The 83(b) Election Explained: Deadline, Risks, and When It Makes Sense
If you receive restricted stock or early-exercise stock options at a startup, you may run into a tax form with a very short fuse: the 83(b) election. The 83(b) election deadline is 30 days, and the decision is hard to reverse, which is why it is worth understanding before the paperwork lands on your desk.
This article is educational, not tax or legal advice. Talk to a qualified tax professional before filing anything.
What an 83(b) election is
Under the tax code, when you receive stock that is subject to vesting, you are normally taxed as the shares vest, based on their value at each vesting date. An 83(b) election lets you choose instead to be taxed on the shares' value when you receive them, which at an early-stage startup is often very low.
If you make the election, later growth in value is generally taxed when you sell, potentially at long-term capital gains rates if you meet the holding period, rather than as ordinary income at each vest.
The 30-day deadline
The election must be filed with the IRS no later than 30 days after the date of the stock transfer. There is no extension and no general relief for missing it. Many people file by certified mail with proof of delivery and keep copies. The IRS also accepts online filing of Form 15620 through an IRS online account, and a copy should go to your employer or the company. Confirm the current filing method on IRS.gov, because procedures can change.
When it can make sense
The election is most often discussed when:
You are buying or receiving restricted stock at a very early stage, when the shares have little value.
You are early-exercising options that your company allows you to exercise before they vest.
The spread between what you pay and the shares' value is zero or very small, so the immediate tax cost is minimal.
In those cases, you may lock in a low tax base before the company grows.
The risks
Forfeiture risk. If you leave before the shares vest and the company repurchases them, you may lose the money you paid and the tax you paid on the election. You generally cannot recover that tax as a loss in the way you might expect.
Cash out of pocket. You may pay for the shares, and possibly tax, long before there is any way to sell.
A failed company. If the startup fails, the shares can become worthless.
Complexity with ISOs. Early-exercising ISOs and filing an 83(b) can trigger Alternative Minimum Tax questions that depend on the spread at the time.
What the election does not do
It does not apply to RSUs in most standard arrangements, since RSUs are generally promises to deliver shares in the future and not property transferred to you at grant. If your equity is RSUs, this election is usually not available. See RSU vs ISO vs NSO for the differences between grant types.
A practical checklist
Confirm what you are actually receiving: restricted stock, early-exercise options, or something else.
Ask the company what the shares are worth on the transfer date and how that value was set.
Calculate the immediate tax cost, if any, and the cash needed.
Decide whether you are comfortable losing that money if the company fails or you leave early.
If you decide to file, mark the 30-day deadline on a calendar the day you receive the stock, and keep proof of filing.
Frequently asked questions
What is the deadline for an 83(b) election? 30 days from the date the stock is transferred to you. The deadline generally cannot be extended.
Can I file an 83(b) election for RSUs? Generally no. Standard RSUs are a promise of future shares, not stock transferred to you at grant, so the election is usually unavailable.
What happens if I miss the 83(b) deadline? You are taxed as the shares vest, based on their value at each vesting date, instead of at the lower value when you received them.
Is an 83(b) election worth the risk? It depends on the value of the shares, how much cash you must pay, and how comfortable you are losing it if the company fails or you leave early. A tax professional can model your case.
California considerations
California generally follows the federal treatment for this election, but your overall state tax picture may differ. Include it when you review with a tax professional.
Where we can help
The 83(b) decision depends on your cash position, your risk tolerance, and how the stock fits into your broader plan. If you are weighing a startup grant, our related guide on building a financial plan around pre-IPO stock options is a good next read, or you can schedule a free consultation.
This article is for educational purposes only and does not constitute investment, tax, or legal advice.
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