Stock Options After Layoff 2026: Exercise Decisions, Tax Implications & Equity Guide

Complete guide to understanding and managing stock options after a layoff. Learn about exercise windows, ISO vs NSO tax implications, AMT, 409A valuations, and make smart equity decisions.

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Stock Options After Layoff: The Complete 2026 Guide

Make smart decisions about your equity when time is running out

Time-Sensitive Decision Required

Most stock option grants give you only 90 days to exercise your vested options after your last day of employment. This deadline is non-negotiable. Mark your calendar and understand your options now.

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Understanding Your Equity Package

Before making any decisions, you need to fully understand what you have. Gather these documents from your company immediately:

  • Stock Option Grant Agreement: Your original grant letter with strike price and vesting schedule
  • Vesting Schedule: Confirmation of how many shares have vested
  • 409A Valuation: The current fair market value (FMV) of common shares
  • Cap Table Summary: Understanding your percentage ownership (if available)
  • Exercise Window Terms: How long you have to exercise post-termination
  • Any Extension Agreements: Some companies extend the exercise window
Financial documents and calculator for equity analysis
Understanding your equity package is the first step to making smart decisions

Key Terms Defined

Term What It Means
Strike Price The price per share you pay to exercise (buy) your options
Fair Market Value (FMV) Current value per share, as determined by 409A valuation
Spread The difference between FMV and strike price (your "paper gain")
Vested Shares Options you've earned the right to exercise
Unvested Shares Options you haven't earned yet (typically lost when you leave)
Exercise Using your options to buy shares at the strike price

ISO vs. NSO: Critical Tax Differences

The type of stock options you have dramatically affects your tax situation. Most employees have Incentive Stock Options (ISOs), but Non-Qualified Stock Options (NSOs) are also common.

Characteristic ISOs (Incentive Stock Options) NSOs (Non-Qualified)
Tax at Exercise No regular income tax (but may trigger AMT) Spread taxed as ordinary income immediately
Tax at Sale Capital gains if you meet holding periods Capital gains on any additional appreciation
Holding Period 1 year after exercise + 2 years after grant for LTCG 1 year after exercise for LTCG on additional gains
Post-Termination Window 90 days to maintain ISO treatment No specific limit (follows grant agreement)
$100K Rule Max $100K worth of ISOs can vest per year No limit

The 90-Day ISO Rule

If you have ISOs and don't exercise within 90 days of termination, your ISOs automatically convert to NSOs. This means you lose the favorable tax treatment. The clock starts on your last day of employment, not when you receive notice of termination.

Your Post-Termination Exercise Window

Your post-termination exercise window is defined in your stock option agreement. Standard windows are:

Day 0
Last day of employment
Day 30
~1 month to decide
Day 60
~2 months to decide
Day 90
DEADLINE ISO treatment lost

Common Exercise Window Terms

  • 90 days (standard): Most common for traditional grants
  • 3-12 months: Some modern startups offer extended windows
  • 5-10 years: Increasingly common at employee-friendly companies
  • Until option expiration: Rare but becoming more common

Check Your Agreement Carefully

Don't assume you have 90 days. Some companies have shorter windows (30-60 days), while others have longer ones. Read your stock option agreement carefully or ask HR to confirm your specific deadline.

Calculating Your Exercise Cost

Understanding the true cost of exercise is crucial. It's not just the strike price—you need to account for taxes too.

Stock Option Exercise Calculator

Number of Vested Shares e.g., 10,000
Strike Price (per share) e.g., $1.00
Exercise Cost (Shares × Strike) 10,000 × $1.00 = $10,000
Current 409A Value (per share) e.g., $5.00
Spread (409A - Strike) $5.00 - $1.00 = $4.00
Total Spread (Paper Gain) 10,000 × $4.00 = $40,000
Potential Tax (varies by type) ISO: AMT possible | NSO: ~$12,000-16,000
Total Outlay (Exercise + Tax) $10,000 + Tax = $22,000-26,000

Tax Implications of Exercise

The tax treatment depends on whether you have ISOs or NSOs, and when you sell the shares.

