Tax Treatment of RSUs
Understanding the tax treatment of Restricted Stock Units is important for those of you with compensation tied to your employer stock. Restricted Stock Units, or RSUs, are common in the tech world and many of the households we work with. While RSUs can create significant wealth for families, they can also create unexpected tax bills if we are unaware of the specific tax treatment.
In this post, we break down exactly how the tax treatment of RSUs works, when taxes apply, and what you should plan for.
🔍 What Are RSUs?
Restricted Stock Units are a form of equity compensation where your employer promises to deliver company shares once certain conditions are met. This is typically through a time-based vesting schedule.
You do not own the shares at the time of grant. You own the shares only when they vest. This distinction is key in understanding the tax treatment of RSUs.
💸 How RSUs Are Taxed
RSUs are not taxed at grant. Instead, taxation occurs immediately at vesting and potentially again when you sell the shares.
🏷️ Tax Treatment of RSUs at Vesting
The primary taxable event for RSUs occurs at vesting.
When your RSUs vest:
The fair market value of the shares on the vesting date is treated as ordinary income
The income is reported on your W2 as normal compensation (you will also see this on your paystub)
The income is subject to Federal, State (when applicable), Social Security, and Medicare taxes
Example:
If 1,000 RSUs vest when the stock price is $40 per share, you recognize $40,000 of ordinary income in that tax year.
This income is taxable even if you do not sell the shares.
Most companies automatically withhold taxes at vesting by selling a portion of shares to cover the tax obligation. This is often known as the “sell-to-cover”. For those in CA, the sell-to-cover is typically 40%, with 22% going to the IRS, 10.3% to CA, and the remainder to Social Security and Medicare.
Supplemental Withholding and RSUs
RSU income is generally treated as supplemental income for withholding purposes. Employers commonly use one of the following methods:
Sell-to-cover, where a portion of shares are sold to cover taxes
Share withholding, where shares are retained by the employer
Cash payment, where you pay the tax upfront and out-of-pocket
Federal withholding is often applied at a flat supplemental rate of 22%. If your marginal tax rate is higher, you may owe additional tax come filing time.
This is an important consideration in the tax treatment of RSUs, particularly for larger vesting events.
🏷️ Tax Treatment of RSUs at Sale
Once RSUs vest and shares land in your Brokerage account, you own the stock. A second tax event may occur when you sell the shares at a later date.
Your cost basis in the shares is the fair market value on the vest date.
When you sell:
If you sell immediately at vest, there is typically no additional capital gain or loss to be concerned with (outside of what is already on your paystub).
If you hold the shares and sell later, the difference between the sale price and the vesting value is treated as a capital gain or loss
If you sell within one year of vesting, any gain is considered short-term and taxed at ordinary income rates.
If you hold the shares for more than one year after vesting, gains may qualify for long-term capital gains rates, which are generally lower than ordinary income tax rates.
🤔 Additional Considerations
✓ No 83(b) Election
RSUs are not eligible for an 83(b) election because you do not receive actual shares at grant. Taxation only occurs when shares are delivered at vesting.
✓ Cost Basis Reporting
Because the vest is taxed and included as income on your paystub and W2, it is critical to ensure your cost basis is correctly reported when you sell. Failure to adjust basis properly can result in double taxation.
✅ 5 Key Takeaways on the Tax Treatment of RSUs
RSUs are not taxed at grant
RSUs are taxed as ordinary income at vesting
Any gain after vesting is taxed as short-term or long-term capital gains when sold
Traditional sell-to-cover may not fully cover your total tax obligations
Proper planning can reduce unexpected tax bills
Final Thoughts
Understanding the tax treatment of RSUs allows you to better coordinate your equity compensation with your broader financial plan.
Upcoming vesting event? Large concentration in company stock?
The tax treatment of RSUs can materially impact your financial picture. Let’s build a strategy around timing, withholding, and diversification. Connect with our team to create a plan for your RSUs.
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