For high earners

Exercise stock options without an AMT surprise.

Exercising incentive stock options can quietly trigger the alternative minimum tax. Spreading the exercise across years in smaller batches can keep you under the AMT line.

Watch the quick version

See how it works through one simple example.

Is this you?

You have incentive stock options you plan to exercise.
The AMT hit comes from the paper gain at exercise, even before you sell.

Here is the idea, in plain words

Exercising incentive stock options creates a paper gain that can trigger the alternative minimum tax.

Instead of exercising all at once, you exercise in smaller batches spread across several years.

Spreading it out keeps you under the AMT line each year and avoids a surprise bill.

What this could be worth

Smaller, staged exercises can keep you under the AMT line and avoid a surprise bill.
  • 1Estimate the AMT impact before you exercise.
  • 2Exercise in batches sized to stay under the line.
  • 3Revisit each year as your income changes.

Educational guidance, not tax advice. We confirm every figure and your eligibility before you act.

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What to watch out for

The honest version.

  • The AMT can apply even though you have not sold the shares, so you may owe tax on a paper gain.
  • A later sale has its own tax treatment, so coordinate the two.
  • AMT interacts with many other items. Model it before acting.

Common questions

What triggers AMT here?

The spread between the exercise price and value of incentive stock options counts for AMT.

How does spreading help?

Smaller annual exercises keep the AMT-triggering amount under the line each year.

Do I owe before selling?

You can, because the AMT looks at the gain at exercise, not at sale.

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