NSO Tax Treatment

  1. At Exercise: The spread (FMV - strike price) is taxed as ordinary income
  2. Your company withholds: Federal, state, Social Security, and Medicare taxes
  3. At Sale: Any gain above the FMV at exercise is capital gains
  4. Holding period: 1+ year for long-term capital gains rate

ISO Tax Treatment (Best Case)

  1. At Exercise: No regular income tax (but may trigger AMT)
  2. At Qualifying Sale: Entire gain taxed as long-term capital gains
  3. Requirements: Hold 1 year after exercise AND 2 years after grant date

2026 Tax Rates Reference

  • Ordinary income: 10-37% federal + state income tax
  • Long-term capital gains: 0%, 15%, or 20% federal + state
  • AMT rate: 26-28% on AMT income

The AMT Trap: Avoid a Tax Nightmare

Warning sign and financial documents
AMT can create tax bills on gains you can't realize—proceed with caution

The Alternative Minimum Tax (AMT) is a parallel tax system that can create devastating tax bills for ISO holders. The AMT treats your ISO spread as income, even though you haven't sold the shares and can't access the money.

How the AMT Trap Works

  1. You exercise ISOs with a large spread (FMV much higher than strike price)
  2. The spread becomes "AMT preference income"
  3. If this pushes you into AMT, you owe taxes on the paper gain
  4. If the stock price drops, you still owe the AMT
  5. You may owe taxes on gains that no longer exist

Real-World Disaster Scenario

In 2000-2001, thousands of employees exercised ISOs during the dot-com boom, triggering AMT on massive paper gains. When stocks crashed, they owed hundreds of thousands in taxes on shares worth a fraction of that. Some faced bankruptcy. Don't let this happen to you.

AMT Avoidance Strategies

  • Exercise and sell same day: No AMT risk, but no ISO benefit
  • Limit exercise amount: Stay below AMT threshold (consult a tax pro)
  • Exercise across calendar years: Spread AMT exposure over multiple years
  • Exercise low-spread options only: Lower spread = lower AMT impact
  • Calculate AMT before exercising: Use tax software or a CPA

Analyzing Company Valuation

Your equity is only worth something if the company succeeds and has a liquidity event (acquisition or IPO). Before exercising, honestly assess your company's prospects.

Questions to Ask

  • What is the company's current runway (months of cash remaining)?
  • Are they actively fundraising? At what valuation?
  • Is revenue growing or declining?
  • What is the liquidation preference stack?
  • How much would the company need to sell for to give common shareholders value?
  • Are there any acquisition discussions happening?
  • What's the path to profitability or exit?

The Preference Stack Problem

VCs typically have liquidation preferences—they get paid before common shareholders in an exit. If the preference stack is high, common shares (your shares) may be worth nothing in many exit scenarios.

Example: Understanding Liquidation Preferences

Company raised from VCs $100 million total
VCs have 1x preference Get $100M back first
Company sells for $80 million
VCs get (up to preference) $80 million
Common shareholders get $0

Exercise Strategies by Scenario

Your exercise strategy should depend on your specific situation. Here are common scenarios and recommended approaches:

Likely Exercise

Strong Company, Low Cost

  • Company is healthy with 18+ months runway
  • Recent funding at high valuation
  • Exercise cost is small relative to your savings
  • Clear path to liquidity event

Strategy: Exercise all vested shares; consider tax timing

Consider Carefully

Uncertain Outlook, Moderate Cost

  • Company has 12-18 months runway
  • Exercise cost is meaningful but affordable
  • Some concerns about future funding
  • Preference stack is moderate

Strategy: Exercise low strike price options only; partial exercise

Likely Let Expire

High Risk, High Cost

  • Company struggling with <12 months runway
  • Exercise cost would strain your finances
  • High preference stack (2x+)
  • No clear path to exit

Strategy: Let options expire; don't throw good money after bad

Time It Right

Strong Company, High AMT Risk

  • Large ISO grant with big spread
  • Exercising all would trigger significant AMT
  • Company is doing well
  • You can wait for better timing

Strategy: Negotiate extended exercise window; exercise strategically over years

Negotiating Extended Exercise Windows

One of the most valuable things you can negotiate in your exit package is an extended exercise window. This gives you more time to make the decision and potentially avoid AMT.

