Retirement Planning for Lynchburg Executives with a Large 401(k) and Company Stock

In short: This hypothetical case study follows a 62-year-old Lynchburg executive retiring with a $3.4 million investable portfolio—a $1.8 million 401(k), $1 million in taxable investments, and $600,000 in concentrated company stock. It illustrates how Roth conversion timing, Social Security claiming age, Medicare (IRMAA) costs, concentrated-stock diversification, and charitable giving get coordinated as one connected retirement strategy rather than six separate decisions.

Key Takeaways

• Retirement often shifts the question from “Am I saving enough?” to “How do I use what I’ve saved tax-efficiently?”
• A 401(k) held entirely in tax-deferred assets can create large, unavoidable taxable income later through required minimum distributions. The years just after retirement, before Social Security and RMDs begin, can be a window for managing that proactively.
• Concentrated company stock, Social Security timing, Medicare premiums, taxable-account withdrawals, and charitable giving all interact—a decision in one area can change the right answer in another.
• The goal isn’t to minimize taxes in any single year. It’s to manage the tax bill across a lifetime.

This example is hypothetical and provided for illustrative and educational purposes only. It does not represent an actual CharMarLine Wealth Management client.

A Hypothetical Lynchburg Retirement

For many successful executives and long-tenured professionals, reaching retirement creates a different set of financial challenges than building wealth did. After decades of saving, the question often shifts from “Am I saving enough?” to “How do I turn what I’ve accumulated into a tax-efficient retirement strategy?” For families with several million dollars, decisions involving 401(k) distributions, concentrated stock, Social Security, Roth conversions, Medicare premiums, charitable giving, and investment taxes become increasingly interconnected.

Consider a hypothetical 62-year-old Lynchburg executive preparing to retire after a long career. Over the years, this individual and their spouse have accumulated approximately:

• $1.8 million in a 401(k)
• $1 million in a taxable investment account
• $600,000 in a concentrated stock position
• A home and other personal assets
• Future Social Security benefits

Their investable portfolio is approximately $3.4 million. On the surface, they appear well prepared for retirement—and they probably are. But having enough money and using it efficiently are two different questions. Retirement creates a valuable planning window, and several decisions need to be considered together.

1. What Should Happen to the $1.8 Million 401(k)?

The first decision is often whether to leave assets in the employer plan or roll them into an IRA. The bigger long-term issue is taxation: the full $1.8 million is tax-deferred, and as it continues to grow, future required minimum distributions could create substantial taxable income later in retirement. That raises the question of whether some of that tax should be paid earlier through strategic Roth conversions.

The years immediately following retirement can offer an attractive window for this. If our hypothetical executive retires at 62 but delays Social Security, taxable income may temporarily decline—and that gap between retirement and the start of Social Security and RMDs can make it worth intentionally recognizing income at today’s favorable rates, rather than simply minimizing taxes every single year.

2. Should Social Security Begin at 62, 67, or 70?

Social Security shouldn’t be viewed as an isolated decision. Delaying benefits increases future guaranteed income, but it also changes how the portfolio is used during the first several years of retirement—and for affluent retirees, delaying can open additional room for Roth conversions during lower-income years.

The right age depends on longevity expectations, spousal benefits, other income sources, portfolio size, and tax circumstances. The goal isn’t to maximize the monthly check. It’s to determine how Social Security fits into the family’s overall retirement-income and tax strategy.

3. What Should Be Done With $600,000 of Concentrated Stock?

A large stock position—whether from employer compensation or a long-held, low-cost-basis holding—creates its own challenge. Selling it all at once could trigger a significant capital-gains tax bill; holding it indefinitely may expose the family to unnecessary concentration risk.

The answer usually isn’t all-or-nothing. Depending on the circumstances, a diversification strategy might include selling shares over multiple tax years, coordinating gains with losses elsewhere in the portfolio, charitable gifting, donor-advised funds, or other tax-aware techniques. In certain situations, options strategies may also be part of managing a concentrated position. The objective is to balance the tax cost of diversifying against the investment risk of staying concentrated.

4. Medicare and IRMAA Can Change the Roth Conversion Calculation

At 65, Medicare adds another variable. Higher modified adjusted gross income can trigger IRMAA—Income-Related Monthly Adjustment Amounts—which raises Medicare Part B and Part D premiums.

That doesn’t make a Roth conversion that increases IRMAA a bad decision; it means the added Medicare cost needs to be part of the analysis. Paying more tax, and even higher premiums, today can still make sense if it produces a better long-term outcome. These decisions shouldn’t be evaluated independently.

