Startup Down Round for Founders: What Happens to Your Equity When Valuation Drops

A down round sounds like a company problem.

Investors renegotiate terms, headlines call it a “reset,” and the board moves to the next fundraise. But if you’re a founder holding common stock, options, or restricted shares, it changes your ownership percentage, tax exposure, and what you would actually walk away with in a sale. Although a startup down round for founders may be less common lately, the mechanics still catch most founders off guard. Here is what actually happens to your equity.

Your Ownership Percentage Shrinks More Than the Round Size Suggests

A down round means raising money at a lower valuation than the last round. To raise the same cash at a lower share price, the company has to issue more shares, which dilutes everyone.

Say your company last raised at a $50 million post-money valuation:

• Shares outstanding: 10 million
• Your stake: 4 million shares, or 40 percent

A new down round changes the numbers:

• New pre-money valuation: $25 million
• New investment: $5 million
• New share price: $2.50
• New shares issued: 2 million

Your 4 million shares now represent 33.3% of a 12 million share company. That is normal dilution, the same kind that happens in any round.

Here is the part the catch: your earlier investors likely hold anti-dilution provisions, which are contractual terms that adjust their conversion terms when a later round prices below what they paid. The most common version, broad-based weighted average, recalculates their effective purchase price and can give them additional shares on conversion to make up for some of the difference.

For example, assume an earlier investor bought 2 million shares at $5.00 per share. In this scenario, a broad-based weighted-average adjustment could give that investor roughly 182,000 additional shares, pushing your ownership down to about 32.8%.

That gap grows fast under the more aggressive version, full ratchet, which resets the investor’s purchase price entirely to the new round’s price rather than averaging it. Here, full ratchet would increase that investor’s conversion entitlement by 2 million shares, dropping your ownership to 28.6%.

Your ISO and NSO Options May Get Repriced

A lower valuation will often lead the company to revisit its 409A valuation, the valuation used to establish the fair market value of private-company common stock for purposes such as option pricing. If your strike price sits above the new fair market value, your options are underwater, meaning exercising them would cost more than the shares are worth. Companies sometimes respond by repricing: lowering the strike price to match the new valuation.

Repricing sounds like good news, and for future decisions, it usually is. But reducing the exercise price of an ISO can cause the modified option to be treated as a new option for certain tax purposes, which can affect the ISO holding-period requirements. Repricing also does not automatically put the option on a new vesting schedule. A company may impose new vesting or other conditions as part of the repricing, but that depends on the terms of the new grant.

If the combined value crosses the $100,000 annual limit for ISOs, valued at the original grant price, the excess generally loses ISO treatment and is treated as a non-qualified stock option (NSO), taxed differently at exercise. The $100,000 test generally looks at the aggregate fair market value of stock subject to ISOs that first become exercisable in a calendar year, using the stock’s fair market value when the options were granted.

There’s a sharper problem for founders who already exercised incentive stock options before the down round. If you exercised when the 409A valuation was higher, you may have owed alternative minimum tax (AMT), a separate tax calculation, on the spread between your strike price and that higher fair market value. A down round does not automatically reverse that tax: a later drop in the company’s valuation doesn’t undo the AMT that may have been triggered by your earlier exercise. Mechanisms exist to eventually credit some of that back against future tax liability, but not automatically or immediately. If this applies to you, it’s worth a direct conversation with your tax advisor.

Watch out for Liquidation Preference

Preferred stock typically comes with a liquidation preference, which is the contractual right to get paid before common stockholders in a sale. Down rounds often add a new, senior layer to that stack, sometimes with a higher multiple or participating rights that let an investor collect their preference and then share in what’s left.

Here is why that matters in dollar terms.

Say your company raised money across three rounds:

• Seed: $2 million, 1x non-participating preference
• Series A: $8 million, 1x non-participating preference
• Series B (the down round): $5 million, 1.5x participating preference

That Series B preference alone entitles the investor to $7.5 million before the remaining proceeds are distributed according to the terms of the deal, and then the investor can participate in what’s left.

Now, say the company sells for $10 million. The Series B investor’s $7.5 million preference could consume a large portion of the sale proceeds before common shareholders receive anything. The exact amount left for founders and employees depends on the liquidation preferences, seniority, participation rights, conversion decisions, and other terms in the company’s financing documents.

This is the piece most founders underestimate: your ownership percentage is only part of the equation. The liquidation waterfall determines what preferred investors receive first and what, if anything, remains for common shareholders. After a down round, a modest exit can leave common shareholders with substantially less than their ownership percentage alone would suggest.

QSBS Timing Can Get More Complicated

If you’re relying on the Qualified Small Business Stock (QSBS) exclusion to shelter gains when you eventually sell, timing matters. Stock from a new option exercise starts its own holding period from the exercise date, separate from shares you’ve held longer.

And the QSBS rules changed in 2025. For qualifying stock acquired after July 4, 2025, the rules now provide a tiered exclusion: 50% after three years, 75% after four years, and up to 100% after five years, assuming the other QSBS requirements are met. Stock acquired before that date generally remains subject to the traditional five-year holding period for the exclusion.

If your down round involves a recapitalization or new share issuance rather than a straightforward priced round, confirm with your tax advisor whether that affects the holding period on your existing shares. This isn’t something to work out on your own before signing anything.

Is a Down Round Your Only Option?

Before accepting a lower valuation on paper, it’s worth knowing what else is on the table. Each option avoids or delays a price-down valuation, though none are free of tradeoffs:

Bridge financing (convertible notes or SAFEs): short-term capital that converts to equity later, often at a discount or valuation cap, usually when a qualifying financing or other specified event occurs. Avoids setting a lower-priced round valuation today, but can still dilute you at conversion.

Revenue-based financing: a lender takes a percentage of monthly revenue until you’ve repaid a multiple of what you borrowed. No dilution, but it tends to work best with predictable recurring revenue.

Insider bridge / pay-to-play financing: existing investors fund the company themselves, sometimes with pay-to-play terms that penalize investors who don’t participate. Keeps outside investors out, but can create tension among your existing cap table.

Flat round: existing investors fund at the same valuation as last time. Less common, and requires real conviction from them.

The tradeoff: debt-based options preserve your ownership percentage but add repayment risk, while bridge and insider rounds preserve the appearance of valuation but usually still dilute you, just on a delayed timeline.

It’s also Personal Financial Decision

A down round can change what your equity is ultimately worth, not just the number on the cap table summary. Your ownership percentage, the tax treatment of your options, and your position in the liquidation stack all move at once, and rarely in your favor. 

If your company is heading into a repricing round, KB Financial Advisors works with founders to model exactly what that means for your personal equity and tax position before the terms are final.

Book a consultation with our team today. 

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