7 Mistakes You’re Making with Your 401(k) Rollover (and How to Fix Them)

For many professionals in the Texas Hill Country, a 401(k) represents decades of hard work, discipline, and deferred gratification. When you reach the finish line: retirement: deciding what to do with that accumulated wealth is one of the most critical moves you will make.

The "rollover" seems simple on paper: you move your money from your former employer’s plan into an Individual Retirement Account (IRA) or a new plan. However, the technicalities behind this move are fraught with hidden traps. A single oversight can lead to unnecessary taxes, IRS penalties, and lost growth potential.

As a Retirement Planner, I often see investors treat a rollover like a simple bank transfer. In reality, it is a strategic maneuver that requires the eye of a Financial Advisor to ensure your wealth remains protected and liquid.

Here are the seven most common mistakes retirees make with their 401(k) rollovers and how you can avoid them.


1. The "Indirect Rollover" Trap

The IRS offers two ways to move your money: a direct rollover and an indirect rollover.

In a direct rollover, the money moves from one custodian to another. The check is made payable to the new institution "for the benefit of" (FBO) you. In an indirect rollover, the check is made payable directly to you.

The Mistake: Choosing an indirect rollover often triggers an automatic 20% federal tax withholding. If you have $500,000 in your 401(k), the plan administrator sends you $400,000 and sends the other $100,000 to the IRS. To avoid taxes and penalties, you must then deposit the full $500,000 into your new account within 60 days.

How to Fix It: Always opt for a direct trustee-to-trustee transfer. This keeps the money out of your hands: and the hands of the IRS: during the transition, ensuring 100% of your capital continues to work for you.

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2. Missing the "Rule of 55"

Most retirees know they generally cannot touch their retirement funds before age 59½ without paying a 10% early withdrawal penalty. However, there is a special provision known as the "Rule of 55."

The Mistake: If you leave your job in or after the year you turn 55, you can often take penalty-free distributions from that specific 401(k). If you immediately roll that money into an IRA, you lose this privilege. IRAs generally do not follow the Rule of 55; you’ll have to wait until 59½ to access those funds penalty-free.

How to Fix It: Before initiating a rollover, consult with your Retirement Planner to determine if you need bridge income between age 55 and 59½. If so, leaving a portion of your funds in the old 401(k) might be the smarter strategic move.

3. The 60-Day Race

If you do find yourself in an indirect rollover, the clock starts ticking immediately.

The Mistake: You have exactly 60 days from the date you receive the distribution to get it into an eligible retirement account. If you miss this deadline: even by a day: the IRS considers the entire amount a taxable distribution. For a large 401(k), this could push you into the highest possible tax bracket and result in a massive, unnecessary tax bill.

How to Fix It: Avoid the race altogether by using direct transfers. If you must do an indirect rollover, treat that 60-day window as a hard deadline and complete the deposit in the first week.

4. Overlooking Net Unrealized Appreciation (NUA)

This is one of the most technical and frequently missed opportunities for those who hold company stock in their 401(k).

The Mistake: When you roll company stock into an IRA, all future withdrawals are taxed as ordinary income. However, if you use the NUA strategy, you can move the stock to a taxable brokerage account, pay ordinary income tax only on the original cost basis, and pay the lower long-term capital gains rate on the appreciation.

How to Fix It: If a significant portion of your 401(k) is in employer stock, do not roll it over until you have analyzed the NUA potential with a Financial Advisor. According to investopedia.com, the tax savings from NUA can be substantial, but the rules for execution are incredibly strict.

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5. The "Cash Drag" Trap

Once the money arrives in your new IRA, the work isn't done.

The Mistake: Many investors assume their money is automatically reinvested once the rollover is complete. In reality, the funds often sit in a "sweep account" or a cash settlement fund. If the market goes up while your $1 million is sitting in cash for three months, you’ve lost out on significant growth. This is known as "cash drag."

How to Fix It: Your Retirement Planner should have an investment strategy ready to go the moment the funds land. Whether it's a diversified portfolio of publicly traded stocks or high-quality fixed income, the goal is to keep your money working in liquid, transparent markets.

6. Mismatching Tax Status (Traditional vs. Roth)

With the rise of Roth 401(k) options, many retirees now have a mix of pre-tax and after-tax dollars.

The Mistake: Rolling Roth 401(k) funds into a Traditional IRA (or vice versa) can create a "tax bomb." If you accidentally roll pre-tax money into a Roth IRA without intending to do a conversion, you will owe income tax on the entire amount in the current year. Conversely, rolling Roth funds into a Traditional IRA complicates future tax-free withdrawals.

How to Fix It: Ensure you are rolling "like to like": Traditional 401(k) to Traditional IRA, and Roth 401(k) to Roth IRA. A professional review of your investment philosophy can help ensure these accounts stay properly segregated.

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7. Failing to Coordinate with Required Minimum Distributions (RMDs)

If you are age 73 or older, the IRS requires you to take a minimum amount out of your retirement accounts each year.

The Mistake: You cannot roll over an RMD. If you are at the age where RMDs are required, you must take your distribution before you roll over the remaining balance. If you roll over the entire account, including the RMD amount, it is considered an "excess contribution" to the IRA, which carries a 6% excise tax penalty every year it remains in the account.

How to Fix It: Coordinate with your Financial Advisor to calculate and distribute your RMD for the year before initiating any rollover paperwork.


Why a Retirement Planner is Essential

A 401(k) rollover is more than just moving money from Point A to Point B. It is an opportunity to redesign your portfolio for the next phase of your life. At Portafolio Capital Management dba Mau Sanchez Capital, we believe in a client-centric approach that focuses on liquidity, transparency, and cost efficiency.

We help our clients navigate these technical hurdles so they can focus on what matters most: enjoying the Texas Hill Country lifestyle they’ve worked so hard to achieve. Whether it's walking through historic Fredericksburg or enjoying a quiet evening overlooking a golf course, your financial peace of mind is our priority.

"The goal isn't just to retire; it's to stay retired with confidence." : Mau Sanchez

If you are approaching retirement and want to ensure your rollover is handled with precision, we are here to help.

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Schedule a call with a fiduciary financial advisor today: https://calendly.com/portafoliocapital/15min

Learn more about our approach at https://portafoliocapital.com/ or give us a call at (512) 593-8380.

Portafolio Capital Management dba Mau Sanchez Capital is a Registered Investment Adviser. This content is for informational purposes only and does not constitute investment advice or a solicitation to buy or sell any security. Advisory services are provided only pursuant to a written advisory agreement.


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