Is my RSU or stock compensation withholding enough in 2025?
Estimate whether RSU or stock‑comp withholding will cover your tax in 2025 or 2026. Enter vest value, supplemental rate, and expected annual income to compare withheld amounts to estimated incremental tax, highlighting any gap you may need to cover with extra withholding or estimated payments.
How this calculation works
- Calculates incremental tax impact of adding the vest value to income.
- Applies the supplemental withholding rate to estimate withheld tax.
- Reports the gap between expected tax and withholding.
Common mistakes and caveats
- State tax and payroll withholding are not included.
- Actual tax depends on total income and deductions for the year.
- Special equity events can have unique tax treatment.
FAQ
Why is equity compensation often withheld at 22%?
Employers commonly apply the supplemental wage flat rate, which can be lower than your marginal rate.
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