules for recognizing income from stock options and other equity awards, but there are a few key points to know for state taxes. ### Flat State Income Tax Utah taxes income at a flat 4.45 percent rate. This applies to the spread from NSOs at exercise, the value of RSUs at vesting, and any income reported on your Form W-2. Utah’s taxpayer tax credit phases out as income rises, so your effective state rate on a large exercise or vesting event can be slightly higher. ### Capital Gains Treated as Ordinary Income Utah does not offer a lower rate for long-term capital gains. All gains are taxed at the same flat state income rate. ### No State AMT Utah does not have its own Alternative Minimum Tax. Exercising ISOs may create federal AMT, but it does not create additional Utah tax at exercise. ### Withholding and Reporting Employers withhold Utah income tax on NSO exercises and RSU vesting the same way they withhold tax on regular wages. Stock sales flow through to your Utah return from your federal return. ### Practical Impact Holding shares longer can reduce federal taxes, but it does not reduce Utah taxes. Include Utah’s flat rate in your planning if you expect a large exercise or vesting event. ## Common Questions About Stock Option Taxes Here are answers to some of the questions employees ask most often. ### When do I pay taxes on stock options, at vesting or sale? It depends on the award. RSUs create tax at vesting. NSOs create tax at exercise. ISOs create tax at exercise only if AMT applies, and when you sell. All awards can create capital gains when you sell. ### Can NSOs be converted to ISOs? No. An award is classified at the time it’s granted. If it doesn’t meet the ISO rules, it will always be treated as an NSO. The reverse can happen, though: ISOs are treated as NSOs if they exceed the $100,000 limit, are exercised more than three months after you leave the company, or are modified in certain ways. ### What is the 83(b) election? It lets you pay tax when you receive restricted stock or exercise early-exercisable options, rather than waiting until they vest. It must be filed within 30 days. It can reduce taxes if the stock grows, but there is no refund if the value drops. It is not available for RSUs. ### How can I manage taxes on RSUs? RSU income is taxed at vesting no matter what you do with the shares. Many people sell some or all shares at vesting to cover taxes and limit risk. You get long-term capital gains on any further growth only if you hold the shares for more than one year after vesting. Because withholding is often too low, check whether you need to make estimated payments. ### What happens if I don’t exercise my options? They expire with no value. To avoid losing potential income, track your vesting and expiration dates. If you leave the company, you often have only about 90 days to exercise, and ISOs exercised more than three months after you leave are taxed as NSOs. ## Conclusion Stock options can be a valuable part of your compensation, but the tax rules are easy to misunderstand, and the 2026 AMT changes make planning even more important. When you know how ISOs, NSOs, and RSUs are taxed, you can plan better, avoid surprises, and make decisions that support your long-term goals. At CMP, we help employees and founders work through these questions and choose the right timing for exercises and sales. Our team is here to guide you through the tax implications so you can move forward with clarity and confidence. Before you exercise or sell your shares, talk with a [qualified tax professional](https://cmp.cpa/). A short conversation can help you time your decisions, reduce your tax burden, and protect your financial future. Ready to optimize your stock option strategy? CMP specializes in tax planning for employees and founders with equity compensation. Click the button below for a consultation, or call one of our three locations: Wasatch Front [801-467-4450](tel:18014674450), Cache Valley [435-750-5566](tel:14357505566), and Southern Utah [435-269-4540](tel:4352694540). Talk to a CPA Planning an exercise, a sale, or a big vesting year? We'll run a tax projection before you act, so you know your AMT exposure, how many shares to exercise, and whether your withholding will cover the bill. [Schedule a Consultation](https://info.cmp.cpa/consultation/high-income?utm_source=blog&utm_medium=inline_cta&utm_campaign=stock-options-tax-guide&utm_content=high-income-consultation-end) No cost, no obligation. *This content is for educational purposes only and may not apply to your specific tax situation. Tax laws are complex, subject to change, and depend on individual circumstances. Consult a qualified tax advisor before relying on this information.* [![Tyler Robinson](https://blog.cmp.cpa/hs-fs/hubfs/Tyler%20Robinson.jpg?width=160&height=190&name=Tyler%20Robinson.jpg)](https://cmp.cpa/team/tyler-robinson/) About Tyler Robinson Tyler Robinson is a Senior Tax Associate in our Logan office. Born and raised in Cache Valley, he enjoys working with individuals and business owners to make taxes feel less stressful and more manageable. He earned both his bachelor’s and master’s degrees in accounting from Utah State University in 2024. Tyler helps clients with entity selection, bookkeeping, payroll, and tax return preparation. Outside of work, he enjoys mountain biking, hunting, and golfing. [Read Full Bio](https://cmp.cpa/team/tyler-robinson/) RECENT BLOG POSTS - [How Are Stock Options Taxed? A Complete Guide to ISOs, NSOs, and RSUs](https://blog.cmp.cpa/stock-options-tax-guide/) - [How to File Taxes If You Switched Jobs](https://blog.cmp.cpa/changing-jobs-impact-tax-return) - [When Is a Financial Statement Review Enough?](https://blog.cmp.cpa/when-is-financial-statement-review-enough) Get our quarterly tax newsletter Four short emails a year, each timed to a moment that matters for your taxes, with a practical tip from one of our CPAs in every issue. Unsubscribe anytime. 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Learn the rules for Incentive Stock Options, Non-Qualified Stock Options, and Restricted Stock Units, plus how AMT and capital gains affect what you owe.", "hasPart" : [ { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "It depends on the type of award. RSUs are taxed at vesting. NSOs create ordinary income at exercise. ISOs create tax at exercise only if AMT applies, and when you sell. All awards may create capital gains tax when you sell your shares." }, "name" : "When are stock options taxed: at vesting, exercise, or sale?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "ISOs are not taxed as regular income at exercise, but the spread between the strike price and fair market value counts as AMT income if you hold the shares past year-end. 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A Complete Guide to ISOs, NSOs, and RSUs", "image" : { "@type" : "ImageObject", "height" : 1000, "url" : "https://blog.cmp.cpa/hubfs/How%20Are%20Stock%20Options%20Taxed%20A%20Complete%20Guide%20to%20ISOs%2c%20NSOs%2c%20and%20RSUs.jpg", "width" : 2000 }, "inLanguage" : "en", "mainEntityOfPage" : { "@id" : "https://blog.cmp.cpa/stock-options-tax-guide", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "height" : 86, "url" : "https://cmp.cpa/wp-content/uploads/CMP-Logo.png", "width" : 406 }, "name" : "CMP" } } ```