Help understanding nonstatutory stock options - tax implications before IPO
I'm completely lost when it comes to taxes, especially this situation I'm in now. I worked at a tech startup for about 14 months without a salary, and instead they compensated me with stock options. The company is now preparing for an IPO, and I just found out I have nonstatutory stock options. Someone from the company's finance team reached out suggesting I should exercise these options before they go public to "minimize my tax liability." But honestly, I'm confused about the whole process. From what I understand, I need to pay for the shares at their strike price when I exercise, and then also pay taxes on the difference between that price and the current fair market value. If these options were my compensation for working there, I'm confused why I have to pay to exercise them at all. Did I misunderstand the arrangement completely? My tax guy seems equally confused and keeps postponing our conversations about it. I get the feeling he's Googling this stuff rather than speaking from experience. According to my Carta account, I have 7,250 options - 2,100 with a strike price of $0.078 and 5,150 at $0.86. The company's latest 409A valuation puts the common stock at $5.93 per share. Any clarity would be incredibly helpful! Happy to provide more details if needed.
19 comments


Lena Kowalski
You're in a common startup compensation situation! Let me break this down in simple terms. Nonstatutory stock options (NSOs) give you the right to purchase shares at a fixed price (your strike price) regardless of what the shares are worth later. This is called "exercising" your options. The tax situation works like this: When you exercise NSOs, you'll pay ordinary income tax on the difference between your strike price and the fair market value (FMV) at exercise time. For example, if your strike price is $0.078 and the FMV is $5.93, you'd pay tax on $5.85 per share as ordinary income. Why exercise before IPO? The FMV might be lower now than after they go public, meaning less tax. Plus, if you hold the actual shares for more than a year after exercise, any additional gains would be taxed at the lower capital gains rate. You do have to pay to exercise because options are the right to buy shares at a set price, not free shares. The benefit is that your strike prices are very low compared to the current valuation, which is the compensation aspect.
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Toot-n-Mighty
•Thank you! That makes way more sense. So basically, I'm not getting free shares - I'm getting the opportunity to buy shares at what is now a massive discount. But I still need the cash up front to actually exercise, right? Also, if the current FMV is $5.93 and I exercise all my options, I'm looking at a pretty substantial tax bill on the difference between my strike prices and this valuation. Is there any way to reduce this tax hit?
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Lena Kowalski
•You've got it exactly right - you're getting the opportunity to buy at a massive discount, which is where the value lies. Yes, you'll need cash upfront both to purchase the shares at your strike price and to cover the tax liability. There aren't many ways to reduce the immediate tax hit on NSO exercises. Some companies offer programs where they'll loan you the money to exercise or do a "cashless exercise" where they sell enough shares to cover costs. Another option is to exercise in stages over multiple tax years to spread out the liability, though this carries the risk of the share price continuing to rise.
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DeShawn Washington
I went through something similar with my startup's NSOs. After hours of confusion, I discovered taxr.ai (https://taxr.ai) which analyzed my option grant documents and explained exactly how much I'd owe in taxes under different exercise scenarios. It saved me from making a $23k mistake with my exercise timing! They have this cool feature where you can upload your Carta statements and grant documents, and it breaks down your specific tax situation with different exercise dates. Helped me understand why exercising before the IPO made sense in my case (though everyone's situation is different).
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Mei-Ling Chen
•Does it work with RSUs too? My company just switched from options to RSUs and I'm completely lost on the tax implications.
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Sofía Rodríguez
•How accurate is this compared to just talking to a CPA? I've been burned by online calculators before that didn't account for state taxes properly. Also wondering if it factors in AMT considerations?
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DeShawn Washington
•Yes, it absolutely works with RSUs as well! It explains the different tax treatment between NSOs and RSUs, which can be really helpful since RSUs are taxed differently at vesting than options are at exercise. For accuracy compared to a CPA, I found it gave me similar numbers to what my tax professional eventually came up with, but in minutes instead of days. And yes, it does factor in both state taxes and AMT considerations - you enter your state and income information and it calculates AMT impact if applicable. The big difference is that it's specifically designed for equity compensation scenarios, which is why it caught things my regular tax person missed.
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Mei-Ling Chen
Just wanted to update after using taxr.ai that someone mentioned above. It was seriously eye-opening for my situation! I uploaded my Carta info and learned I'd save about $18k in taxes by exercising my options in batches rather than all at once. The analysis showed exactly how much I'd pay in taxes at each step and even recommended which specific shares to exercise first based on my holding periods. What surprised me was finding out about the 83(b) election option for some of my unvested shares that no one had ever mentioned to me before. Definitely gave me more confidence than my conversations with my company's stock admin person who kept giving vague answers.
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Aiden O'Connor
If you're struggling to get answers from your current CPA, you might need specialized help. I spent WEEKS trying to get through to someone at the IRS who actually understood nonstatutory stock options. Finally used Claimyr (https://claimyr.com) to get through to an IRS agent who specializes in equity compensation. You can see how it works here: https://youtu.be/_kiP6q8DX5c The IRS agent I spoke with gave me official guidance on my exercise timing and documentation requirements. Turns out I needed specific forms I didn't even know about when exercising pre-IPO options, and there were reporting requirements my company wasn't handling properly.
