RSU Tax Calculator Connecticut 2026

Estimate tax on RSU vesting in Connecticut. See gross income, tax withheld, sell-to-cover shares, net shares received, and after-tax value.

RSU Vesting Details
Enter the number of RSUs vesting and fair market value to estimate tax withholding and net shares.

Used for Social Security wage base, Medicare threshold, and tax bracket impact.

After sell-to-cover
63.36 shares
$9,504 after-tax value
Gross: $15,000Tax withheld: $5,496 (36.6%)Shares sold: 36.64
Gross RSU income
$15,000
Estimated tax withheld
$5,496
Marginal bracket
24%
Effective tax on RSU
38.6%
Marginal bracket: 24%

Federal Income Tax (supplemental 22%)

Flat 22% supplemental wage withholding

$3,300(22.0%)
Social Security (6.2%)

6.2% on vest value

$930(6.2%)
Medicare (1.45%)

1.45% on all wages

$218(1.4%)
State Tax (CT)

CT supplemental withholding

$1,049(7.0%)
Supplemental wage withholding
Employers typically withhold RSU vesting at 22% federal (37% on amounts over $1M) plus state supplemental rates and FICA. This calculator assumes the flat supplemental method. Your actual withholding may vary if your employer uses the aggregate method.

Compare RSU tax across states or use other equity tools.

RSU Tax in Connecticut: How Connecticut Affects Your Vest
Why RSU vesting tax in Connecticut depends on federal withholding, Connecticut state tax, and FICA—and how to estimate sell-to-cover and net shares.

RSU vesting tax in Connecticut

RSUs (restricted stock units) are taxed as ordinary income when they vest. The fair market value (FMV) on the vest date is added to your W-2 wages. Employers typically withhold at the supplemental rate: 22% federal (37% above $1M), plus Connecticut state supplemental withholding and FICA (6.2% Social Security up to the wage base, 1.45% Medicare). This calculator uses your state (Connecticut) to estimate total withholding and how many shares are sold to cover tax.

Connecticut state tax on RSUs

Connecticut has state income tax, so RSU vesting in Connecticut is subject to state withholding in addition to federal and FICA. High-tax states like Connecticut, California, and New York withhold 10%+ on supplemental wages. Your take-home from RSU vesting in Connecticut is lower than in no-tax states (Texas, Florida, Washington, etc.). The calculator above includes Connecticut state supplemental rate.

Sell-to-cover and net shares in Connecticut

With sell-to-cover, your employer sells some vesting shares to pay the tax and delivers the rest to your brokerage. Shares sold = Tax withheld ÷ FMV per share. The calculator shows how many shares you keep after federal, Connecticut state, and FICA withholding. For full vesting schedules, use our Equity Vesting Calculator; when a tranche vests, use this tool for that vest event.

RSU Tax FAQ – Connecticut
Common questions about RSU vesting tax in Connecticut

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