What Happens to Your Retirement When You Leave a Job?

When you leave a job, the money you contributed to your 401(k) or 403(b) is always fully yours, but what happens to your retirement when you leave a job depends on vesting, the size of your balance, whether you have an outstanding plan loan, and which of four options you choose for the account. Federal law under the Employee Retirement Income Security Act requires plan assets to be held separately from your employer’s business, so creditors cannot touch your retirement funds even if the company goes under.¹ The decisions you make in the weeks after leaving, though, can cost you thousands if you handle them wrong.

What You Keep and What You Can Forfeit

Every dollar you put in yourself is 100 percent yours the day it hits the account, along with any earnings on it.² Employer contributions are different. Matching funds and profit-sharing deposits follow a vesting schedule that decides how much of that money you get to walk away with.

Most 401(k) plans use one of two structures. Under cliff vesting, you own none of the employer money until you cross a milestone, typically three years, at which point you jump to 100 percent. Under graded vesting, ownership builds gradually over six years: 20 percent after two years, then another 20 percent each year until you are fully vested at year six.²

If you leave before you are fully vested, you forfeit the unvested portion of employer contributions. Before you resign, pull your most recent statement or call the plan administrator and find out exactly where you stand. Waiting a few extra months could mean keeping thousands of additional dollars.

Your Four Options for the Account Balance

Once you separate, you generally have four choices for the money.

Leave it in the old plan. If your balance is above $7,000, most plans let you keep the account where it is. This makes sense when the plan has low fees and investment options you like, though you cannot make new contributions.

Roll it into your new employer’s plan. If your new job offers a 401(k) or 403(b) that accepts incoming rollovers, you can consolidate everything in one place.³

Roll it into an IRA. Moving the money to a traditional IRA — or a Roth IRA if you are rolling Roth 401(k) funds — gives you broader investment choices and preserves the tax-advantaged status.³

Cash it out. You can take the balance as a check, but mandatory withholding plus a potential penalty can strip more than 30 percent off the top before state taxes.

Cashing out is almost always the most expensive path. The mechanics of the alternatives, and the reasons cashing out hurts so much, follow below.

When the Plan Moves the Money Without Asking You

If your balance is small, you may not get a choice. Under rules updated by the SECURE 2.0 Act, employers can distribute the balance without your consent when it falls below certain thresholds.⁴

If the balance is under $1,000, the plan can send a check directly to you, minus 20 percent federal tax withholding.
If the balance is between $1,000 and $7,000 and you do not tell the plan what to do, it must automatically roll the money into an IRA the plan administrator picks.⁴

The $7,000 threshold was raised from $5,000 by Section 304 of SECURE 2.0, effective for distributions after December 31, 2023. A default IRA chosen by your former employer often carries higher fees and narrower investment choices than one you would pick yourself. If you know you are leaving with a small balance, get ahead of this and initiate your own rollover.

If You Have an Outstanding 401(k) Loan

Borrowed from your 401(k)? The remaining loan balance generally becomes due when you leave. If you cannot repay it, the plan treats the unpaid amount as a distribution, which means income tax on the balance and possibly a 10 percent penalty if you are under 59½.⁵

You do have a window to fix this. You can roll over an amount equal to the outstanding loan balance into an IRA or another eligible plan by the due date of your federal tax return for the year, including extensions.⁵ If you leave in 2026 with a $15,000 unpaid balance, you have until April 15, 2027, or October 15, 2027 with an extension, to deposit $15,000 into an IRA. Miss the deadline and the full amount becomes taxable for 2026.

What Cashing Out Actually Costs

Two separate hits apply when you take the money in cash. First, the plan administrator is required by law to withhold 20 percent of the distribution for federal income tax before releasing the funds.⁶ The withholding kicks in only when the check is made payable to you rather than rolled directly to another retirement account.

