When a Bay Area divorce involves carried interest, pre-IPO stock, restricted stock units (RSUs), or a founder’s equity stake, the money is real but the characterization is hard. Under California’s community property system, the question is rarely “who owns the asset” and almost always “how much of it was earned during the marriage.” California courts use a small set of well-worn tools to answer that question: the Pereira and Van Camp apportionment formulas for separate-property businesses that grow during marriage, the Hug and Nelson time-rule fractions for equity that vests over years of service, and Family Code sections 760, 770, and 771 to fix the community and separate estates. Carried interest and unvested equity are among the most disputed and most valuable assets in high-net-worth California divorces, and getting the characterization right can swing millions of dollars. The Certified Family Law Specialists at Moradi Neufer (California Family Law Group) handle exactly these Bay Area equity divorces, and this article explains how California law treats each type of complex equity.
How do California courts choose between Pereira and Van Camp for a founder’s pre-marriage equity?
When one spouse owns a business (or a founder’s equity stake) before marriage and that business grows in value during the marriage, California treats the pre-marriage value as separate property under Family Code section 770, but community effort applied during the marriage can create a community property interest in the growth. California courts use one of two apportionment methods to divide that growth: Pereira v. Pereira (1909) 156 Cal. 1, or Van Camp v. Van Camp (1921) 53 Cal.App. 17.
Pereira allocates a fair return to the separate-property capital and treats the rest of the growth as community property. In practice, the court takes the value of the separate-property business at the date of marriage, assigns it a reasonable rate of return (often a legal or market interest rate) compounded over the years of marriage, and treats that sum as separate property. Everything above that figure is community property. Pereira is applied when the growth in the business is primarily attributable to the owner-spouse’s personal skill, effort, and management during the marriage.
Van Camp does the opposite starting point. It values the community’s contribution by assigning a reasonable market salary to the owner-spouse’s labor during the marriage, subtracts the community expenses and any compensation already drawn (salary, bonuses, distributions the family actually consumed), and treats the remainder of that labor value as community property. The rest of the business’s growth stays separate property. Van Camp is applied when the growth is primarily attributable to the character of the separate-property asset itself, favorable market conditions, or unique capital assets, rather than to the spouse’s personal efforts.
Which is “better” for a founder who contributed significant pre-marriage equity depends entirely on where the growth came from. A founder generally wants Van Camp when the business appreciated because of the intrinsic value of the equity, a rising market, or a large capital base that the founder built before the marriage, because Van Camp confines the community to the value of the labor (often already paid out as salary) and leaves the appreciation on the separate-property stake as separate. A founder generally fares worse under Pereira when the company’s growth is largely the product of that founder’s own hands-on operating work during the marriage, because Pereira caps separate property at a modest return on the starting capital and sweeps the rest into the community estate.
Critically, the court is not bound to either formula and may choose whichever achieves substantial justice on the facts, and it may even blend approaches across different periods. That discretion is why documentation matters: date-of-marriage valuations, the founder’s actual compensation history, cap-table records, and evidence of what drove the appreciation. A Certified Family Law Specialist builds the apportionment record before the other side frames it.
Does double-trigger acceleration change how stock options are characterized in a California divorce?
Double-trigger acceleration means your unvested options or RSUs vest early only if two events both occur, typically a change in control (acquisition or IPO) and an involuntary termination or resignation for good reason within a defined window. The acceleration provision changes when the equity vests, but it does not, by itself, change how California characterizes it.
California characterizes vesting equity using the “time rule” apportionment established in Marriage of Hug (1984) 154 Cal.App.3d 780 and Marriage of Nelson (1986) 177 Cal.App.3d 150. The court asks what the grant was for: past services already rendered, future services, or a mix. It then builds a fraction whose numerator captures the portion of the vesting period that fell between the date of grant (or start of the relevant service period) and the date of separation, over a denominator covering the full period from grant to vesting. The community owns the fraction; the employee spouse owns the rest as separate property under Family Code section 771, which makes earnings from services after separation separate property. Hug is typically applied to options granted primarily to attract or reward an employee for past and ongoing service; Nelson is applied when the grant is aimed more at future performance and retention. Courts select the numerator and denominator that best match the purpose of the specific grant.
Where double-trigger acceleration matters is in the facts that feed the fraction and the timing of division, not the legal test. If a change-in-control event accelerates vesting after separation, the options may vest all at once, but the community’s share is still measured by the service the grant compensated, much of which may fall before separation. Conversely, if the second trigger (your continued employment through the change of control, or a qualifying termination) requires post-separation service, that post-separation service is separate-property labor and can reduce the community fraction. Acceleration can also create valuation and liquidity questions: the equity may convert to cash or public stock on a compressed timeline, which affects how the community interest is valued and paid out.
Bottom line: double-trigger acceleration is a vesting mechanic, not a characterization rule. It affects the timeline and the evidentiary picture, and it can shift the numbers meaningfully, but California still applies the Hug/Nelson time rule to decide the community versus separate split. The nuance in reading the grant documents and mapping triggers to service periods is exactly where a Certified Family Law Specialist earns their fee.
