If you're searching for 83b election filing deadline rules, you're trying to solve a real problem, not collect definitions. This guide walks through it step by step, the way we'd explain it to a founder sitting across the table.
Quick Answer
83b election filing deadline rules comes down to your specific numbers, not a generic rule of thumb — the fastest way to get a real answer is to model it against your actual cap table instead of a spreadsheet estimate.
- Start from your real numbers, not an industry average
- Revisit this every time you issue new equity or close a round
- Use a live cap table so the math updates automatically
What Is an 83(b) Election?
What Is an 83(b) Election?. Here's what that covers: founder restricted stock = you don't own it until it vests, 83(b) = file with irs to own it immediately, and how it plays out in practice. This is where 83(b) election actually shows up on your cap table.
Founder restricted stock = you don't own it until it vests
Founder restricted stock = you don't own it until it vests. This is the step most founders underestimate — worth getting right before it turns into a bigger cleanup job later.
83(b) = file with IRS to own it immediately
83(b) = file with IRS to own it immediately. It sounds minor until it isn't, usually right when an investor or new hire is looking at the numbers.
Skip it = you'll pay taxes on unvested equity
Skip it = you'll pay taxes on unvested equity. — specifically, huge mistake.
Cost to file: $0
Cost to file: $0. — specifically, just paperwork.
Cost to miss: $50K-$500K+ in unexpected taxes
Cost to miss: $50K-$500K+ in unexpected taxes. Most spreadsheet-based cap tables miss this until someone asks a question they can't answer on the spot.
The 30-Day Countdown Clock
The 30-Day Countdown Clock. Here's what that covers: you receive restricted stock grant, you have exactly 30 days to file 83(b) with irs, and how it plays out in practice. This is where 83(b) actually shows up on your cap table.
You receive restricted stock grant
You receive restricted stock grant. Get this wrong early and it compounds quietly until your next round forces the issue.
You have exactly 30 days to file 83(b) with IRS
You have exactly 30 days to file 83(b) with IRS. This is exactly the kind of detail that's easy to skip and expensive to fix retroactively.
Day 31 = you've missed it forever
Day 31 = you've missed it forever. Most spreadsheet-based cap tables miss this until someone asks a question they can't answer on the spot.
What to do on Day 29
What to do on Day 29. — specifically, action checklist.
Step-by-Step: How to File Your 83(b) Election
Step-by-Step: How to File Your 83(b) Election. Here's what that covers: fill out irs form 83(b), mail to: [irs address by region], and how it plays out in practice.
Fill out IRS Form 83(b)
Fill out IRS Form 83(b). — specifically, template provided.
Mail to: [IRS address by region]
Mail to: [IRS address by region]. This is the step most founders underestimate — worth getting right before it turns into a bigger cleanup job later.
Keep copy for your records
Keep copy for your records. — often 6-7 years minimum.
Email copy to your company
Email copy to your company. — specifically, compliance trail.
The Lovie 83(b) Advantage
The Lovie 83(b) Advantage. Here's what that covers: deadline auto-alerts, pre-filled form template, and how it plays out in practice.
Deadline auto-alerts
Deadline auto-alerts. — often 5 days before cutoff. Founders fear 83(b) but don't understand it.
Pre-filled form template
Pre-filled form template. — specifically, auto-populate with your data. Carta/Pulley mention it but don't guide through it.
Mailing address validation
Mailing address validation. — specifically, never send to wrong IRS office. Lovie makes it frictionless: auto-alert, pre-filled form, clear instructions.
Archive every 83(b) you've ever filed
Archive every 83(b) you've ever filed. Most spreadsheet-based cap tables miss this until someone asks a question they can't answer on the spot.
One-click: Share with cap table history
One-click: Share with cap table history. This is the step most founders underestimate — worth getting right before it turns into a bigger cleanup job later.
Real Founder Story: The Cost of Missing 83
Real Founder Story: The Cost of Missing 83. Here's what that covers: founder received $200k stock grant, missed 83(b) by 2 days, and how it plays out in practice.
Founder received $200K stock grant
Founder received $200K stock grant. This is exactly the kind of detail that's easy to skip and expensive to fix retroactively.
Missed 83(b) by 2 days
Missed 83(b) by 2 days. Most spreadsheet-based cap tables miss this until someone asks a question they can't answer on the spot.
Years later: $150K unexpected tax bill
Years later: $150K unexpected tax bill. — specifically, vesting accrual.
How Lovie would have prevented this
How Lovie would have prevented this. It sounds minor until it isn't, usually right when an investor or new hire is looking at the numbers.
Competitor Comparison
Competitor Comparison. Here's what that covers: carta: mentions 83(b) in docs, no automation, pulley: mentions 83(b) e-filing, but unclear how, and how it plays out in practice.
Carta: Mentions 83(b) in docs, no automation
Carta: Mentions 83(b) in docs, no automation. This is the step most founders underestimate — worth getting right before it turns into a bigger cleanup job later.
Pulley: Mentions 83(b) e-filing, but unclear how
Pulley: Mentions 83(b) e-filing, but unclear how. It sounds minor until it isn't, usually right when an investor or new hire is looking at the numbers.
Lovie: Auto-remind, pre-fill form, archive, one platform
Lovie: Auto-remind, pre-fill form, archive, one platform. Get this wrong early and it compounds quietly until your next round forces the issue.
None of this has to live in a spreadsheet you're afraid to open. For more on 83b election filing deadline rules, Lovie Cap Table is built to handle it alongside formation, funding, and equity tracking — not as three separate tools.