What to Ask For

  • Extended window: 1-2 years instead of 90 days
  • Full ISO period: 10 years from original grant (requires company cooperation)
  • Conversion to NSO: If you want a longer window and are okay with NSO treatment

How to Negotiate

  1. Request the extension as part of your severance negotiation
  2. Explain that it costs the company nothing (no cash outlay)
  3. Emphasize your tenure and contributions
  4. Get it in writing as an amendment to your stock option agreement
  5. Have an attorney review the amendment before signing

Companies Are Increasingly Flexible

Many modern startups now offer extended exercise windows by default. If yours doesn't, they may be willing to make an exception. It costs them nothing financially—it's pure goodwill. Ask your manager or the CFO directly.

RSUs: How They're Different

If you have Restricted Stock Units (RSUs) instead of stock options, the rules are different—and generally simpler.

RSU vs. Stock Option Comparison

Factor Stock Options RSUs
Exercise Required? Yes—you must pay to buy shares No—shares are granted automatically
Cost to You Strike price × shares $0 (taxes withheld from value)
Tax at Vesting Generally none (ISOs) Full value taxed as ordinary income
If Company Fails You may lose exercise cost You received value at vesting (taxed)
Post-Termination Unvested expire; exercise window for vested Unvested are canceled; you keep vested shares

What Happens to RSUs When Laid Off

  • Vested RSUs: You already own these shares—they're yours
  • Unvested RSUs: Typically canceled upon termination
  • Pending vesting: Some companies accelerate the next vest date
  • Negotiation: Ask for acceleration of unvested RSUs as part of your exit package

The 83(b) Election Explained

An 83(b) election is a special IRS filing that lets you pay taxes on stock at grant rather than at vesting. It's only relevant if you have:

  • Restricted stock (not options) that's subject to vesting
  • Early-exercised options (exercised before vesting)

When 83(b) Is Beneficial

  • You exercise options early at a very low strike price
  • The current value (FMV) is close to your strike price
  • You believe the company value will increase significantly
  • You can afford to lose the money if the company fails

83(b) Must Be Filed Within 30 Days

If you're making an 83(b) election, you must file with the IRS within 30 days of the stock grant or early exercise. Miss this deadline and you lose the opportunity forever. There are no extensions or exceptions.

Your Decision Framework

Here's a structured approach to making your stock option exercise decision:

Step 1: Gather Information

  • Confirm your exercise window deadline
  • Get exact numbers: vested shares, strike price, current 409A
  • Determine if you have ISOs or NSOs
  • Calculate total exercise cost

Step 2: Assess Company Health

  • Research recent funding, runway, growth metrics
  • Understand the preference stack
  • Evaluate realistic exit scenarios
  • Talk to former colleagues if possible

Step 3: Calculate Tax Implications

  • For ISOs: Calculate potential AMT exposure
  • For NSOs: Calculate ordinary income tax at exercise
  • Consider exercising across tax years if beneficial
  • Consult a tax professional for large amounts

Step 4: Make Your Decision

  • Can you afford to lose the exercise cost entirely?
  • Is the risk/reward ratio favorable?
  • What's your alternative use for this money?
  • Would you invest this amount in this company today?

The "Fresh Look" Test

Ask yourself: "If I didn't work here and had no emotional attachment, would I invest this amount of money in this company?" If the answer is no, letting the options expire might be the right choice—even if it feels like giving up.

Step 5: Take Action

  • If exercising: Complete paperwork before your deadline
  • Have funds ready (check, wire, or cashier's check typically)
  • Get written confirmation of your exercise
  • Set up estimated tax payments if needed
  • Keep all documentation for tax filing

Resources for Help

  • Carta: Many companies use Carta for equity management
  • Secfi: Stock option financing and advice
  • ESO Fund: Non-recourse option exercise financing
  • Tax professional: Essential for large exercises
  • Employment attorney: For negotiating extensions

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