Selling Pre-IPO Shares: A Founder’s Guide to Tax, Timing, and Liquidity

Say an early employee receives a $6 million secondary market offer on her vested options. The same position could be worth $14 million at the initial public offering in eighteen months, or $1.8 million if the company’s trajectory changed. As this hypothetical example illustrates, a decision made without appropriate planning may have significant tax, timing, or transaction consequences, including an unexpected tax liability, the potential loss of available tax benefits, or an unsuccessful transaction.

Lido was built by founders, for founders. Many of our earliest relationships were with entrepreneurs and operators navigating significant liquidity events, moments that create both opportunity and uncertainty. That vantage point shapes how we think about pre-IPO equity. Although price is often a central consideration, advance planning can materially affect the tax and liquidity options available, which in turn can affect the outcome. Unfortunately, by the time an offer or tender is in front of you, many of the windows that create value have already closed.

Price gets the attention. Planning helps determine the outcome.

The Role of Planning Before the Offer Arrives

After years advising founders through liquidity events, we’ve found that the most expensive mistake is rarely selling too early. Instead, it is making an irreversible move before anyone has modeled the consequences, such as resetting a holding period, triggering a disqualifying disposition, or selling as a California resident when a change of facts was on the horizon.

Many strategies that may affect after-tax proceeds, from QSBS alignment and stacking to trust structures, charitable sequencing, and residency planning, require foresight and proper sequencing long before a transaction. For that reason, this guide begins not with how to sell but with the decisions that ultimately determine your result. From there, we’ll discuss the finer points of proper execution.

Three Significant Planning Considerations

We’ve found that three decisions drive most of the avoidable losses we see, and all three are time-sensitive and often irreversible. The first is QSBS eligibility. If your shares are near the holding threshold, selling early can forfeit a federal exclusion worth the greater of $10 million, rising to $15 million for stock issued after July 4, 2025, or ten times your basis. On a founder-level position, that is frequently the single largest number on the page.

The second is your incentive stock option (ISO) holding periods. An unplanned early sale can convert option gain into ordinary income and trigger the Alternative Minimum Tax; on a $500,000 gain, a disqualifying disposition can add $85,000 or more in federal tax. The third is your state of residence and the timing of the sale. For a top-bracket California resident, the combined effective rate on a long-term gain reaches roughly 37.1%, with no state exclusion for QSBS, so when and where you sell can potentially move the outcome by hundreds of thousands of dollars.

Why Selling Pre-IPO Equity Is Different

Most pre-IPO equity arrives as stock options, as restricted stock units that vest on a schedule, or through the early exercise of options. Founders often hold stock acquired at incorporation, years before the company had meaningful value. The decision to sell usually surfaces from a specific prompt, such as a direct offer from a secondary buyer, a company tender, concern about concentration, or a near-term need for cash.

What makes selling pre-IPO equity unlike selling a public stock is that none of the normal market mechanics apply. There is no quoted price, no instant settlement, and no guarantee that a deal will close. Price, timing, and permission are all negotiable and constrained by your equity agreements.

Should You Sell? Start With “Am I Getting Enough?”

We find the most important question in a liquidity decision is not “What multiple am I getting?” It is “Am I getting enough?” That reframes everything. Before you weigh the upside, clarify what you need your capital to accomplish.

We classify capital in two ways. Essential Capital is the wealth required to secure what matters most. It cannot be compromised because it funds your lifestyle, family obligations, and long-term security, independent of any future market or company outcome. Flex Capital is everything above that line, capital that can be patient and risk-tolerant precisely because the essentials are already protected.

Applied to pre-IPO shares, the framework helps inform decision-making. Consider selling enough to fully fund your Essential Capital first, because that is the life-changing security no IPO timeline should ever jeopardize. Once the floor is secured, the rest becomes Flex Capital: shares you can rationally hold for upside, or sell to diversify, as a deliberate choice rather than an emotional one. We find that too often, founders do the reverse, leaving essential needs exposed to a single illiquid position in pursuit of incremental gain, so that every turn in the company’s fortunes feels existential.

There are still reasons to wait once the floor is secure, such as proximity to a QSBS threshold or a credible near-term IPO, and reasons to sell more, such as high concentration or a change of facts on the horizon. Consider working with your advisor to model both against your Essential Capital floor before deciding. Read more: Managing Concentrated Stock Positions.

