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instrument

exercise: ISOs @strike, FMV
W-2 income: ··
Spread (bargain element): $430,000
Added AMT: $127,876
Cash to exercise: $20,000

CA charges its own AMT on ISO exercises that is not modeled yet; roughly up to $30,100 more.

The added AMT is what this exercise costs on top of the tax this filer already owes. It is charged on the $430,000 spread, not on cash received: the exercise costs $20,000 out of pocket and sells nothing.

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Your company is going publicISOs, a 90-day exercise window, and six figures of tax in play over the next six months.See the ISO walkthrough →You vest RSUs at a public companyMost vests are under-withheld once your income clears the 22% bracket; modeling that is free here.See the RSU walkthrough →

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