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Zoe Papadopoulos
•Wait, how does this actually work? Does it just get you to the front of the phone queue somehow? I've been on hold with the IRS for literally hours trying to ask about my options exercise from last year that I think I reported incorrectly.
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Jamal Brown
•Sounds too good to be true honestly. The IRS barely answers their phones at all these days. And even if you get through, what are the chances you actually get someone who understands the complexities of startup equity? I've had IRS agents give me completely wrong information before.
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Aiden O'Connor
•It actually calls the IRS for you and navigates their phone tree, then calls you when a human agent is on the line - skips the 2+ hour hold time completely. It works because they use technology to stay on hold so you don't have to. The key is what you do once you get the agent. I specifically asked for a transfer to someone who handles equity compensation issues, and they put me through to a specialist. You're right that not every agent understands these complexities - I've had the same experience. But by asking for the right department and being specific about needing help with nonstatutory stock option reporting requirements, I got to someone who actually knew what they were talking about.
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Jamal Brown
I'm eating my words about Claimyr from my skeptical comment above. After continuing to get nowhere with the IRS regular phone line, I tried it yesterday out of desperation. Got connected to an actual IRS person in under an hour (compared to my previous 3+ hour waits). Like the other poster suggested, I specifically asked for someone who could help with equity compensation questions. The agent walked me through exactly how to report my NSO exercise on Form 8949 and Schedule D, and confirmed I needed to amend my previous return where I'd incorrectly reported some option exercises. They also explained the difference between disqualifying dispositions and qualifying dispositions, which my tax software never asked about. Saved me from potentially making the same mistake this year.
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Fatima Al-Rashid
One thing nobody's mentioned yet is that you should check if you have an exercise window. Some companies only allow you to exercise within 90 days of leaving the company, while others give you more time or even let you hold options until expiration (typically 10 years from grant). This matters because if you're approaching an exercise deadline, you might have no choice but to exercise regardless of tax consequences. I learned this the hard way and lost out on about $40k worth of options because I didn't exercise within my window.
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Toot-n-Mighty
•That's a really good point I hadn't even considered. Looking at my option agreement now and it does mention a 90-day post-termination exercise window. So if I were to leave the company before exercising, I'd only have 90 days to make a decision or lose the options entirely?
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Fatima Al-Rashid
•Exactly right. That 90-day window is pretty standard for most startups. If you leave the company for any reason (quit, fired, laid off) before exercising, you'd have just 90 days to come up with all the cash needed to exercise plus cover the tax bill, or you lose the options completely. This is actually one reason some people exercise early - to eliminate that risk if they think they might leave. It's a big consideration, especially as the value increases. I've seen people forced to take out loans just to be able to exercise within their window after leaving a company.
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Giovanni Rossi
Couple things to add from my experience with NSOs: 1) Consider the risk! You're putting real money into a private company that might never go public or get acquired. I exercised options at a startup that later failed - lost $15k and still had to pay taxes on phantom income. 2) If you wait till after IPO, there's usually a 180-day lockup period where you can't sell shares even though they're public. Market could tank during that time. 3) Ask if your company offers early exercise with 83(b) election - lets you exercise unvested options and starts your capital gains clock earlier. 4) Don't forget state taxes! California especially kills you on this stuff. 5) Some companies have programs to help with exercise costs or cashless exercises. Worth asking about.
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Aaliyah Jackson
•The 83(b) election thing saved me a ton! My company allowed early exercise and I filed the 83(b) within the 30-day window. Paid very little tax up front since the FMV was close to strike price then. When we got acquired 2 years later, everything was long-term capital gains. Colleagues who didn't do this paid WAY more in ordinary income tax.
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Angelica Smith
This is exactly the kind of situation where having all the right information upfront makes a huge difference. Based on your numbers (7,250 total options with those strike prices vs $5.93 FMV), you're looking at roughly $36k in taxable income if you exercise everything at once - that's a significant tax bill to plan for. A few practical considerations for your timeline: 1) Get clarity on your vesting schedule and any acceleration clauses that might trigger at IPO. Sometimes unvested options accelerate when companies go public. 2) Find out your company's IPO timeline. If it's 6+ months away, you might have time to exercise in stages across tax years to manage the tax hit. 3) Ask your company about any employee programs they offer - stock loan programs, cashless exercise options, or even tax gross-up assistance (some companies help cover the tax burden). 4) Consider your personal financial situation. Can you afford both the exercise cost (~$4,600 total) AND the tax bill on ~$36k of ordinary income? Don't put yourself in financial hardship for equity that's still speculative. The fact that your current tax advisor seems out of their depth is concerning. This really calls for someone with specific equity compensation experience, whether that's a specialized CPA or getting direct guidance from the IRS on proper reporting requirements.
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