DIRECT ANSWER
What to know first
An RSU settlement and a later sale are separate tax-reporting events. Compensation associated with the shares is commonly included in wages when the shares are transferred after vesting, based on the plan facts. A later sale is reported as a capital transaction. Reconcile the shares, value already included in income, sale proceeds, and broker-reported basis before completing Form 8949 and Schedule D; do not assume one brokerage number tells the entire story.
Separate the compensation event from the stock sale
When an RSU is settled in shares, the employer commonly reports compensation through payroll. Selling some or all of those shares is a separate transaction that can create a capital gain or loss based on the sale proceeds, correct basis, holding period, and applicable adjustments.
A same-day sale can still produce two reporting streams: wage information from the employer and sale information from the broker. Reporting only one stream can leave the return inconsistent with Forms W-2 or 1099-B received by the IRS.
Match the exact share lots and dates
- Award and vesting identifier
- Vesting and settlement dates
- Gross shares settled and shares withheld or sold for taxes
- Fair market value used for payroll reporting
- Shares remaining after withholding
- Sale date, shares sold, proceeds, and transaction fees
- Broker basis and whether the broker reported it to the IRS
Reconcile payroll income with basis records
The basis of property received for services generally reflects the amount paid, if any, plus the amount included in income, subject to the applicable rules. For RSU shares, compare the employer's taxable-compensation record with the broker's supplemental statement and Form 1099-B.
If the broker's basis is missing or differs from the supported basis, determine the correct Form 8949 reporting rather than simply replacing numbers without an audit trail. Preserve the calculation and source documents with the filed return.
Use Form 8949 to reconcile information reporting
Form 8949 is used to reconcile sale information reported to the IRS with the amounts reported on the tax return. The applicable box, basis entry, adjustment code, and amount depend on what Form 1099-B shows and whether a correction is required.
Complete the transaction-level reconciliation before transferring totals to Schedule D. If several vesting lots were sold together, allocate the sale to the specific lots supported by broker records or the taxpayer's identification instructions.
Review withholding and state reporting separately
Share withholding at settlement is not part of the capital gain or loss calculation merely because shares were used to fund payroll taxes. Reconcile the federal and state taxes withheld through payroll to the pay statement and Form W-2.
A move or work in multiple states can affect wage sourcing and state returns, while the later sale may follow different state rules. Keep residence and work-location records for the relevant earning and sale periods.
Common records that prevent a basis mismatch
- Award agreement and vesting statement
- Settlement confirmation and payroll detail
- Year-end Form W-2 and final pay statement
- Form 1099-B and full broker gain-or-loss statement
- Trade confirmations and lot-identification records
- Prior returns when shares vested or sold in another year
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AUTHOR
Stefano Tavella, CPA
Stefano Tavella, CPA leads Tavella CPA Group, a cloud-based CPA firm serving individuals and small businesses with tax preparation, planning, notice assistance, and related services.
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