Second, if you are younger than 59½, you generally owe an additional 10 percent early withdrawal penalty on the taxable portion.⁷ On a $50,000 cash-out, that is $10,000 withheld and another $5,000 in penalty, leaving $35,000 before state taxes. Your actual federal tax bill at filing time may be higher or lower than the 20 percent withheld, depending on your total income for the year.

The Rule of 55

One exception can eliminate the 10 percent penalty. If you leave your job during or after the calendar year you turn 55, distributions from that employer’s plan are penalty-free. For public safety employees — including firefighters, law enforcement officers, and corrections officers — the age drops to 50.⁸

Two limits apply. The exception covers only the plan at the employer you most recently separated from, not older 401(k) accounts from previous jobs. And it applies only to qualified employer plans, not IRAs. Roll the money into an IRA first and you lose access to it, so the order of your decisions matters.

Other Penalty Exceptions

The 10 percent penalty also does not apply for distributions taken because of total disability, distributions to a beneficiary after the account holder’s death, amounts paid to a former spouse under a qualified domestic relations order, and certain emergency expenses added by SECURE 2.0.⁸ The IRS maintains the full list, and qualifying for one can save thousands.

How a Rollover Actually Works

A rollover moves your retirement savings from one account to another without triggering taxes or penalties. There are two ways to do it, and the difference matters.

Direct Rollover

In a direct rollover, the old plan sends the money straight to the new account. The check is typically made payable to the receiving institution “for benefit of” you, so the funds never touch your personal bank account.³ Because the money goes directly to the new custodian, no taxes are withheld. This is the simplest and safest method, and it is what most people should use.

Indirect Rollover

In an indirect rollover, the plan sends the money to you. You then have 60 days to deposit the full distribution amount into a new qualified account.³ Here is the catch: the plan must still withhold 20 percent when it cuts the check to you.⁶ To complete a full rollover and avoid taxes on the withheld portion, you have to make up the difference from your own pocket. If your balance is $50,000 and the plan withholds $10,000, you receive $40,000 but need to deposit the full $50,000 into the new account within 60 days. You recover the $10,000 when you file your tax return, but you need the cash up front.

Miss the 60-day deadline and the undeposited amount becomes a taxable distribution, potentially subject to the 10 percent penalty on top.⁹ The IRS can waive the deadline in limited circumstances, such as bank error or hospitalization, but approval is not guaranteed.

Roth 401(k) and Roth 403(b) Accounts

If you have a designated Roth 401(k) or Roth 403(b), the rollover mechanics are the same but the destination is not. Roth employer-plan money should go into a Roth IRA to preserve its tax-free status. Rolling Roth 401(k) money into a traditional IRA is not permitted; it has to go to a Roth IRA or another employer plan that accepts Roth contributions.

Watch the five-year clock. Roth IRA withdrawals of earnings are tax-free and penalty-free only after you have held any Roth IRA for at least five years and are 59½ or older. When you roll a Roth 401(k) into a Roth IRA, the clock is based on when you first funded any Roth IRA, not when you started your Roth 401(k). If you have never had a Roth IRA before the rollover, the clock starts on January 1 of the year you complete it. Opening a Roth IRA with even a small contribution before the rollover can start that clock sooner.

Company Stock in Your 401(k)

If your 401(k) holds employer stock, a tax provision called net unrealized appreciation (NUA) may save you money. Instead of rolling the shares into an IRA, you can transfer them into a regular taxable brokerage account as part of a lump-sum distribution.¹⁰

Under this treatment, you pay ordinary income tax only on the original cost basis of the stock, meaning the price at which the shares were purchased inside the plan. The growth above that cost basis, the net unrealized appreciation, is not taxed until you sell the shares. When you do sell, the gain qualifies for long-term capital gains rates regardless of how long you held the shares after distribution.¹⁰ Because the top long-term capital gains rate is well below the top ordinary income rate, the savings can be substantial when the stock has appreciated significantly.

