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Are Ghost Taxes Creeping Into Your University of Chicago Retirement Plan?

'Many University of Chicago employees underestimate how much “ghost taxes” can erode retirement income. Understanding these hidden thresholds today can help you make more thoughtful decisions for tomorrow’s financial well-being,' — Michael Corgiat, a representative of The Retirement Group, a division of Wealth Enhancement.

'Many University of Chicago employees are surprised by how quickly hidden taxes like AMT, NIIT, and IRMAA can reduce retirement income, making it important for retirees to stay informed and thoughtfully plan so these costs don’t catch them off guard.' — Brent Wolf, a representative of The Retirement Group, a division of Wealth Enhancement.

In this article, we will discuss:

The five “ghost taxes” that may unexpectedly impact retirement income.
How these taxes can affect University of Chicago employees and retirees.
Strategies to better understand and prepare for these tax implications.

How University of Chicago Employees Can Prepare for the Five “Ghost Taxes” That Could Haunt Retirement

There are several lesser-known surcharges and thresholds that may unexpectedly increase your tax bill in retirement, even if you already understand federal, state, and local tax obligations. These include the Alternative Minimum Tax (AMT), the Net Investment Income Tax (NIIT), the Medicare Income-Related Monthly Adjustment Amount (IRMAA), the Social Security “tax torpedo,” and the new senior deduction. Because many of these thresholds are not adjusted for inflation, they increasingly impact retirees, including those from University of Chicago.

1. AMT: Alternative Minimum Tax

The AMT is a parallel tax system designed to make sure higher-income individuals pay at least a minimum amount of taxes. It has its own tax brackets, forms, and rules, with a top rate of 28%. ¹ Some deductions available under the traditional tax system are limited under AMT rules.

For 2025, the AMT exemptions are:

- $88,100 for single filers (phasing out at $626,350)
- $137,000 for married couples filing jointly (phasing out at $1,252,700)

High income, exercising incentive stock options, large capital gains, or numerous itemized deductions may trigger AMT. Even though long-term capital gains receive preferential tax treatment, they can still reduce your AMT exemption. If AMT is paid in one year, a tax credit may be available in future years when AMT is not owed.

2. NIIT: Net Investment Income Tax

The NIIT applies a 3.8% tax on net investment income when modified adjusted gross income (MAGI) exceeds:

- $200,000 for single filers
- $250,000 for married couples filing jointly ²

This tax applies to dividends, interest, rental income, gains from home sales, and capital gains beyond exclusion limits. Withdrawals from 401(k)s and traditional IRAs are not directly taxed by NIIT, but they may increase MAGI and cause other investment income to be taxed.

Strategies to limit exposure include contributing to traditional retirement accounts, using health savings accounts (HSAs), and tax-loss harvesting. For instance, tax-loss harvesting allows you to use up to $3,000 in capital losses annually to offset ordinary income. ³

For individuals age 70½ or older looking to reduce MAGI, qualified charitable distributions (QCDs) may help. QCDs allow you to donate to qualified charities on a tax-free basis directly from your IRA, satisfying required minimum distribution (RMD) rules without bringing distributions into income. In 2025, up to $108,000 may be donated tax-free. ⁴

3. IRMAA: Income-Related Monthly Adjustment Amount

IRMAA adds a surcharge to Medicare Parts B and D premiums for higher-income retirees and is based on MAGI from two years prior.

For 2025, IRMAA applies when MAGI exceeds:

- $106,000 for single filers
- $212,000 for married couples filing jointly

Even a small increase above these limits can place retirees in a higher premium bracket. Tax-exempt interest from municipal bonds is included in MAGI for IRMAA purposes. Premiums and IRMAA can be deducted from Social Security payments or paid directly. Social Security allows individuals experiencing major life changes, such as retirement or death of a spouse, to request revised IRMAA calculations.

4. The Social Security “Tax Torpedo”

Social Security benefits may be taxable depending on “provisional income,” which includes:

- Adjusted gross income
- Non-taxable interest
- One-half of Social Security benefits

If provisional income exceeds:

- $34,000 for single filers
- $44,000 for married couples filing jointly

...then up to 85% of Social Security benefits may be taxable. ⁵

Delaying Social Security up to age 70 increases benefits by 8% per year beyond full retirement age.

5. The 2025–2028 New Senior Deduction

From 2025 to 2028, individuals age 65 and older may qualify for a new senior deduction:

- $6,000 for single filers
- $12,000 for married couples filing jointly

This deduction phases out at:

- $75,000 MAGI for single filers
- $150,000 MAGI for joint filers

This is separate from the standard senior deduction, which currently adds $2,000 for individuals or $3,200 for married couples age 65 or older.

Need Help Navigating These Taxes?

Understanding how AMT, NIIT, IRMAA, Social Security rules, and senior deductions affect retirement income can be complex, especially for University of Chicago retirees managing pensions, 401(k)s, and other investments. The Retirement Group can help you better understand how these tax considerations relate to your retirement planning. Call (800) 900-5867 for guidance.

