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Section 382: A CFO’s Guide to Protecting NOLs and Managing Ownership Shifts

by Al Brink

July 13, 2026 Transaction Services, Transaction Tax Planning

For CFOs and other C Corporation financial leaders, tax attributes like net operating losses (NOLs) are more than an accounting line item; they are a strategic asset. When used effectively, NOLs reduce taxes, improve liquidity and enhance valuation. However, Internal Revenue Code Section 382 can significantly limit that value following an ownership change. If you are planning anything from a capital raise to a potential M&A acquisition, or even simply managing ongoing equity activity, you will want a clear understanding of Sec. 382 to protect your balance sheet and avoid unintended tax consequences.

What Is Internal Revenue Code Section 382?

Sec. 382 governs the use of a corporation’s tax attributes — such as NOLs, general business credits, capital loss carryforwards and Sec. 163(j) interest expense carryforwards — following a change in ownership. An ownership change occurs when more than 50% of the value of a corporation’s stock ownership shifts among 5% shareholders over a rolling three-year testing period. Importantly, this threshold can be triggered by cumulative equity movements, not just a single transaction.

Common triggering events include:

  • Issuing new equity to investors
  • Stock redemptions or buybacks
  • Conversion of debt into equity
  • Exercise of options, warrants or convertible instruments

It’s important to note that even routine equity activity can accumulate into an ownership change if not properly monitored.

How Does the Sec. 382 Limitation Work?

Following an ownership change, the corporation calculates an annual limitation on the use of pre-change tax attributes. Key considerations include:

  • Base limitation: Pre-change equity value (subject to certain statutory adjustments) × IRS long-term tax-exempt rate (published monthly by the IRS)
  • Built-in gains and losses: May increase or decrease allowable usage
  • Carryforward of unused limitation: Unused annual limitation carries forward
  • Separate tracking: Pre-change and post-change tax attributes must be tracked independently

This complexity makes Sec. 382 an ongoing compliance and planning issue, not only a one-time calculation.

Why Sec. 382 Matters for Your C Corporation

Protect Net Operating Losses (NOLs)

NOLs allow corporations to offset future taxable income, reducing cash tax obligations. Sec. 382 imposes an annual limitation on how much of those losses can be used following an ownership change. The limitation is generally calculated as:

Equity value immediately prior to the ownership change (subject to certain statutory adjustments) × IRS long-term tax-exempt rate for the month of the ownership change

For companies with significant NOL balances, this limitation can dramatically slow utilization and reduce the present value of those tax assets.

Impact on Cash Flow and Liquidity

When NOL usage is restricted:

  • Cash taxes increase
  • Free cash flow decreases
  • Capital allocation flexibility may tighten

For growth-stage or capital-intensive businesses, this can materially affect financial planning.

Financial Reporting and Valuation Implications

Sec. 382 directly affects deferred tax assets, which are often a key component of enterprise value. Limitations may require:

  • Establishing or increasing valuation allowances
  • Establishing reserves against overutilized tax attributes
  • Revising earnings forecasts
  • Adjusting deal pricing in M&A transactions

Buyers and auditors routinely assess Sec. 382 exposure during diligence, making early analysis critical.

Transaction and Deal Risk

Sec. 382 plays a central role in:

  • M&A transactions
  • Private equity investments
  • IPO readiness and public offerings
  • Corporate restructurings

Failure to evaluate ownership change rules before executing a transaction can lead to unexpected tax limitations and reduced deal value.

Common Misconceptions About Sec. 382

“We Didn’t Sell the Company Outright, So It Doesn’t Apply”

Sec. 382 is not limited to full acquisitions. Incremental ownership shifts over time can trigger an ownership change without a formal sale.

“Our Cap Table Tells Us Everything We Need to Know”

Cap tables only provide a snapshot at a moment in time; therefore, cap table tracking alone does not satisfy Sec. 382 requirements. The rules require:

  • Identification of all 5% shareholders during the analysis period
  • Aggregation of less than 5% shareholders
  • Identification of individual equity events
  • Aggregation of ownership shifts
  • Application of complex testing methodologies

For private corporations, the tracking of equity events, and therefore ownership shifts, generally requires access to stock ledgers, as opposed to cap tables.

“NOL Carryforwards Are Guaranteed Value”

NOLs only create value if they can be used. Sec. 382 can significantly defer or limit that benefit, impacting both cash flow and valuation.

When to Perform a Sec. 382 Analysis

For corporations in a taxable income position, or that plan to be in a taxable income position, it’s important to prioritize a Sec. 382 study in the following scenarios:

  • Capital Raises and Equity Issuances: New investors can quickly shift ownership percentages, especially when concentrated among large stakeholders.
  • Ownership Transitions: Founder exits, secondary transactions or private equity investments often contribute to ownership change thresholds.
  • M&A and Strategic Transactions: Pre-transaction modeling helps quantify the impact of ownership changes and informs deal structuring, pricing and negotiations.

Best Practices for Sec. 382 Compliance and Planning

1. Conduct a Formal Sec. 382 Study

A Sec. 382 study provides a detailed analysis of historical ownership shifts and determines whether limitations apply to the use of tax attributes. It also quantifies the amount of tax attributes available for future use. Failing to conduct a study can result in unintentionally reducing the value of a key balance sheet asset or creating cash tax exposure due to the overutilization of impaired attributes.

2. Implement Ongoing Ownership Monitoring

To avoid surprises, establish processes to:

  • Track changes in equity ownership
  • Monitor movements among 5% shareholders
  • Update analyses regularly

Monitoring is particularly important for companies with frequent equity activity or evolving investor bases. Once the initial ownership shift analysis is completed, performance of regular updates can generally be done quickly and cost efficiently.

3. Model Tax Impacts Before Transactions

Before executing a transaction, your tax team should evaluate:

  • Whether the transaction triggers an ownership change
  • The existence of historical ownership changes
  • The resulting Sec. 382 limitations
  • The impact on cash taxes and financial projections

Proactive modeling enables better decision-making and may allow for alternative structuring.

4. Integrate Tax Strategy with Corporate Planning

Sec. 382 should not operate in a silo. Align tax, finance and corporate development teams to ensure:

  • Early identification of risks
  • Coordination during deal structuring and negotiation
  • Consistent financial reporting treatment
5. Maintain Audit-Ready Documentation

Proper documentation supports:

  • Tax return positions
  • Financial statement disclosures
  • IRS audit defense

A well-documented Sec. 382 analysis reduces risk and increases confidence among stakeholders.

Key Takeaways

Sec. 382 should be a central consideration for any C Corporation with NOLs or other tax attributes, as it can materially influence cash flow, financial reporting and the outcome of key transactions. To protect and preserve this value, companies need to take a proactive, disciplined approach to understanding their Sec. 382 exposure, performing regular ownership shift analyses, modeling the tax impact of equity transactions before execution and embedding tax considerations into broader strategic decision-making.

NOLs and related tax attributes can be powerful financial assets, but only if they remain available. By staying ahead of potential limitations, organizations can safeguard these benefits while confidently pursuing growth and investment.

Contact Al Brink or a member of your service team to discuss this topic further.

In this blog Cohen & Co is not rendering legal, accounting, investment, tax or other professional advice. Rather, the information contained in this blog is for general informational purposes only. Any decisions or actions based on the general information contained in this blog should be made or taken only after a detailed review of the specific facts, circumstances and current law with your professional advisers.

About the Author

Al Brink, JD, LLM

Partner, Cohen & Co Advisory, LLC
abrink@cohenco.com
445.269.2368
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