Tools → Tax

RSU & ESPP Calculator

Understand your RSU vesting tax gap and model ESPP disposition strategies side by side.

RSU Vesting Details

Shares vesting500

FMV at vest date ($)50

Marginal federal rate24.0%

State tax rate9.3%

Shares withheld by employer110

Employer withholding method

Tax Breakdown

Ordinary income at vest$25,000

Federal withheld by employer$1,210

State withheld by employer$512

Actual federal tax owed$6,000

Actual state tax owed$2,325

Shares received (after sell-to-cover)390 shares

Tax shortfall — additional tax due at filing

-$6,604

The flat 22% supplemental rate is below your 24.0% marginal rate. Consider setting aside $4,790 for your tax filing.

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Educational disclaimer: All content on WealthSerene.com is for educational purposes only and does not constitute investment advice. Projections and calculations are illustrative — actual results will vary based on market conditions, your specific situation, and many factors outside this tool’s scope. Always consult a qualified financial professional for advice specific to your situation. For tax advice, consult a CPA or Enrolled Agent. View full disclosures →

RSU and ESPP taxation is complex. Supplemental withholding at 22% may be insufficient if your marginal rate is higher. Consult a CPA before making decisions about selling or holding equity compensation. Results are estimates based on information provided.