NUA Tax Strategy Calculator

The IRS requires a specific triggering event before you can use the NUA strategy. You cannot simply elect NUA at any time. The distribution must occur after one of these four qualifying events:

• Separation from service — You leave your employer (quit, get laid off, or are terminated). This is the most common triggering event. It does not apply to self-employed individuals.
• Reaching age 59 1/2 — Once you hit this age, you qualify regardless of employment status. This is particularly useful if you want to use NUA while still working.
• Disability — If you become totally and permanently disabled as defined by the IRS.
• Death — Your beneficiaries can use NUA when they inherit the plan assets. This can be a valuable estate planning tool.

Critical requirement: The distribution must be a lump-sum distribution of the entire plan balance within a single tax year. You cannot cherry-pick only the company stock. All assets in the plan must be distributed, though non-stock assets (mutual funds, bonds) can be rolled into an IRA in the same transaction. Only the company stock needs to go to a taxable account.

Important timing note: If you have multiple accounts with the same employer (e.g., a 401(k) and a profit sharing plan), all accounts under that employer must be distributed. Accounts from different employers are treated separately.

Comparing NUA to a traditional IRA rollover requires calculating the total tax bill under both strategies and finding the difference. The math is straightforward but involves several moving parts.

NUA strategy tax calculation:

• Tax on cost basis — Cost basis x your ordinary income tax rate. This is paid in the year of distribution.
• Tax on NUA (appreciation) — (FMV - cost basis) x your long-term capital gains rate. This is paid when you sell the stock.
• Tax on other 401(k) assets — If you roll non-stock assets into an IRA, they are taxed as ordinary income when withdrawn later.

Full rollover tax calculation:

• Tax on total withdrawal — The entire amount (cost basis + appreciation + other assets) is taxed at your ordinary income tax rate when withdrawn from the IRA.

Example: Suppose you have $500,000 of company stock with a $50,000 cost basis, and you are in the 32% ordinary income bracket with a 15% LTCG rate. Under NUA, you pay $16,000 on the basis (32% of $50K) plus $67,500 on the NUA (15% of $450K) = $83,500 total. Under a full rollover, you eventually pay 32% on the entire $500K = $160,000. NUA saves $76,500.

This calculator automates these comparisons and factors in the other 401(k) balance to give you a complete picture.

NUA is powerful but not universally beneficial. There are several scenarios where rolling everything into an IRA is the better choice. Understanding these situations prevents a costly mistake.

NUA may not make sense when:

• Your cost basis is high relative to FMV — If the stock has not appreciated much, there is little NUA to benefit from. The tax savings come from the spread between cost basis and current value. A stock that has only doubled may not justify the complexity.
• You are in a low tax bracket now but expect to be higher later — NUA forces you to pay ordinary income tax on the cost basis now. If your current bracket is low (e.g., you just retired), paying taxes on IRA withdrawals over many years at a low rate may be cheaper.
• You need the money right away and are under 59 1/2 — The cost basis portion of an NUA distribution may be subject to the 10% early withdrawal penalty if you are under 59 1/2 (with some exceptions for separation from service at age 55+).
• Concentration risk is high — Taking a lump-sum distribution of company stock means holding a large concentrated position. If the stock drops significantly before you sell, you may have been better off rolling into an IRA and diversifying immediately.
• State tax considerations — Some states tax capital gains at the same rate as ordinary income, which reduces the NUA benefit. Check your state's rules.

Key risk: Once you elect NUA and distribute the stock, you cannot undo it. The cost basis is immediately taxable. If the stock crashes before you sell, you still owe tax on the cost basis but may have a capital loss on the NUA portion.

Once company stock is distributed from the 401(k) to a taxable brokerage account using NUA, any additional gain above the fair market value at the time of distribution is treated differently depending on how long you hold the shares after distribution.

Post-distribution gain treatment:

• Held more than 1 year after distribution — Additional appreciation (above the FMV at distribution) is taxed at the long-term capital gains rate.
• Held 1 year or less after distribution — Additional appreciation is taxed at the short-term capital gains rate (ordinary income rates).
• The NUA portion itself — Always qualifies for long-term capital gains rates, regardless of holding period after distribution. This is the core benefit of the strategy.

Practical implication: If you plan to sell soon after distribution, the NUA portion still gets LTCG treatment. But if the stock has gone up further since distribution, you might want to hold at least one year after distribution to get LTCG rates on the additional gain too. This calculator focuses on the tax comparison at the point of distribution. Any further appreciation is a secondary consideration for your holding strategy.

The short answer is yes, with conditions. You can elect NUA treatment on some shares and roll the rest into an IRA, but the overall distribution rules still apply.

How partial NUA works:

• Split the stock — You can distribute some shares to a taxable account (NUA treatment) and roll the remaining shares into an IRA. This gives you flexibility to limit the upfront tax hit on the cost basis while still capturing some NUA benefit.
• Lump-sum rule still applies — Even with a partial NUA election, the entire plan balance must be distributed in a single tax year. You cannot take NUA on some stock this year and roll over the rest next year.
• All-or-nothing per lot — Each share of company stock is treated individually. You choose which shares to distribute vs. roll over. Shares with the lowest cost basis (highest NUA) are typically the best candidates for NUA treatment.