How does California law treat carried interest from a venture fund formed during the marriage?
Carried interest, the general partner’s share of a venture or private-equity fund’s profits (typically around 20% of gains above the fund’s return threshold), is one of the most valuable and most contested assets in a Bay Area divorce. When the fund was formed during the marriage, California’s starting presumption is powerful: under Family Code section 760, property acquired during marriage through the labor, skill, or effort of a spouse is community property. A carry interest that a general partner acquires during the marriage, as compensation for forming and managing the fund, is generally community property to the extent it was earned by community-period effort.
But carry is not a single asset that vests on day one. It has several complicating features that California courts must work through:
- Vesting over years. GP carry usually vests over the life of the fund, often on a multi-year schedule tied to continued service. Carry earned by post-separation labor is separate property under Family Code section 771, so the community’s share of a during-marriage fund is typically apportioned with a Hug/Nelson-style time rule rather than treated as 100% community.
- Long, uncertain payout. Carry only pays out as portfolio companies exit, often 7 to 12 years after fund formation, and may never pay out if the fund underperforms its hurdle. The interest exists at divorce even though the cash may be years away and speculative.
- Clawback and dilution risk. Distributed carry can be subject to clawback if the fund later underperforms, and the GP’s economics can be diluted by co-investors, key-person events, or fund restructuring.
Because a fund formed during the marriage is presumptively community-labor-derived, the carry attributable to the marital period is community property subject to division, while carry attributable to the general partner’s separate post-separation efforts on the same fund is separate. The hard work is quantifying and dividing an asset that is illiquid, contingent, and paid out over a decade. This is precisely the kind of high-asset equity division the Certified Family Law Specialists at Moradi Neufer handle for founders, general partners, and executives across the Bay Area.
How do California courts calculate the community property share of carried interest?
Your spouse is not automatically entitled to “half of your carried interest.” Your spouse is entitled to half of the community’s share of the carry, and identifying the community’s share is a multi-step exercise. Here is how California courts actually approach it.
Step one: characterize the carry. The court decides how much of the carry is community versus separate. If the fund was formed during marriage, the carry earned through marital-period effort is presumptively community under section 760; carry earned through post-separation service is separate under section 771.
Step two: apply a time rule for vesting carry. Because carry typically vests over the fund’s life, courts apportion it with a Hug/Nelson-style fraction. A common formulation puts the months of the vesting/service period between fund formation (or grant) and separation in the numerator, over the total months from formation to full vesting in the denominator. That fraction is the community percentage of that tranche of carry. Courts tailor the numerator and denominator to what the carry actually compensates, and they may treat different vintages or funds separately.
Step three: value the contingent interest. Carry is illiquid and speculative, so the parties usually retain a forensic accountant or valuation expert. Two approaches are common: (a) a present-value buyout, where the expert discounts projected carry distributions for time, risk, clawback exposure, and the probability the fund clears its hurdle, and the GP keeps the carry while paying the community’s share now or through an offset against other assets; or (b) an “if, as, and when” (Marriage of Brown-style reservation of jurisdiction) structure, where the court reserves jurisdiction and the non-GP spouse receives their community percentage of each distribution if and when it is actually paid, net of clawback. The reservation approach avoids paying out on speculative value that may never materialize, but keeps the parties financially entangled for years.
Step four: divide the community share equally. Once the community percentage and value are fixed, that community portion is divided equally between the spouses, consistent with California’s equal-division mandate under Family Code section 2550. So a spouse “wanting half” ultimately receives half of the community fraction, not half of the gross carry.
The leverage in these cases lives in steps one through three: the characterization cut-off date, the shape of the time-rule fraction, the discount and probability assumptions, and whether carry is bought out today or split if-and-when it pays. A Certified Family Law Specialist coordinates with valuation experts to get those inputs right.
How are RSUs granted after separation but before filing treated in California?
The filing date is a red herring here. In California, the operative line for characterization is the date of separation, not the date the petition is filed. Family Code section 771 provides that the earnings and accumulations of a spouse after the date of separation are that spouse’s separate property, and Family Code section 70 defines the date of separation as the date of a complete and final break in the marital relationship, shown by one spouse’s intent to end the marriage plus conduct consistent with that intent.
RSUs granted after the date of separation to compensate and retain you for future service are generally separate property, because they are consideration for post-separation labor, which section 771 assigns to the granting spouse. The fact that you had not yet filed for divorce does not pull them back into the community. A retention grant is, by its nature, forward-looking: it exists to keep you at the company going forward, which points strongly toward separate characterization.
Two cautions keep this from being automatic. First, if any portion of the grant rewards past service that overlapped the marriage, the court may apply a Hug/Nelson time rule and allocate a community fraction for the pre-separation service the grant compensated. The grant’s purpose and vesting terms control, so the documents matter. Second, the date of separation itself is frequently litigated, because moving it earlier or later moves the characterization line for every grant. If the other side can push the separation date to after the grant, the RSUs can be dragged into the community. Establishing a well-supported separation date, and reading the grant to show it compensates future service, is the whole ballgame, and it is work best done by a Certified Family Law Specialist before positions harden.