NUA treatment requires a lump-sum distribution of your entire account balance within a single tax year, triggered by separation from service, reaching 59½, disability, or death. It makes the most sense when the cost basis is low relative to the current share price. If the stock has not appreciated much, a standard IRA rollover is simpler and roughly as efficient.

Update Your Beneficiary Designations

Leaving a job is a natural moment to check who would inherit your retirement accounts. Beneficiary forms on a 401(k) or IRA override your will. If you named an ex-spouse years ago and never updated the form, that ex-spouse gets the account, regardless of what your will says.

For 401(k) and 403(b) plans, federal law makes your spouse the default beneficiary. To name anyone else, your spouse must consent in writing, witnessed by a plan representative or notary.¹¹ A verbal agreement or unsigned form does not count. IRAs are not subject to the same spousal-consent rule under federal law, though some states apply community-property protections.

When you roll funds from an old plan into an IRA or a new employer’s plan, you have to complete a new beneficiary designation with the receiving institution. The beneficiary from your old plan does not carry over automatically.

Your HSA Is Separate

A health savings account is not a retirement account, but people often lump it in when they think about leaving a job. Unlike a 401(k), your HSA is yours immediately with no vesting, including whatever your employer contributed. When you leave, the HSA stays in your name and you can continue using the funds for qualified medical expenses whether or not you have new health coverage.

You can only make new HSA contributions if you are enrolled in a high-deductible health plan. If your new employer does not offer one, contributions must stop until you re-enroll in a qualifying plan. Existing balances roll over indefinitely.

Watch fees. Employers often negotiate reduced administrative charges for their employees’ HSAs, and those discounts can disappear once you leave. Former employees sometimes face monthly maintenance fees, paper-statement fees, or account-closure fees that eat away at the balance over time.¹² You can transfer the HSA to a cheaper custodian through a trustee-to-trustee transfer, with no tax consequence.

Traditional Pensions

If your employer offered a traditional pension (a defined benefit plan), your vested benefits are protected under the same federal vesting rules that cover 401(k) accounts.² Cliff vesting for a defined benefit plan may require up to five years of service, longer than the three years typical for a 401(k). Once you are vested, the benefit is yours even if you leave decades before retirement age.

Your options depend on the plan. Some plans allow a lump-sum distribution that you can roll into an IRA, preserving the tax deferral. Others require you to leave the benefit in place and begin drawing monthly payments at the plan’s normal retirement age. If a lump sum is offered, compare its present value against the projected lifetime income from monthly payments. The right answer depends on your age, health, other savings, and how comfortable you are managing a large sum yourself.

Before you leave, ask the plan administrator for a benefit statement showing your vested amount, your earliest eligible payment date, and whether a lump-sum option exists. Keep that documentation. Companies change administrators, get acquired, and rebrand, and having a paper record makes claiming the benefit years later much easier.

1
U.S. Department of Labor. FAQs About Retirement Plans and ERISA
2
Office of the Law Revision Counsel. 29 USC 1053 – Minimum Vesting Standards
3
Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions
4
Internal Revenue Service. IRS Notice 2026-13 – Safe Harbor Explanations for Eligible Rollover Distributions
5
Internal Revenue Service. Retirement Topics – Loans
6
Office of the Law Revision Counsel. 26 USC 3405 – Special Rules for Pensions, Annuities, and Certain Other Deferred Income
7
Office of the Law Revision Counsel. 26 USC 72 – Annuities and Certain Proceeds of Endowment and Life Insurance Contracts
8
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
9
Internal Revenue Service. Retirement Plans FAQs Relating to Waivers of the 60-Day Rollover Requirement
10
Office of the Law Revision Counsel. 26 USC 402 – Taxability of Beneficiary of Employees Trust
11
Office of the Law Revision Counsel. 29 USC 1055 – Requirement of Joint and Survivor Annuity and Preretirement Survivor Annuity
12
FDIC. Health Savings Accounts