Strategy tip: Partial NUA is useful when you want to limit the immediate ordinary income tax on the cost basis while still converting the highest-appreciation shares to capital gains treatment. This is particularly relevant when a full NUA election would push you into a higher tax bracket.

The 10% early withdrawal penalty (for distributions before age 59 1/2) applies to the cost basis portion only of an NUA distribution, not the NUA (appreciation) portion. However, there are important exceptions that can eliminate the penalty entirely.

Penalty rules for NUA distributions:

• Cost basis — Subject to the 10% penalty if you are under 59 1/2, unless an exception applies.
• NUA (appreciation) — Never subject to the 10% penalty, regardless of your age. This is a significant advantage of NUA over a regular 401(k) withdrawal.
• Rule of 55 exception — If you separate from service in or after the year you turn 55, the 10% penalty does not apply to 401(k) distributions. Combined with NUA, this makes the strategy penalty-free for many early retirees.
• Other exceptions — Disability, certain medical expenses, and QDRO (divorce) distributions also avoid the penalty.

Important: If you roll the stock into an IRA first and then try to use NUA, you lose the NUA treatment entirely. The stock must go directly from the 401(k) to a taxable account. Also, the 10% penalty only applies to the cost basis, which is typically a small fraction of the total value, so even with the penalty, NUA can still save money overall.

The break-even holding period answers a critical question: how long does the stock need to grow inside an IRA before the tax-deferred growth advantage offsets the higher ordinary income tax rate you will eventually pay?

Why it matters:

• NUA costs you tax-deferred growth — When you use NUA, you move stock out of a tax-sheltered account. Inside an IRA, the stock would continue growing tax-deferred, potentially for decades.
• The trade-off — NUA gives you a lower tax rate (LTCG vs. ordinary income) but loses the tax deferral benefit. The break-even period tells you when the deferral advantage would have caught up.
• Short break-even = NUA wins clearly — If the break-even period is only 2-5 years, NUA is almost certainly the better strategy because you would need many years of tax-deferred growth to overcome the rate difference.
• Long break-even = consider IRA rollover — If the break-even period is 20+ years, the tax-deferred compounding inside the IRA may be more valuable, especially if you are young and have decades before withdrawal.

Factors that shorten the break-even period: Large spread between ordinary income and LTCG rates, high NUA relative to cost basis, and lower expected returns on the stock. Factors that lengthen it include small rate differentials, high expected returns (more tax-deferred growth matters), and many years until you need the money.

A common misconception is that NUA requires you to distribute everything to a taxable account. In reality, you have flexibility with the non-stock assets (mutual funds, bonds, cash) in your plan.

The optimal approach for most people:

• Company stock — Distribute to a taxable brokerage account to capture NUA treatment.
• Everything else — Roll into a traditional IRA to maintain tax-deferred growth. This includes mutual funds, bond funds, cash, and any non-company-stock holdings.
• Both in the same transaction — The lump-sum distribution rule requires everything to be distributed in the same tax year, but different assets can go to different destinations simultaneously.

Tax implications for the non-stock portion:

• Rolled to IRA — No immediate tax. Assets continue to grow tax-deferred. Withdrawals are taxed as ordinary income in retirement.
• Distributed to taxable account — If for some reason you distribute non-stock assets to a taxable account, the full amount is taxed as ordinary income plus a potential 10% penalty. This is almost never advisable.

This calculator asks for your other 401(k) balance separately so you can see the full picture. In most NUA strategies, the non-stock balance rolls into an IRA and is only relevant for understanding your total tax-deferred retirement assets.

This is one of the most debated questions in NUA planning. The answer depends on your view of the stock, your tax situation, and your overall portfolio diversification needs.

Arguments for selling immediately:

• Eliminate concentration risk — Holding a large single-stock position is risky. Think Enron, Lehman Brothers, or any company that declined sharply. Diversifying immediately locks in the NUA tax benefit and protects your wealth.
• NUA already qualifies for LTCG — The appreciation from cost basis to FMV at distribution always gets long-term capital gains treatment, even if you sell the next day. There is no holding period requirement for the NUA portion.
• Reinvest in a diversified portfolio — After paying the LTCG tax on NUA, you can reinvest the proceeds in a diversified portfolio that matches your risk tolerance.

Arguments for holding:

• Additional appreciation can qualify for LTCG — If you hold for more than 1 year after distribution, any further gains above the distribution-date FMV also qualify for long-term capital gains rates.
• Step-up in basis at death — If you hold the stock until death, your heirs receive a step-up in cost basis to the date-of-death value, potentially eliminating all capital gains tax, including the NUA portion.
• You believe in the company — If you have strong conviction in future growth and already have a diversified portfolio otherwise, continuing to hold may make sense.

Most financial advisors recommend selling and diversifying unless you have a specific, well-reasoned argument for holding. The tax benefit of NUA is already captured at distribution; holding adds investment risk without additional tax advantage (beyond the 1-year holding period for extra appreciation).