Understanding Restricted Stock Units: How to Avoid a Huge Tax Bill
- Bridget Sullivan Mermel CFP(R) CPA

- Jan 5
- 4 min read
Updated: Mar 11
Restricted Stock Units (RSUs) can be a fantastic way to build wealth. However, they come with specific tax rules that you need to understand. In this article, we’ll break down what RSUs are and how they differ from stock options.
What Are Restricted Stock Units?
RSUs are typically part of an employee's compensation package. Companies grant these units to employees, which vest over time. Vesting usually starts the year after they are granted and can last for several years, often around three years. Sometimes, vesting occurs monthly.
When RSUs vest, you receive shares of stock. The value of these shares, minus taxes, is included in your compensation. This amount will show up on your W-2 form. It’s essential to grasp this basic concept before diving deeper.
The Benefits of RSUs
Receiving RSUs can feel like getting a bonus. For example, if you have 75 shares, and 25 vest each year, it’s akin to receiving a cash bonus in stock form. This structure ties your financial success to the company's performance. You want the company to thrive because your shares will increase in value.
Tax Implications of RSUs
When your RSUs vest, the shares can either increase or decrease in value. If you hold onto them for a year, any gains are taxed as capital gains, which typically have a lower tax rate. Companies often include RSUs in compensation packages to encourage employees to stay invested in the company's future.
Let’s say you’re my client and you have 75 shares. You receive 25 shares each year, and the company stock is valued at $100 per share. By next December, if the stock price rises to $110, you still receive those 25 shares, and that value will appear on your W-2.
Understanding Your Tax Responsibilities
It’s crucial to remember that while you own stock, you might not have cash in hand. You’ll owe taxes on the value of the shares even if you haven’t sold them yet. This can create a situation where you have a tax bill without having liquid cash to pay it.
Once you own the stock, you can decide what to do with those shares. You might choose to sell them immediately or hold onto them for a year to benefit from capital gains tax rates. This decision requires careful consideration.
Insider Trading Considerations
If you’re an insider at your company, you may face restrictions on when you can sell your shares. Insiders often have access to information that could affect stock prices, so there are specific trading windows you must adhere to. If you suspect you might be classified as an insider, it’s vital to clarify your status.
The Risks of Concentration
Many employees receive RSUs and hold onto them, hoping the stock price will rise. However, this can lead to a significant concentration of wealth in one asset. If the company faces challenges, not only could the stock price drop, but you could also risk your job.
It’s essential to diversify your investments. While having some shares in your company can be beneficial, holding too many can increase your financial risk. If the stock price plummets, you could lose a substantial portion of your net worth.
Making Informed Decisions
When considering your RSUs, think about your overall financial situation. If you received a cash bonus equivalent to the value of your RSUs, would you invest that money back into your company’s stock? If the answer is no, it might be wise to consider selling your shares.
This approach helps separate emotions from financial decisions. It’s crucial to evaluate whether keeping the stock aligns with your financial goals.
The Closet Rule
I like to call this strategy the "Closet Rule." Just like cleaning out your closet, ask yourself if you would buy that item today. If not, it might be time to let it go. This mindset can help you make clearer decisions about your RSUs.
Navigating the Complexity of RSUs
Many companies use third-party custodians to manage RSUs, and the systems can be confusing. Even high-level executives often struggle to navigate these platforms. If your company pays dividends, you’ll need to report that income on your tax return, which can add to the complexity.
These systems can sometimes send a message that encourages you to stay with the company. They may make it challenging to execute trades, which can lead to a false sense of security about your financial situation.
Conclusion
In summary, understanding RSUs is crucial for your financial planning. They can be a valuable part of your compensation, but they also come with risks and tax implications. By being informed and making strategic decisions, you can maximize the benefits of your RSUs while minimizing potential pitfalls.
At Sullivan Mermel, Inc., we’re here to help you navigate these complexities. If you have questions about your RSUs or need assistance with your financial planning, don’t hesitate to reach out.
Resources:
Alliance of Comprehensive Planners: https://www.acplanners.org
John's firm website: https://www.trinfin.com
Find us on Facebook: https://www.facebook.com/friendstalkfinancialplanning
At Sullivan Mermel, Inc., we are fee-only financial planners located in Chicago, Illinois, serving clients in Chicago and throughout the nation. We meet both in-person in our Chicago office and virtually through video conferencing and secure file transfer.

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