Your Channels for Selling

Company-Sponsored Tender Offers

In a tender offer, the company or its investors offer to buy shares at a set price. The right of first refusal is handled automatically, which may reduce some of the administrative burden on the seller. Ask your stock plan administrator whether a tender is pending or planned.

Secondary Market Sales

Platforms such as Forge Global, Nasdaq Private Market, and Hiive connect employee sellers with institutional buyers. As a seller, you do not need to be an accredited investor; that requirement applies to the buyer, not to you. Plan on two to four months to complete the sale, since platform fees, transfer restrictions, and right-of-first-refusal windows all add time and friction.

Direct Buyer Transactions

For larger positions of $2 million or more, negotiating directly with a private equity firm or family office may produce materially better pricing. Most sellers reach these buyers through an advisor with institutional relationships rather than approaching them cold. This is where our founder ecosystem may provide real value through a curated network of capital providers, family offices, and specialists.

The Constraints Behind Every Deal

The 409A Valuation

A 409A valuation is an independent appraisal that the company commissions, typically once a year or after a funding event, to set the fair market value of common stock under Section 409A of the tax code. The valuation firm prices common shares below the preferred share price because preferred holders carry liquidation preferences and anti-dilution protections that common shareholders lack. We recommend that you consider the 409A as a floor on what the IRS considers fair value, not a ceiling on what your shares are worth.

Right of First Refusal

Your stock agreement often times includes a right-of-first-refusal clause. Before a sale can close, the company has a window, typically 30 days, to match the outside offer and take the transaction itself. You can negotiate a deal, spend weeks in diligence, and still be unable to prevent the company from stepping in. Until that window closes, your deal is not final, and that reality shapes how you negotiate, what price you accept, and how long you plan for.

Transfer Restrictions

Beyond the right of first refusal, most private-company agreements restrict transfers entirely without company approval, and unauthorized transfers can trigger forfeiture. Review your plan documents before you approach any buyer.

How to Evaluate an Offer

Buyers may present an offer in a favorable light, so consider working with your advisor to pressure-test it against real scenarios. Start with reference valuations. Use the 409A as a conservative baseline and the last funding round as a reference point, keeping in mind that preferred stock is not directly comparable to common, and run comparable public-company revenue multiples as a sanity check on both.

Secondary transactions may involve an illiquidity discount. Secondary buyers commonly mark the current 409A value down by 20% to 30% in late-stage practice, though the figure varies by company and deal. That discount is measured against today’s appraised value, not against where the stock might trade at IPO. In our experience, a discount above 50% with no clear justification is typically a signal to seek competing bids.

As part of the evaluation, consider working with your advisor to model the after-tax proceeds, because the pre-tax number may not be the real one. The effective rate turns on share type, holding period, and state of residence. Then test the time value by modeling conservative, base, and optimistic IPO timelines and discounting each to the present. A $4 million outcome in 24 months, discounted at 10%, is worth roughly $3.3 million today.

A handful of mistakes may account for most of the value lost along the way:

• Accepting the first offer without shopping for competing bids.
• Selling before the QSBS threshold and forfeiting an exclusion worth $10 to $15 million, or ten times basis.
• Triggering a disqualifying ISO disposition through an unplanned early sale.
• Selling everything before the IPO and missing the upside.
• Waiting too long.

Tax Strategies for Pre-IPO Sales

Tax treatment varies considerably with share type, holding period, and timing. We find the areas below carry the most leverage.

Qualified Small Business Stock

Consider embedding a QSBS strategy early to mitigate tax liability. For eligible stock in a domestic C-corporation, Section 1202 can exclude the greater of $10 million, rising to $15 million for stock issued after July 4, 2025, or ten times your basis from federal capital gains tax, in some cases eliminating the entire federal bill at exit.

Eligibility carries conditions. The stock must be an original issuance from a domestic C-corporation, acquired for cash, property, or as compensation, and at least 80% of the company’s assets must be used in an active trade or business. Most venture-backed startups are structured to qualify, but the specifics should be confirmed.

