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Why this happens
At , tax must be withheld on the wage income. Many plans handle this by selling some of the just-vested shares.
The number of shares sold is based on the rates the plan applies, rounded up to whole shares.
You receive the net shares; the proceeds from the sold shares go toward your .
Because rates may be lower than your , does not always mean your full tax bill is paid.
What to check
- How many shares were sold vs. delivered on your confirmation.
- The rate the plan used.
- Whether that rate is below your likely .
- How the sold shares appear on your .
- Whether you need to cover a remaining gap with estimates.
Common mistake
Example scenario (hypothetical)
Illustration only, not your tax situation.
When to get help from a tax pro
- You consistently owe after .
- You want to compare with selling everything.
- You have insider-trading or blackout constraints.
- You are unsure how the sold shares are reported.
Related calculators
Related pages
- Same-Day Sale vs Sell-to-Cover
Both methods sell shares around vest, but who initiates the sale and how proceeds flow can differ.
- Why Do I Owe Taxes After Sell-to-Cover?
Your employer may sell fewer shares than your total tax, or use rates that do not match your bracket.
- 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.
For learning, not filing
Grants, employers, and states all differ. Use your own documents and a qualified tax professional before you make decisions from this guide.