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Employment Benefits

ISO Exercise Timing + AMT Optimization

Exercise ISOs early (bargain element = AMT) — pay AMT credit, get long-term cap gains + recover AMT in future.

Overview

Incentive Stock Options (ISOs) require exercise + 1-yr hold from exercise + 2-yr hold from grant to qualify for long-term cap gains on entire spread. The exercise creates AMT preference item (bargain element × 26/28%). Strategy: exercise EARLY (low bargain element = low AMT), pay AMT, get AMT credit carryforward. Future years' non-AMT years recover the credit dollar-for-dollar. Massive savings vs waiting to exercise at IPO (huge bargain element, ordinary income). Coordinate with CPA before year-end.

Best fit
Startup employees with ISO grantsPre-IPO employees83(b)-eligible early exercisers
Estimated impact
$100K–$1M+ tax savings on ISO exit

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