A vest is coming or your W-2 jumped after one — and you need the timeline: wages at vest, withholding on the paycheck, and a separate 1099-B if you sell later.
In plain terms
Gather before you start
- Grant agreement and schedule from your equity portal.
- confirmation: shares, per share, , net shares delivered.
- Pay stub from the pay period.
- Prior-year if you want to compare wage patterns.
How the tax works
are compensation delivered as stock, not a separate investment you bought. When shares , payroll records the on the as taxable wages — the same category as salary and bonus on Box 1.
runs on that wage event in the pay period. Employers often use IRS rates on the equity portion, which is why a paycheck can look nothing like your normal salary stub even when base pay did not change.
or net settlement sells or withholds shares to cover tax, but the wage amount is still the full before shares leave the plan. Your should reflect gross wages, not net shares times price.
If you keep the shares, your for a later sale is generally the same already taxed as wages. A when you sell reports proceeds and (often wrong) basis — Form 8949 is where you fix basis so you are not taxed again on the dollars.
State tax follows payroll residence rules at unless you moved mid-year; multi-state boxes are a separate filing question from the federal -vs-sale timeline.
What to check on your end
- Whether income appears in Box 1 for the year.
- Federal and state on the vs. your likely .
- Net shares received after .
- if you sold — proceeds, reported basis, holding period from .
- Whether multiple vests stack into a higher bracket in one year.
Waiting until sale to think about RSU tax
What to pull from your files
- Box 1 wages (should include value).
- confirmation PDF from Schwab, Fidelity, E*TRADE, or your plan admin.
- Pay stub supplemental lines.
- if shares were sold ( year or later).
Example scenario (hypothetical)
Illustration only, not your tax situation.
Questions people ask
- Is RSU tax taken out when I sell?
- Usually the big tax moment is the , when income hits your . Selling later can add or loss on price movement after . If you sell immediately at , there may be little or no left after basis is set correctly.
- Do I pay RSU tax if I never sell?
- If you keep the shares after , you still owe income tax on the value — that is the wage event. You are not taxed again on the same dollars until you sell, when only the change in price matters for .
- Why is my W-2 so much higher than my salary?
- income is included in wages like salary and bonus. Box 1 often jumps by roughly the total value of shares that vested during the year.
- Where can I estimate RSU tax before the vest?
- Use the tax calculator on this site with your value, salary, state, and tax year. Compare the estimate to typical supplemental so you can set cash aside if there is a gap.
When a CPA is worth it
- You vested while living in one state and sold after moving.
- You have plus or exercises in the same year.
- Your does not show income you know occurred.
- You received a CP2000 or notice about sales.
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.
Federal wage treatment at vest 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
- Tax Form for RSU Income
RSU vest income goes on your W-2; sales go on 1099-B and Schedule D — there is no separate RSU-only IRS form.
- Are RSUs Taxed Twice?
Vest income and later sales can both show up on tax forms — that is not always double tax on the same dollars.
- Why Was My RSU Withholding Only 22%?
Employers commonly use flat supplemental rates on RSU vests. Your actual tax can be higher if you are in a higher bracket.
- RSU Pay Stub Line by Line
Each pay stub line on an RSU vest check maps to wage reporting — compare gross vest FMV, withholding, and FICA to your confirmation before calling payroll.
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.
