How Are RSUs, Stock Options, and Deferred Compensation Divided in a Divorce?

Executive compensation earned during a marriage, including restricted stock units (RSUs), stock options, and nonqualified deferred compensation (NQDC), is generally marital or community property subject to division in divorce, even if it has not vested yet. How much of it counts as marital, how it gets valued, and how it actually changes hands are three separate questions, and each one has a different answer depending on the type of award. A pension has a QDRO. Equity compensation does not work that way, and treating it like it does is an expensive mistake we see in these settlements.

The rules differ across four types of awards: RSUs, incentive stock options (ISOs), nonqualified stock options (NSOs), and NQDC. Each is classified, valued, and taxed on its own terms, and the coverture formula or transfer rule that applies to one often does not apply to another.

Last reviewed September 2026. This is general education, not legal or tax advice. Executive compensation plans vary by employer, and the law varies by state. Work with your CDFA, your divorce attorney, and your tax advisor before finalizing how any of these awards are divided.

What Counts as Executive Compensation in a Divorce?

Four types of awards show up most often in these cases, and they are taxed and transferred in four different ways.

The "transferable or not" column is where most settlements go wrong, and it depends entirely on which of the four types above is on the table.

Is Unvested Equity Marital Property?

In most states, yes. The majority rule is that equity compensation earned during the marriage is marital or community property whether or not it has vested by the time the divorce is finalized. The question courts actually ask is not "has this vested," but "was this earned for work performed during the marriage."

Ohio follows this majority approach. The Ohio Supreme Court held in Daniel v. Daniel, 139 Ohio St.3d 275 (2014-Ohio-1161), that vesting is not required for an employment benefit to count as marital property when it was earned during the marriage. Ohio courts had already rejected the argument that unvested, contingent benefits are "too speculative" to divide in Lemon v. Lemon, 42 Ohio App.3d 142 (4th Dist. 1988). The statutory framework for dividing all marital property, vested or not, is Ohio Revised Code 3105.171.

Not every state draws the line the same way. Some states, including Colorado, extend marital-property protection only to options that have already vested by the relevant date, leaving unvested awards as the employee spouse's separate property. This is one of the first things to confirm with a local attorney, since it changes the entire analysis.

How Do You Calculate the Marital Share? The Coverture Fraction

Once an award is confirmed as at least partly marital, the next question is how much of it is marital. Courts answer this with a time-rule, or coverture fraction, that compares how long the award was earned during the marriage against how long it took to earn in total.

Two formulas, developed in California case law and widely referenced by courts elsewhere applying similar time-rule reasoning, cover most fact patterns:

• The Hug formula applies when an award was granted mainly for past or present service, meaning the employer was rewarding work already done. The fraction runs from the employee's hire date (or the start of the relevant service period) through the date of separation, divided by the period from that same start date through the vesting date.
• The Nelson formula applies when an award was granted mainly as an incentive for future service, meaning the employer was paying to retain the employee going forward. The fraction runs from the grant date through separation, divided by the period from the grant date through vesting.

The difference matters more than it looks. Because Nelson starts the clock at the grant date instead of the hire date, it excludes the pre-grant years and produces a smaller marital share. Whichever formula applies, the same amount of stock can be divided very differently depending on which one a court adopts, sometimes by hundreds of thousands of dollars on a single grant.

A simplified, hypothetical example: Suppose an employee is hired in January 2018, granted an RSU award in January 2022 that vests in January 2026, and the couple separates in January 2025. Under Hug, the fraction is 84 months (hire to separation) over 96 months (hire to vesting), or 87.5% marital. Under Nelson, the fraction is 36 months (grant to separation) over 48 months (grant to vesting), or 75% marital. Same facts, same grant, a 12.5 percentage point swing depending on which formula the court applies.

Which formula controls generally turns on how the grant documents describe the award's purpose, which is one more reason the grant paperwork itself, not just the account statement, belongs on the document list for anyone with equity compensation going through a divorce.

