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83(b) Election Timing

⬢ 層級 3領域
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A Backslash-83(b) election is a 30-day IRS filing that lets employees pay income tax on unvested stock NOW instead of when it vests, turning future capital gains into lower-tax gains. Misstiming costs founders 40-60k per person. Learning the mechanics, timing, and when to elect takes 3-4 weeks, but the ROI is six figures per startup. Critical for Series A prep, equity refreshes, and board-level compensation planning.

什麼是 83(b) Election Timing

Section 83(b) of the Internal Revenue Code is a filing that lets someone recognize income on restricted stock immediately (at grant) instead of at vesting. When you get restricted stock that vests over 4 years, the default tax treatment is: you owe income tax on each vesting tranche as it vests, at the stock's fair market value at that time. Filing a Backslash-83(b) election flips this: you owe income tax immediately, at the grant price (usually much lower or $0), and then all future appreciation is capital gains. The window to file is 30 days from the grant date. Miss it and you cannot amend, refile, or appeal, the election is lost forever.

🔧 工具與生態
IRS Section 83(b) formsequity tracking spreadsheetstax planning softwarevesting calculatorscap table managementstock option modelingAMT calculators

💰 各地區薪資

地區初級中級高級
USA$90,000$160,000$250,000
UK£55,000£95,000£150,000
EU€60,000€105,000€160,000
CANADACA$95,000CA$165,000CA$255,000

❓ 常見問題

What's the 83(b) election and why does it matter?
IRC Backslash-83(b) lets you pay income tax on restricted stock at grant (fair market value) instead of at vesting (higher value). File within 30 days of grant or you lose the election forever. Founders using this save $50k+ per early hire by paying capital gains rates later instead of ordinary income rates.
What happens if you miss the 30-day deadline?
You forfeit the election. Your equity is now taxed at vesting. If stock went from $1 grant price to $50 at cliff, you owe ordinary income tax on $49 per share. That $100k grant becomes a $50k tax bill. You cannot amend or refile.
Who needs to file a Backslash-83(b) and who doesn't?
Anyone receiving restricted stock (vesting over time) should file. ISOs (incentive stock options) don't need Backslash-83(b) but benefit from ISO timing rules. RSUs typically don't need it because tax is withheld at vesting automatically. Founders almost always should.
What's the tax impact if stock drops after I file?
Bad outcome. You paid income tax on the grant price. If stock is worth $0 at vesting, you took a tax hit on phantom gains. You can claim a Backslash-165 loss, but it's capped at $3k/year. This is why founders should only file if they're confident about the company's prospects.
How does Backslash-83(b) interact with ISO/NSO elections?
Different vehicles. ISOs have built-in favorable tax treatment (hold 1yr + 2yr from grant for long-term capital gains). NSOs are taxed at grant or vesting depending on whether they're restricted. Backslash-83(b) is about timing the ordinary income tax hit.
Should I file Backslash-83(b) on every equity grant?
No. File if: founder, early employee (first 5 years), or stock price likely to go up. Don't file if: joining post-Series B, grants are fully vested on grant, company has low growth prospects, or you plan to leave soon.
What if I file Backslash-83(b) and then the company gets acquired?
You already paid ordinary income tax on the difference between grant price and FMV at grant. At exit, you pay capital gains only on gains after your election date. This is usually favorable. Without the election, you'd owe ordinary income on the full amount.

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