Posted by Jennifer M. Settles, Esq.  August 17, 2026

The 83(b) Election: A 30-Day Deadline That Can Cost Founders Thousands

Among the many decisions founders face in a company’s early days, few combine such high stakes with such an unforgiving deadline as the 83(b) election. It’s a short, simple-looking tax filing that founders and early employees with restricted equity can make, and the window to make it is just 30 days. Miss it, and you can’t get it back, with potential tax consequences running into real money down the road. Here’s what every founder should understand about it.

First, an Important Caveat

This article explains the 83(b) election in general terms, but tax matters are highly specific to your situation, and the rules are technical. The right move depends on your particular facts. The goal is to make you aware that this election exists and that it’s time-sensitive, so you can get proper and timely guidance from a tax professional. Awareness is the thing that protects you here.

The Setup: Restricted Equity and Vesting

The 83(b) election becomes relevant when you receive equity that vests over time, which is common for founders and early employees. “Vesting” means you earn full ownership of your shares gradually, often over several years, rather than all at once. This is a healthy structure that aligns everyone for the long haul, but it has a tax wrinkle: as your shares vest, the tax rules can treat the increasing value as income to you. That’s the issue the 83(b) election addresses.

What the 83(b) Election Does

In general terms, an 83(b) election tells the tax authorities that you want to be taxed on the value of your restricted equity now, at the time it’s granted, rather than later as it vests. Early on, when the company is young and the shares are worth very little, that taxable value may be minimal. By electing to be taxed up front on that small value, founders can potentially avoid being taxed on the much larger value as the shares vest later, which is where the potential savings, sometimes substantial, come from.

Why Missing It Can Be So Costly

Here’s the painful part. If you don’t make the election, the tax rules may tax you as your shares vest, based on their value at each vesting point. If the company’s value grows significantly – which is of course exactly what you’re hoping for – the taxable amounts as your shares vest can become large, potentially creating tax bills far bigger than if you’d elected to be taxed on the tiny early value. Founders who skip or miss the election can find themselves owing tax on substantial paper gains, sometimes before they’ve seen any actual cash.

The 30-Day Deadline Is Unforgiving

What makes this especially treacherous is the deadline. The 83(b) election generally must be filed within 30 days of receiving the restricted equity.  This is a hard, short window with little room for error. Miss it, and the opportunity is typically gone for good; there’s usually no way to make a late election. This is why founders need to know about the election the moment they receive restricted stock, not weeks later. The clock starts immediately, and it doesn’t wait for you to get around to it.

It’s Not Automatically the Right Move

While the 83(b) election is often beneficial for founders receiving low-value early shares, it isn’t universally the right choice.  Instead, it depends on the value of the equity, your expectations, your tax situation, and other factors, and it carries its own considerations and risks. The point isn’t that everyone should file one; it’s that everyone receiving restricted equity should know it exists and evaluate it quickly with a tax professional, rather than letting the decision lapse by default through inaction.

The Bottom Line

The 83(b) election is a small filing with potentially large consequences, governed by an unforgiving 30-day deadline. For founders and early employees with restricted, vesting equity, it can mean the difference between a modest tax bill now and a much larger one later, but only if it’s evaluated and filed in time. Because the rules are technical and the stakes are real, the smart move is simple: the moment you receive restricted equity, talk to a tax professional about whether an 83(b) election makes sense for you, while the window is still open.

If you’ve recently received or are about to receive restricted equity in a company, the 83(b) decision is time-sensitive and worth addressing immediately. Schedule a free consultation to make sure this short window doesn’t close before you’ve evaluated your options.    Contact us at www.jsettleslaw.com or (602) 617-3938. 

About the Author    Jennifer M. Settles makes business owners’ lives easier. With 25+ years structuring M&A deals, commercial contracts, corporate governance, and complex real estate transactions, including over two decades as lead in-house transactions counsel for major corporations, she brings big-firm firepower to the founders, dealmakers, and growing companies who need it most. Clients describe her as knowledgeable, refreshingly direct, and relentlessly focused on their best interests. Jennifer offers white-glove, direct-access service and transparent, predictable fees. Learn more or schedule a consultation.