How Are RSUs, ISOs, and NSOs Valued?

Courts use one of three approaches, and which one applies often depends on whether the award has already vested.

Intrinsic value. Current market price minus the exercise price, for options. RSUs are simply valued at market price, since there is no exercise cost to subtract. This method is simple to calculate, but it ignores volatility, vesting risk, and the possibility that the stock price at the moment of divorce is not representative of its value a year later.

Black-Scholes. An option-pricing formula that factors in the exercise price, time to expiration, current stock price, a risk-free interest rate, and the stock's volatility. Courts that accept it treat it as a reasonable measure for actively traded stock, though its accuracy depends heavily on the volatility and time-to-expiration assumptions plugged into it. Some courts decline to use it for unvested, nontransferable options on the theory that a pricing model built for a functioning market does not translate well to an asset the holder cannot actually sell.

Deferred, "if, as, and when" distribution. Rather than valuing the award today, the court retains jurisdiction and the former spouse receives their calculated share only when the award vests and pays out. This avoids speculation about a stock's future price entirely, and it is the approach many courts prefer for awards that are still years from vesting.

Why a QDRO Does Not Cover Any of This

A Qualified Domestic Relations Order is a mechanism created under ERISA to divide qualified retirement plans, meaning 401(k)s, pensions, and similar employer plans. It has no application to RSUs, stock options, or nonqualified deferred compensation, because none of those are ERISA-qualified retirement plans. A plan administrator has no legal basis to honor a QDRO directed at equity compensation, and sending one is a wasted step.

What replaces it depends on the award, and this is where the four types stop behaving alike:

• RSUs generally cannot be reassigned to anyone outside the plan. The employee spouse is taxed at vesting regardless of what the settlement says, since they are the only person the plan recognizes. The former spouse's share is then paid out afterward, under whatever formula the settlement specifies, as a transfer of already-taxed value rather than a separate taxable event to them.
• NSOs can be assigned directly to a former spouse before exercise. Under IRS Revenue Ruling 2002-22, this kind of transfer incident to divorce qualifies for Section 1041 nonrecognition treatment, meaning the transferring spouse owes no tax on the assignment itself. The former spouse then owes ordinary income tax when they exercise, exactly as the original employee would have.
• ISOs cannot be assigned without losing ISO status. Federal tax law requires an ISO to remain exercisable only by the original employee during their lifetime. Assigning it to a former spouse automatically converts it into a nonqualified option, which erases the preferential capital-gains treatment. In practice, this means the employee spouse typically keeps the ISOs and either exercises them and pays the former spouse their share of the after-tax proceeds, or the parties offset the ISOs' value against other marital assets instead of dividing the options themselves.
• NQDC is divided through language in the settlement agreement itself, sometimes called a "transfer incident to divorce" order, rather than a QDRO. Because these plans are unfunded, the former spouse also carries the same credit risk the employee does if the employer becomes insolvent before payout, which is worth naming explicitly in the agreement.

The same Revenue Ruling extends to NQDC. A former spouse who receives assigned deferred compensation pays ordinary income tax when the payment is made, the same way the NSO rule applies at exercise. IRS Notice 2002-31 adds one more wrinkle that applies to both. Social Security and Medicare taxes on that income stay attributed to the original employee spouse, since the underlying services were theirs, even though the income itself is taxed to the former spouse. The employer typically reports the employee's employment taxes on the employee's W-2 and the former spouse's income and withholding on a 1099.

Where Section 83(b) Elections Come In

A Section 83(b) election lets someone who receives actual restricted stock, meaning real shares subject to a vesting or forfeiture condition, pay tax on the value of those shares now, at grant, instead of later, at vesting. It has to be filed within 30 days of the grant, with no exceptions for a pending divorce or anything else.

Here's the detail that trips people up. RSUs are not eligible for an 83(b) election at all. An RSU is a promise to deliver shares later, not an actual transfer of stock now, and the election only applies to property that has already changed hands. If an equity award described in a settlement is restricted stock rather than RSUs, the 83(b) decision, whether it was already made and when, changes what the marital estate holds and when tax comes due on it, and it is worth confirming which one is on the table before assuming either way.