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Articles you may find interesting:

Sources:

1. Tax Foundation. “ 2026 Tax Brackets .” 9 Oct. 2025.

2. Gravelle, Jane G., and Don J. Marples. The 3.8% Net Investment Income Tax: Overview, Data, and Policy Options . Congressional Research Service, 30 June 2023, crsreports.congress.gov/product/pdf/R/R41413.

3. IRS. ' Topic no. 409, Capital gains and losses .' 12 Sep. 2025.

4. Wealth Enhancement. ' 7 Tax Moves to Consider Before The End of The Year ,' by Mary Taliaferro, CFP. Nov. 5, 2025.

5. Investopedia. ' Provisional Taxes: What They Are and How They Work ,' by Julia Kagan. 4 Sep. 2025.

What are the eligibility criteria for participation in the SEPP plan for employees of The University of Chicago, and how can factors like years of service and age impact an employee's benefits under this plan? Discuss how these criteria might have changed for new employees post-2016 and what implications this has for retirement planning.

Eligibility Criteria for SEPP: Employees at The University of Chicago become eligible to participate in the SEPP upon meeting age and service requirements: being at least 21 years old and completing one year of service. For employees hired after the plan freeze on October 31, 2016, these criteria have been crucial in determining eligibility for newer employees, impacting their retirement planning as they do not accrue benefits under SEPP beyond this freeze date.

In what ways does the SEPP (Staff Employees Pension Plan) benefit calculation at The University of Chicago reflect an employee's years of service and final average pay? Examine the formulas involved in the benefits determination process, including how outside factors such as Social Security compensation can affect the total pension benefits an employee receives at retirement.

Benefit Calculation Reflecting Service and Pay: The SEPP benefits are calculated based on the final average pay and years of participation, factoring in Social Security covered compensation. Changes post-2016 have frozen benefits accrual, meaning that current employees’ benefits are calculated only up to this freeze date, affecting long-term benefits despite continued employment.

How can employees at The University of Chicago expect their SEPP benefits to be paid out upon their retirement, especially in terms of the options between lump sum distributions and annuities? Analyze the advantages and disadvantages of each payment option, and how these choices can impact an employee's financial situation in retirement.

Payout Options (Lump Sum vs. Annuities): Upon retirement, employees can opt for a lump sum payment or annuities. Each option presents financial implications; lump sums provide immediate access to funds but annuities offer sustained income. This choice is significant for financial stability in retirement, particularly under the constraints post the 2016 plan changes.

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Spousal Rights in SEPP Benefits: Spouses have rights to pension benefits, requiring spousal consent for altering beneficiary arrangements under the SEPP. Changes post-2016 do not impact these rights, but understanding these is vital for making informed decisions about pension benefits and beneficiary designations.

As an employee nearing retirement at The University of Chicago, what considerations should one keep in mind regarding taxes on pension benefits received from the SEPP? Explore the tax implications of different types of distributions and how they align with current IRS regulations for the 2024 tax year.

Tax Considerations for SEPP Benefits: SEPP distributions are taxable income. Employees must consider the tax implications of their chosen payout method—lump sum or annuities—and plan for potential tax liabilities. This understanding is crucial, especially with the plan’s benefit accrual freeze affecting the retirement timeline.

What resources are available for employees of The University of Chicago wishing to understand more about their retirement benefits under SEPP? Discuss the types of information that can be requested from the Benefits Office and highlight the contact methods for obtaining more detailed assistance.

Resources for Understanding SEPP Benefits: The University provides resources for employees to understand their SEPP benefits, including access to the Benefits Office for personalized queries. Utilizing these resources is essential for employees, especially newer ones post-2016, to fully understand their retirement benefits under the current plan structure.

How does The University of Chicago address benefits for employees upon their death, and what provisions exist for both spouses and non-spouse beneficiaries under the SEPP plan? Analyze the specific benefits and payment structures available to beneficiaries and the conditions under which these benefits are distributed.

Posthumous Benefits: The SEPP includes provisions for spouses and non-spouse beneficiaries, detailing the continuation or lump sum payments upon the death of the employee. Understanding these provisions is crucial for estate planning and ensuring financial security for beneficiaries.

What factors ensure an employee remains fully vested in their pension benefits with The University of Chicago, and how does the vesting schedule affect retirement planning strategies? Consider the implications of not fulfilling the vesting criteria and how this might influence decisions around employment tenure and retirement timing.

Vesting and Retirement Planning: Vesting in SEPP requires three years of service, with full benefits contingent on meeting this criterion. For employees navigating post-2016 changes, understanding vesting is crucial for retirement planning, particularly as no additional benefits accrue beyond the freeze date.

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Impact of QDROs on SEPP Benefits: SEPP complies with Qualified Domestic Relations Orders, which can allocate pension benefits to alternate payees. Understanding how QDROs affect one’s benefits is crucial for financial planning, especially in the context of marital dissolution.

How can employees at The University of Chicago, who have questions about their benefits under the SEPP plan, effectively communicate with the Benefits Office for clarity and assistance? Specify the various communication methods available for employees and what kind of information or support they can expect to receive.

Communicating with the Benefits Office: Employees can reach out to the Benefits Office via email or phone for detailed assistance on their SEPP benefits. Effective communication with this office is vital for employees to clarify their benefits status, particularly in light of the post-2016 changes to the plan.