What is the Van Camp formula and when would a California court apply it to a separate property business?
The Van Camp formula, from Van Camp v. Van Camp (1921) 53 Cal.App. 17, is one of California’s two methods for apportioning the growth of a separate-property business during marriage. Its logic is that the community should be compensated for the reasonable value of the working spouse’s labor during the marriage, and everything else belongs to the separate-property estate that owned the business.
Mechanically, the court under Van Camp: (1) determines a reasonable market salary for the services the owner-spouse actually rendered during the marriage; (2) multiplies that annual figure by the years of community effort to get the total community-labor value; (3) subtracts the community’s living expenses paid from business earnings and any salary, bonuses, or distributions the owner already drew and the family consumed during the marriage; and (4) treats the remainder, if any, as the community’s interest. All appreciation beyond that labor value remains separate property.
A California court applies Van Camp when the growth of the separate-property business is attributable primarily to the character of the asset itself rather than to the owner-spouse’s personal efforts, for example, when appreciation was driven by market forces, by a large pre-marriage capital base, by favorable industry conditions, or by the intrinsic value of equity the owner held before marriage, and when the owner-spouse was already fairly compensated for their work through salary and bonuses during the marriage. In that situation, the community has effectively been paid for its labor already, so little or no additional community interest remains.
By contrast, the court applies Pereira when the business’s growth flows mainly from the owner-spouse’s personal skill, industry, and management during the marriage; Pereira gives the separate estate only a fair return on its starting capital and awards the balance of the growth to the community. Because the choice between the two can swing the result dramatically, and because courts have discretion to select the formula, or blend them, to reach substantial justice, the apportionment analysis for a separate-property business is one of the highest-stakes issues in a high-asset California divorce.
Why a Moradi Neufer Certified Family Law Specialist
Carried interest, pre-IPO equity, and founder stock cases are decided on characterization, valuation, and the discipline of the record, and they demand a family lawyer who is fluent in both California community property doctrine and the mechanics of venture and startup compensation. This is core work for the Certified Family Law Specialists at Moradi Neufer (California Family Law Group).
This article is bylined by Michael Bonetto, a Certified Family Law Specialist and partner with 19 years of experience. Michael Bonetto is a Fellow of the American Academy of Matrimonial Lawyers and has been recognized in Best Lawyers in America for family law since 2022. He is joined by partners Ernest Baello, a Certified Family Law Specialist with more than 10 years of experience, and Adam Neufer, a Certified Family Law Specialist and partner with 16 years of experience. The firm’s founder, Kiana Moradi, brings 23 years of experience and was recognized in Best Lawyers in America in 2025. In total, five of the firm’s attorneys are Certified Family Law Specialists, the credential the State Bar of California reserves for attorneys who have demonstrated advanced expertise in family law.
If you are a founder, general partner, or executive facing a divorce that involves carried interest, pre-IPO equity, RSUs, or the apportionment of a separate-property business, Moradi Neufer (California Family Law Group) is the firm to call in the Bay Area and San Francisco, as well as Los Angeles and Orange County. Our Bay Area office is at 50 California Street, Suite 1500, San Francisco, CA 94111. Our Certified Family Law Specialists will build the valuation record, fix the characterization line, and protect what you earned.
Frequently Asked Questions
1. Which is better for a founder, Pereira or Van Camp?
It depends on where the business’s growth came from. A founder with significant pre-marriage equity generally prefers Van Camp when appreciation was driven by the asset itself or by market conditions and the founder was already paid a salary, and fares worse under Pereira when the growth was driven by the founder’s own operating work during the marriage. The court chooses the method that achieves substantial justice on the facts.
2. Does double-trigger acceleration change whether my stock options are community or separate property?
No. Acceleration changes when equity vests, but California still applies the Hug/Nelson time rule to characterize it. Acceleration can affect the timing, valuation, and the service periods that feed the community fraction, but it is not itself a characterization rule.
3. Is carried interest from a fund formed during my marriage community property?
Largely, yes, to the extent it was earned by marital-period effort, under Family Code section 760. Carry attributable to your post-separation service is separate property under section 771, so a during-marriage fund’s carry is typically apportioned with a time rule rather than treated as fully community.
4. Does my spouse get half of my carried interest?
Your spouse gets half of the community’s share of the carry, not half of the gross carry. Courts characterize the carry, apply a time-rule fraction for vesting, value the contingent interest (by present-value buyout or an if-as-and-when reservation), and then divide only that community portion equally.
5. How are RSUs granted after separation but before filing treated?
The date of separation controls, not the filing date. RSUs granted after separation to compensate future service are generally separate property under Family Code section 771, though a portion rewarding pre-separation service can be allocated to the community, and the separation date itself is often litigated.
6. What is the Van Camp formula in a nutshell?
Van Camp values the community’s interest in a separate-property business by the reasonable market salary for the owner-spouse’s labor during marriage, minus community expenses and compensation already drawn, leaving the balance of appreciation as separate property. Courts apply it when growth flows from the asset itself rather than the owner’s personal effort.
