RSUs Are Spiking Your Tax Bill at Vest, What Steps Should You Take Before the Next Vesting Date?
RSUs tax at vest like wages — defaults under-withhold. Plan elections, sale strategy, basis tracking, estimates so your next vest is calm.
Summary of What This Blog Covers
- Why RSUs tax at vest, not sale, and defaults under-withhold
- Step-by-step: elections, same-day sale vs sell-to-cover vs hold, basis, estimates
- 30-day countdown + case wins for calm vests
Why RSUs Create Taxable Income at Vest
FMV at vest = ordinary income + payroll tax. Defaults (22% federal) often under-withhold for higher brackets.
Step-by-Step Plan
1. Set withholding elections (higher % or flat dollar).
2. Choose same-day sale, sell-to-cover, or hold.
3. Track basis per lot.
4. Schedule same-week estimate if under-withheld.
30-Day Countdown
Day 30: Review vesting schedule + FMV projection.
Day 15: Set elections + sale strategy.
Day 7: Prep estimate payment.
Vest Day: Execute + track basis.
Post-Vest: Confirm withholding + pay estimate.
RSU Vest Checklist (copy-paste)
☐ Withholding elections set
☐ Sale strategy chosen (same-day/sell-to-cover/hold)
☐ Basis tracking log ready
☐ Estimate payment scheduled
☐ Confirmation docs saved
Book Your Fractional CFO Strategy Session
Insogna builds your RSU plan: withholding elections, sale strategy, basis tracking, estimates, and a 30-day countdown. Whether you searched “tax preparer near me for RSU taxes,” “Austin Texas CPA for equity compensation,” or “tax services near me for stock compensation,” we turn vests into strategy.
Frequently Asked Questions
1) Taxed at vest or sale?
Vest: ordinary income on FMV. Sale: capital gain/loss on post-vest change.
2) Sell-to-cover enough?
Defaults often under-withhold. Set higher elections or estimate gap.
3) Basis for each lot?
Yes — FMV at vest. Track per vest date for accurate gains/losses.
4) Same-week estimate needed?
If under-withheld — yes to avoid underpayment penalties.
5) Multi-state vest?
Source to work state at vest. We map state estimates.
