Compensation & Benefits

RSU Withholding Gap Calculator

The 22% federal supplemental rate almost always under-withholds at higher incomes. Know your gap before vest day — not at tax time.

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RSU Vest Details

Same size vest events remaining in the tax year.

Income & Tax Profile

Your salary/bonus received so far this year.
SS wages withheld against $184,500 wage base.
Total Tax Underpayment (This Vest)
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Withholding Breakdown

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RSU Ordinary Income
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Tax Withheld at Vest
22% federal + state + FICA
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Actual Tax Owed
At true marginal rates
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Federal Marginal Rate
vs. 22% supplemental
Tax ComponentWithheld at 22%+FICAActual OwedGap
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Export Results

Downstream: Freelance Quarterly Tax (AL-123) · Tax-Advantaged Benefits (AL-01) · ISO AMT (AL-116)