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2026年08月04日

Case Study: Defusing the RSU Tax Trap—How a British Executive Built a Strategy

This consultation arose from in-person FP sessions as part of a customized package plan recommended during her first session. She plans to stay in Japan after retirement. The case was handled by Financial Planner Yoshiko Nakamura. The data is partially adjusted to protect personal information.

Client Profile

  • Client: Female (54), British citizen, single.

  • Financial Status: Working as a senior director at a US multinational corporation in Japan. Holds substantial equity awards (RSUs).

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Consultation: RSU Streams and Tax Liabilities

She was enjoying her company’s RSU (Restricted Stock Units) benefits to travel the world, buy a second home, and so on. Then, she suddenly faced some uncomfortable facts. She noticed that she had to pay more than ¥5 million in income tax when she filed her tax return in March. This was because her company’s stock price had risen significantly over the last few years.

Fortunately, she could pay it by transferring money from her savings account in the UK, but she started to feel anxious that she didn’t really understand what was going on with her money, stocks, taxes, loans, and properties.

It was a big challenge for her to estimate her cash flow and to know how to build assets in preparation for her retirement. She was and would continue to be busy traveling around Japan and other countries as a company director. She simply didn’t have the time to manage her personal finances.

The root of her anxiety lay in the specific mechanics of her company’s stock plan combined with Japan’s progressive tax timeline:

  • The Lack of Sell to Cover: Her RSU program did not automatically withhold shares to cover taxes upon vesting (shares delivery). Instead, 100% of the vested shares landed directly in her brokerage account.

  • The Tax Cash Crunch: Because the delivery of these shares is treated as standard income in Japan, she faced large progressive tax bills. Every March, she had to find millions of yen in liquid cash to pay her national income tax, only to be hit again from June onward when her local resident tax increased.

“Every year, my salary feels completely hollowed out by these tax payments,” she explained. “I feel like I am not saving enough for my retirement, making me feel like I have to keep working forever.”

The FP Analysis

When we plotted her financial timeline together, we looked at how RSU volatility interacts with Japan’s tax deadlines.
The strategy needed to pivot from simply “holding stock, selling it reactively, and scrambling for tax cash” to taking control of her cash flow proactively.
We mapped out the following strategic actions:

 

  1. Controlled RSU Liquidation: Instead of selling her vested shares reactively just to pay the tax, she will execute a controlled, quarterly liquidation of a portion of her portfolio over the next three years. She also requested her Japanese tax accountant to calculate and notify her of the income tax related to her RSUs well in advance.

  2. Long-Term Asset Formation Plan: To help manage expenditures, we proposed visualizing future changes in income, expenditure, assets, and liabilities so that rational economic decisions can be made.

Key Takeaways for RSU Management

While it is a positive thing when your company’s stock price rises, it can result in a decrease in monthly take-home pay (due to the increase in resident tax) and a large tax bill when filing your tax return.

However, both factors can be calculated and predicted in advance. By working with a tax accountant, you can prepare for them wisely. It is important to have a strategy to manage your RSU assets for retirement, and if you have a home loan or investment loans, your strategy should be integrated with them.

During our session, we handed her a schedule chart and reassured her that by preparing for her RSUs and taxes this way, she would not have to worry. She was very pleased with the clarity it provided. You can download the chart schedule below.

 Download the Annual Tax & RSU Schedule Here

Next Steps

Now that her primary anxiety surrounding the RSU taxes has been addressed, we will start developing strategies for other investment options alongside her RSU, cash flow, and loan management to help her transition into her late 50s with peace of mind.

If you are facing difficulties with RSUs, cross-border taxes, or investment properties in Japan, you do not have to find all the solutions by yourself.

We can analyze your RSU structure, align it with your tax deadlines, and build a clear, optimized path toward your financial goals.

 


Book a Counseling Session Here

Yoshiko Nakamura, Financial Planner Alpha & Associates, Inc.

 

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