5. How Should $1 Million in Taxable Investments Be Used?

A taxable account offers flexibility that tax-deferred accounts don’t. Depending on cost basis, only part of a withdrawal may be taxed as a capital gain—which can help fund living expenses while controlling taxable income and create room for Roth conversions or strategically realized gains in favorable tax years.

That’s why withdrawal sequencing matters. The traditional rule of thumb—spend taxable assets first, tax-deferred assets second, and Roth assets last—doesn’t always produce the best result. Coordinating all three account types based on the family’s tax situation each year usually works better.

6. Charitable Giving Can Become Part of the Tax Strategy

For charitably inclined families, giving can be integrated into the plan rather than handled separately. Donating highly appreciated securities instead of selling them can avoid capital-gains tax while still supporting causes the family cares about.

Later in retirement, qualified charitable distributions from IRAs offer another tax-efficient giving option, and a donor-advised fund can be useful during unusually high-income years. The objective isn’t to use every available strategy—it’s to identify which ones fit the family’s goals.

The Decisions Are Connected

This is where retirement planning for a $3 million-plus household becomes different from simply selecting investments—each decision affects the others:

• A Roth conversion can raise Medicare premiums.
• Selling concentrated stock changes the capital-gains tax owed.
• Delaying Social Security can open more room for Roth conversions.
• Charitable gifts can help diversify appreciated positions.
• Portfolio withdrawals influence which tax bracket a family lands in.
• Investment decisions affect estate and legacy planning.

Changing one part of the plan can affect several others. That’s why we believe investment management, retirement-income planning, and tax strategy should be considered together.

Wealth Management for Raleigh and Lynchburg Families

CharMarLine Wealth Management is an independent, fee-only registered investment adviser based in Lynchburg, Virginia, and also serving clients throughout the Raleigh-Durham Research Triangle in North Carolina. We typically work with families with $2 million or more in investable assets who are approaching retirement, already retired, or navigating increasingly complex financial decisions.

Our work may include:

• Investment and portfolio management
• Retirement-income planning
• Roth conversion analysis
• Tax-aware investment strategies
• Concentrated stock planning
• Required minimum distribution planning
• Qualified charitable distributions
• IRMAA and Medicare planning
• Charitable giving strategies
• Estate-planning coordination

Our goal isn’t simply to manage a portfolio. It’s to help clients understand how the different pieces of their financial lives fit together—and make informed decisions about their wealth.

Frequently Asked Questions

Should I do a Roth conversion before I start Social Security?

The years between retirement and the start of Social Security and required minimum distributions often bring temporarily lower taxable income, which can make it an efficient window for Roth conversions. Whether it makes sense depends on your tax bracket, other income, and long-term goals.

What is IRMAA, and how does it affect Roth conversions?

IRMAA (Income-Related Monthly Adjustment Amount) is a surcharge on Medicare Part B and Part D premiums triggered by higher modified adjusted gross income, generally starting at 65. A Roth conversion can push income high enough to trigger IRMAA, but that doesn’t automatically make the conversion a bad idea—the added premium cost just needs to be weighed against the long-term tax benefit.

Should I sell company stock before I retire?

Not necessarily all at once. Selling an entire concentrated position in one year can trigger a large capital-gains tax bill, while holding it indefinitely leaves you exposed to concentration risk. Many families diversify gradually over several tax years, coordinating gains with losses elsewhere in the portfolio.

What order should I withdraw from my retirement accounts?

The common rule of thumb—taxable accounts first, tax-deferred accounts second, and Roth accounts last—isn’t always optimal. Coordinating withdrawals across all three account types based on your tax situation each year, rather than following a fixed sequence, often produces a better result.

At what age should I start Social Security?

There’s no universal answer. It depends on longevity expectations, spousal benefits, other income sources, portfolio size, and tax circumstances. Delaying benefits increases future guaranteed income and can create additional room for Roth conversions during lower-income years, but it also changes how the portfolio is used early in retirement.

Preparing for Retirement?

If you’re approaching retirement with a significant 401(k), taxable investments, concentrated stock, or other financial complexities, the years around retirement are an especially important planning window—decisions made or missed here can be harder to revisit later.

Schedule an introductory conversation with CharMarLine Wealth Management to discuss your situation and whether we may be a good fit.

Disclosure

This example is hypothetical and presented for illustrative and educational purposes only. It does not represent an actual CharMarLine Wealth Management client or actual investment results and should not be interpreted as a guarantee or indication of future results. The strategies discussed may not be appropriate for every investor, and individual circumstances vary. CharMarLine Wealth Management does not provide tax or legal advice; tax and legal matters should be discussed with qualified professionals.