For stock issued after July 4, 2025, the holding period is now tiered: 50% exclusion after three years, 75% after four years, and the full 100% after five years. Stock issued earlier remains under the prior five-year, $10 million regime. There may also be real value in stacking. Gifting QSBS to a spouse, family members, or non-grantor trusts can allow each recipient to claim their own exclusion, potentially multiplying the tax-free proceeds across the family while strengthening estate and legacy planning. Preserving eligibility depends on proper entity design and timing, which is exactly why this belongs in the planning phase rather than the closing week.

California is the expensive trap here. The state does not conform to Section 1202 under either regime, having repealed its own QSBS exclusion in 2013, so a California resident owes full state tax at up to 13.3% even on a gain that is fully excluded at the federal level.

ISO Planning and the AMT

ISOs have two holding thresholds under Section 422: two years from the grant date and one year from the exercise date. Miss either, and you create a disqualifying disposition that converts your gain to ordinary income, roughly $85,000 or more in additional federal tax on a $500,000 gain, and adds Alternative Minimum Tax exposure in the year of exercise. Consider having your advisor model that exposure before you commit to a sale.

83(b) Elections and Early Exercise

An 83(b) election starts your capital-gains holding period at exercise rather than at vesting. You have 30 days from the qualifying event to file, and a missed window cannot be recovered. If you exercised early and filed an 83(b), your clock started then, with direct implications for both QSBS eligibility and long-term capital gains treatment on any sale.

Coordinating Charitable and Estate Strategies

For a concentrated pre-IPO position with a large embedded gain, the highest-leverage planning often sits alongside the sale rather than inside it. Contributing shares to a donor-advised fund or a charitable remainder trust before a liquidity event can generate a current deduction and reduce the taxable gain. Vehicles such as intentionally defective grantor trusts can move future appreciation outside your estate. Insiders and anyone subject to trading windows should ask whether a 10b5-1 trading plan is appropriate. When sequenced correctly and before an offer is signed, these tools frequently produce a better after-tax and after-legacy result than optimizing price alone.

State Tax Considerations

California taxes capital gains as ordinary income at a top rate of 13.3%, with no preferential long-term rate. At the federal level, the long-term rate reaches 20% for high earners, and the Net Investment Income Tax adds 3.8% above $200,000 of modified adjusted gross income. Combined with California, the effective rate for a top-bracket resident reaches roughly 37.1%. Your state of residence at the time of sale is a core variable in your after-tax outcome.

How to Execute a Pre-IPO Sale

Once you decide to sell, the process moves through five phases. Work them in order, because skipping steps may cause deals to fall through or create unexpected tax liability.

1. Confirm your vesting status and review your equity documents. Pull your grant agreement, vesting schedule, exercise history, any 83(b) records, and the transfer-restriction policy before you approach a buyer or platform.
2. Engage your legal and tax advisors before any buyer conversation, and model after-tax proceeds across closing timelines, share types, and state variables before you evaluate a single offer.
3. Submit the right-of-first-refusal notice as your stock agreement requires. Once you have a signed term sheet, the company’s window opens, typically 30 days to match; until it closes, the deal is not final.
4. Negotiate terms, complete diligence, and execute. Expect four to eight weeks on a platform transaction and longer on a direct deal.
5. Set aside estimated taxes immediately after closing. A large gain triggers quarterly estimated payments, so calculate the liability the day the proceeds land and set it aside before any spending or investment decision.

How Lido Approaches Pre-IPO Liquidity

Pre-IPO liquidity sits at the intersection of equity valuation, tax strategy, and long-term wealth planning. Most advisors own only one of the three. A standalone CPA can compute your tax but will not source a competing bid, and a secondary platform can find a buyer but will not tell you the sale forfeits your QSBS exclusion or resets an ISO clock. Coordinating all three, the model of a modern family office, is what catches the interactions between them before they turn irreversible.

With $46.4 billion in assets under management, more than 40 offices nationwide, and 25 years in business, Lido brings together an interdisciplinary team of estate planning attorneys, tax professionals, Certified Financial Planners, and Chartered Financial Analysts, as well as a founder ecosystem of capital providers, family offices, and specialists. When you work with us, the process starts with a full picture of your position, including grant dates, exercise history, QSBS eligibility, holding periods, and concentration relative to your total net worth. We model your after-tax proceeds across scenarios before you receive a single offer, tap our buyer network for larger positions, and build your reinvestment strategy in parallel, so you are never making portfolio decisions under deadline pressure.

Request a no-cost after-tax model of your position before your next offer.