In plain terms
How the tax works
day triggers wage income and automatically. Knowing the mechanics ahead of time means fewer surprises.
Default rates may not match your real , so the can leave a gap you need to plan for.
Trading windows, settings, and W-4 elections are easier to adjust before the than after.
What to check on your end
- Your grant details, , number of shares, and settlement method.
- Your equity platform's method and whether you can change it.
- A rough estimate of the value and the tax it may generate.
- Whether your current W-4 or estimated payments leave a gap for high income.
- Any blackout window that affects when you could sell delivered shares.
Common mistake
Example scenario (hypothetical)
Illustration only, not your tax situation.
When a CPA is worth it
- The is large enough to change your tax bracket for the year.
- You want to decide between extra W-4 and estimated payments.
- You have multiple vests or a bonus landing in the same window.
- You recently moved states or changed work location.
Sources and notes
Primary tax claims on this page are supported by the official and secondary sources below. Broker and software links describe reporting mechanics — confirm rules against IRS or state guidance.
RSU vest as ordinary wage income on Form W-2 and separate capital-gain treatment on later sale.
- IRS — U.S. taxation of stock-based compensation (RSU vesting and W-2 reporting)
Internal Revenue Service · Official
Describes RSU income at vest, W-2 reporting in boxes 1/3/5, and ordinary income treatment.
- IRS Publication 525 — Taxable and Nontaxable Income
Internal Revenue Service · Official
Covers compensation income from stock-based pay, including restricted property under section 83.
- Equity Compensation — RSU taxation at vest and on sale
Charles Schwab (Workplace Financial Services) · Brokerage explainer
Plain-language explainer: RSU value at vest on W-2, FICA, withholding may not cover full tax, separate capital gains on sale.
Related calculators
Related pages
- What Happens When RSUs Vest?
On vest day your employer typically reports wage income, withholds tax, and may sell shares — here is what to expect.
- RSU Tax Checklist After a Vesting Date
Once shares vest, save your statements and confirm wage reporting matches what you expected before filing season.
- RSUs and Estimated Tax Payments
If withholding on a vest falls short, estimated payments may be part of staying on track before April.
For learning, not filing
VestingTax.com is not a CPA firm or tax preparer. Grants, employers, and states all differ. Use the cited IRS and state sources above, your own documents, and a qualified tax professional before you make decisions from this guide.