Net Unrealized Appreciation (NUA): Key Considerations

When individuals hold employer stock inside a 401(k) or other employer-sponsored retirement plan, they face an important decision at retirement or separation from service: whether to roll theassets into an IRA or distribute employer stock into a taxable account. For those with highly appreciated employer stock, a strategy known as Net Unrealized Appreciation (NUA) may offer meaningful tax advantages when used appropriately.

Net unrealized appreciation refers to the difference between the stock’s original cost basis in the retirement plan and its current market value. Under an NUA strategy, eligible employer stock is distributed in-kind from the plan into a taxable brokerage account as part of a qualifying lump-sum distribution. The cost basis is taxed immediately at ordinary income tax rates in the year ofdistribution, while the appreciation above the cost basis is deferred and generally taxed at long-term capital gains rates when the stock is eventually sold.

The primary advantage of the NUA strategy is the potential to convert what would otherwise be future ordinary income into capital gains, which are often taxed at lower rates. This can result in significant lifetime tax savings when employer stock has experienced substantial appreciation.However, this benefit must be weighed against accelerated taxation of the cost basis and the loss of ongoing tax deferral on distributed shares.

Eligibility rules are critical. NUA treatment generally requires a lump-sum distribution, meaning the entire balance of all qualified plans of the same type with the employer must be distributed within one tax year following a qualifying event such as separation from service, reaching age 591/2, disability, or death. Once employer stock is rolled into an IRA, eligibility for NUA treatment is permanently forfeited, making distribution decisions effectively irreversible.

Age-related penalty considerations also apply. Individuals under age 591/2 may be subject to a 10% early-distribution penalty on the taxable cost basis unless an exception applies, while the NUA portion itself is not assessed a penalty. For individuals age 591/2 or older, penalty concerns are generally eliminated, making the strategy easier to implement.

NUA strategies also have estate-planning implications. Employer stock distributed using NUA does not receive a full step-up in basis at death. While heirs may still benefit from capital gains treatment on the NUA portion, this limitation can make NUA less attractive for individuals whose primary objective is long-term wealth transfer rather than lifetime tax efficiency.

Finally, concentration risk must be addressed. Distributing employer stock into a taxable account may increase exposure to a single security outside of a diversified retirement account. Any NUA strategy should include a thoughtful plan to manage diversification and market risk over time.

In summary, Net Unrealized Appreciation can be a powerful tax-planning tool for individuals with highly appreciated employer stock, but it is highly situational. Because the strategy involves irreversible decisions affecting taxes, cash flow, investment risk, and estate planning, it should beevaluated carefully in coordination with a financial advisor and a qualified tax professional to help ensure it aligns with the broader financial plan.

Perspective article - Disclosure: The views expressed here reflect the views of Bronwyn Martin as of May 19, 2026. These views may change as market or other conditions change. Actual investments or investment decisions made by Ameriprise Financial and its affiliates, whether for its own account or on behalf of clients, will not necessarily reflect the views expressed. This information is not intended to provide investment advice and does not account for individual investor circumstances.