Related Reading

Executive compensation is one piece of a larger financial picture in divorce. These guides cover the rest:

• How to Divide a 401(k) in a Divorce, for the QDRO process that does apply to qualified retirement plans
• What Is a QDRO?, for what a QDRO costs, how long it takes, and who drafts one
• Which Retirement Accounts Should You Keep in a Divorce?, for how to compare a retirement account against other assets on an after-tax basis
• The Divorce Document Checklist, for the full list of statements, grant agreements, and plan documents to gather before your financial analysis starts

Frequently Asked Questions

Is my spouse's unvested stock marital property?

In most states, yes, if it was earned for work performed during the marriage. Ohio courts have held that vesting is not required for an award to count as marital property. A minority of states protect only already-vested awards, so this depends on where you file.

Can a QDRO divide my spouse's stock options?

No. QDROs only apply to ERISA-qualified retirement plans like 401(k)s and pensions. Stock options, RSUs, and deferred compensation are divided through the settlement agreement itself, not a QDRO.

What happens if ISOs are awarded to the non-employee spouse in a divorce?

They cannot legally stay ISOs. Assigning an incentive stock option to anyone other than the original employee, including a former spouse, converts it into a nonqualified stock option and eliminates the favorable capital-gains treatment. Most settlements instead have the employee spouse exercise the ISOs and pay the other spouse their share of the after-tax proceeds, or offset the ISOs' value against other assets.

Who pays the tax when RSUs or stock options divided in divorce are eventually exercised or vest?

It depends on the award. An NSO assigned to a former spouse is taxed to that former spouse when they exercise it, under the same rules that would have applied to the original employee. RSUs work differently. Since they generally cannot be reassigned outside the plan, the employee spouse is taxed at vesting regardless of the settlement, and the former spouse's share is paid out afterward as an already-taxed transfer of value.

Does transferring stock options to a former spouse trigger tax at the time of the divorce?

No. A transfer of nonqualified stock options or deferred compensation incident to divorce qualifies for Section 1041 nonrecognition treatment, so the transferring spouse owes no tax at the time of transfer. The tax bill shifts to the receiving spouse and is due later, when the award is actually exercised or paid.

How is the marital share of a stock grant calculated if it was awarded before the marriage but vests after separation?

When a grant predates the marriage, the portion earned before the wedding date is generally treated as separate property rather than marital. Courts typically run the coverture, or time-rule, fraction from the marriage date instead of the hire date to isolate the marital share. The two most commonly cited formulas are the Hug formula, used when the award compensates past service, and the Nelson formula, used when it compensates future service. Each produces a different marital percentage from the same facts, so which one applies, and where the clock starts, can significantly change the division.

Can my spouse hide unvested equity compensation in a divorce?

It is harder than it sounds, since equity grants typically appear in W-2s, pay stubs, and brokerage or plan-administrator statements, but grant agreements for awards that have not yet vested do not always show up automatically and sometimes have to be specifically requested from the employer or plan administrator.

Should I take an 83(b) election on restricted stock I'm dividing in a divorce settlement?

That decision only applies to actual restricted stock, not RSUs, which are never eligible for an 83(b) election. If real restricted stock is part of the marital estate, whether an 83(b) election has already been filed, or is still within its 30-day window, changes when tax is owed and by how much, and it is worth confirming with your CDFA and tax advisor before the settlement is finalized.

Get Help Valuing and Dividing Executive Compensation

Equity compensation rarely causes problems at the negotiating table. It causes them years later, at exercise or vesting, once the settlement can no longer be reopened. Our divorce financial planning services include reviewing grant agreements, plan documents, and vesting schedules so the marital share is calculated correctly and the settlement language matches how the award will actually be taxed. Start by working through the divorce document checklist to see what to gather, or reach out to our team to talk through your specific equity compensation.