How are RSUs taxed when moving to the United States?

RSUs are generally taxed as ordinary income at vesting based on the fair market value of the shares. When an individual relocates to the United States during the vesting period, the income may need to be allocated between U.S. and foreign sources based on where the services were performed.

Can RSUs be taxed in both the U.S. and another country?

Yes. RSUs may be subject to tax in both jurisdictions if they relate to services performed in multiple countries during the vesting period. This can result in double taxation unless properly mitigated through foreign tax credits and applicable tax treaty provisions.

How is RSU income allocated between countries?

RSU income is commonly allocated on a time-based basis over the vesting period. The allocation generally considers the number of workdays in each country during the period from grant to vesting, in accordance with applicable U.S. sourcing rules.

What is the Foreign Tax Credit and how does it apply to RSUs?

The Foreign Tax Credit allows taxpayers to reduce U.S. tax liability for certain income taxes paid to a foreign country. For RSUs, foreign tax credits may help mitigate double taxation when the same RSU income is taxed in both the United States and another jurisdiction.

Do tax treaties eliminate double taxation on RSUs?

Tax treaties do not automatically eliminate taxation, but they may help determine taxing rights between countries and support the proper application of foreign tax credits or other relief provisions, depending on the specific treaty.

Why does my U.S. Form W-2 report the full RSU income?

U.S. employers may report the full value of vested RSUs as wages on Form W-2. However, where services were performed partly outside the United States, the taxpayer may need to separately analyze sourcing, allocation, foreign tax credits, and treaty considerations.

What are common mistakes in RSU reporting for expats?

Common mistakes include failing to allocate RSU income between jurisdictions, not tracking workdays accurately, overlooking foreign tax credit opportunities, incorrectly applying treaty provisions, and assuming employer reporting fully resolves the tax treatment.

When should a tax professional be consulted for RSU reporting?

A tax professional should be consulted when RSUs vest across multiple jurisdictions, especially when an individual relocates during the vesting period. Cross-border equity compensation can involve complex sourcing, treaty, and foreign tax credit issues.

RSU Taxation for Expats Moving to the U.S. (Avoid Double Taxation)

RSU Reporting Tax Challenges for Expats Moving to the U.S.

For many U.S. expats and foreign workers, understanding how restricted stock units (RSUs) are taxed can be confusing especially when relocating to the United States during the vesting period.

RSU taxation for expats moving to the U.S. depends on where services were performed during the vesting period.

What Are RSUs and How Are They Taxed in the U.S.?

Restricted stock units (RSUs) are a form of equity compensation that:

Vest over time based on service or performance conditions
Are taxed as ordinary income at vesting
Are valued based on the fair market value (FMV) of shares at vesting date

For U.S.-based employees, RSU income is typically reported on Form W-2 as wages.

Why RSU Reporting Becomes Complex for Foreign Workers

Foreign workers who transfer to the U.S. during the vesting period often face additional complexity, including the following tax implications:

the full value of the vested RSUs is reported as U.S. wages by employer, even though a portion of that income may relate to services performed in another country prior to the move.
RSU income subject to tax in previous country of employment for the portion earned while working in foreign jurisdiction.

This creates a risk of double taxation if not properly addressed.

Illustrative Example: RSU Taxation for an Expat Moving to the U.S.

Scenario:

Maria, a software engineer, receives RSUs while working in Canada
RSUs vest over 4 years
After 2 years, she relocates to the United States
The RSUs vest 2 years later

What happens at vesting?

100% of RSU income is reported on her U.S. Form W-2
But only 50% of the income relates to work performed in the U.S.
The other 50% relates to work performed in Canada

Tax impact:

Canada may tax the portion earned while working in Canada
The U.S. taxes the full amount
Maria must:
- Allocate income between countries
- Claim foreign tax credits, applying relevant tax treaty provisions where applicable to avoid double taxation

Navigating Double Taxation

Mitigating double taxation requires careful analysis and proper allocation of income. To avoid being taxed twice, expats must properly apply:

1. Income Sourcing Rules

The allocation of income is governed by Treasury Regulation §1.861-4(b)(2):

Compensation is sourced based on where services were performed
RSUs must be allocated across countries using a time-based method

2. Tax Treaties

If a treaty exists between the U.S. and the foreign country:

It may determine which country has primary taxing rights
It can reduce or eliminate double taxation subject to applicable savings clause

To learn more about applicable tax treaties for a specific foreign jurisdiction, refer to the IRS U.S. income tax treaties resource

3. Foreign Tax Credits (FTC)

Taxes paid abroad may be claimed as a credit on your U.S. tax return subject to FTC limitation rules.

Common RSU Income Reporting Mistakes

Common RSU income reporting mistakes include the following:

Reporting 100% of RSUs as U.S. income without allocation
Failing to track workdays in each country
Missing foreign tax credit opportunities
Ignoring treaty benefits
Assuming employer reporting is fully accurate

Why Proper Reporting Matters

RSU reporting for internationally mobile employees is a high-risk area for IRS scrutiny if not handled correctly. Errors in sourcing income, applying treaty benefits, or claiming foreign tax credits can lead to audits, penalties, or double taxation.

Given the complexity of U.S. tax rules, varying treaty provisions and cross-border reporting requirements, working with experienced expat tax professionals is essential.

Expert Help for RSU Taxation

At Baccus Consulting, we specialize in:

RSU taxation for US residents, expats and foreign workers
Cross-border income allocation
Foreign tax credit optimization
IRS compliance and audit support

Whether you’re moving to the U.S. or managing global equity compensation, we help ensure your taxes are handled accurately and efficiently.

Get Professional Guidance

If you’re dealing with RSUs and an international move, don’t leave it to guesswork. To discuss your equity compensation strategy get in touch to schedule a consultation.

For a broader overview, read our complete guide to equity-based compensation

If you’re living abroad, also see our 2026 guide to U.S. taxes for Americans abroad

Learn more about our Tax Planning & Compliance Services and Financial Advisory services.