Startup founders often get caught up in growing their business, but a small tax oversight can become a massive financial headache. One founder learned this the hard way when they accepted restricted stock in their startup—but didn’t file the 83(b) election with the IRS. When the shares vested, they faced a tax bill of $200,000, far more than anticipated.

Here’s how this common mistake happens—and how you can avoid it.

The Problem: Ignoring the 83(b) Election

Restricted stock is taxed when it vests, not when it’s granted. If you don’t file an 83(b) election, the IRS treats the fair market value of the shares at vesting as ordinary income. For fast-growing startups, this value can be significantly higher than at the grant date, creating a shocking tax liability.

The Solution: File the 83(b) Election Within 30 Days

By filing an 83(b) election within 30 days of the stock grant, founders can pay tax on the grant-date value instead of the vesting-date value. This small step converts a potentially huge future tax bill into a manageable upfront cost and allows appreciation to be taxed as long-term capital gains.

The Challenge: Short Deadline & Complexity

The 30-day window is strict. Missing it—even by a day—can trigger the full ordinary income tax on the appreciated value. Many founders simply overlook this, assuming it’s optional or that tax will be minimal.

The Action: Track Equity Grants & Set Reminders

Implement a system to track all equity grants and deadlines. Use reminders, checklists, or software to ensure each grant’s 83(b) election is filed on time. This proactive approach prevents costly surprises and keeps your equity strategy on track.

The Result: Avoided Future Tax Shocks

After putting processes in place, the founder now files 83(b) elections for all future grants. Taxes are calculated on the lower initial value, and any growth is taxed at favorable long-term capital gains rates—protecting both equity and cash flow.

Takeaway: Protect Your Startup Equity

• Understand how restricted stock and vesting impact taxes.
  
• File 83(b) elections within 30 days of stock grants.
  
• Track deadlines and maintain organized equity records.
  
• Avoid costly surprises and preserve ownership in your startup.
  

A small filing step can save you thousands—or even hundreds of thousands—down the road. Don’t risk it: file on time and plan your equity strategy carefully. Get in touch with Accelus today!