A 409A valuation is an independent appraisal of a private company’s common stock fair market value, required under Section 409A of the U.S. tax code for companies granting stock options or other equity compensation. It sits quietly behind nearly every employee stock option grant at a private company, setting the price employees actually pay to exercise.
Get the number wrong, especially too low, and both the company and its employees can face real tax consequences. Get it right, using a defensible, independent process, and the company gains legal protection from later IRS challenges.
The valuation sets the exercise, or “strike,” price for employee stock options. Setting this price too low can trigger tax penalties for the company and employees; setting it accurately using an independent, defensible methodology provides “safe harbor” protection from IRS challenges.
Example: A startup’s most recent 409A valuation sets its common stock fair market value at $2.00 per share. An employee granted options at that strike price only owes tax on the appreciation above $2.00 when they eventually sell, rather than being taxed immediately on phantom income if the strike price had been set too low relative to true fair value.
409A valuations must generally be refreshed every 12 months, or sooner after a material event such as a new funding round, since these events typically shift the company’s fair value meaningfully. Valuations are usually performed by independent third-party firms rather than the company itself, which is part of what establishes safe harbor status under IRS rules.
Costs vary by company stage and complexity, but early-stage startups typically pay a few thousand dollars for a standard 409A valuation, with costs rising for larger or more complex cap tables, multiple share classes, or companies nearing an IPO.
For early-stage companies, the 409A valuation is typically well below the price paid by investors in the most recent funding round, since common stock, held by employees, carries fewer rights and preferences than the preferred stock investors receive. This gap, sometimes called the common/preferred spread, is a normal and expected feature of startup valuations, not a red flag on its own.
A 409A valuation is an IRS compliance requirement, but it’s also a genuinely useful data point: it’s the one regularly refreshed, independently produced estimate of what a private company’s common stock is actually worth, distinct from the preferred-share price investors negotiate.
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Disclaimer
This content is for informational and educational purposes only. It does not constitute investment advice, legal advice, or a recommendation to buy or sell any security or to pursue any specific investment strategy.
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Paul leads editorial at Augment, building Pulse into the private markets' go-to intelligence source. He also develops editorial content strategies for startups and venture capital firms. Previously, he spent 15 years as a business and opinion journalist at The New York Times, Fortune, Fast Company, Reuters, and more. He believes transparency creates liquidity—and that someone should actually publish what private shares are trading for. He lives in Marin with his wife and two rescue dogs, and wishes he had more time to surf.
Learn moreAt least once every 12 months, and sooner after significant events like a new funding round.
Because 409A valuations price common stock, which lacks the liquidation preferences and other protections that preferred stock, the class investors typically receive, carries.
Without a qualifying valuation, the company loses IRS safe harbor protection, increasing the risk that option grants could be challenged as underpriced, potentially triggering penalties for both the company and option holders.
Typically an independent third-party valuation firm, since using an outside, qualified appraiser is part of what establishes safe harbor protection under IRS rules.
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