Don't Let Your Equity Become a $50K Tax Trap
One wrong move can cost you $50K+. Get the exact numbers before you decide.
Find My Tax Risk
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Equity Tax Gap Analysis
Employer Withholds
Federal
$22,000
State
$10,400
Total Withheld
$32,400
You Actually Owe
Federal
$31,800
State
$15,400
Total Owed
$47,200
Hidden tax gap: $14,800 underpaid
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The 5 Equity Challenges Every Tech Employee Faces
Each stage has a tax trap that costs engineers tens of thousands. Every year.
Each Challenge Has a Solution
Professional-grade calculators to help you make confident decisions at every stage.
You Shouldn't Need a $1,500 CPA to Understand Your Equity
The same IRS Form 6251 calculations your accountant runs—in 60 seconds, not 3 weeks. All 5 calculators. One subscription.
How It Works
Choose your situation (ISO, RSU, 83(b), Multi-Year, IPO)
Enter your equity details (5 simple fields)
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60-Second Results
2-3 weeks waiting for CPA
Instant calculations
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Guessing or spreadsheet errors
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From $49/month
$1,500-$3,000 CPA consultation
All 5 calculators included
Save $1,450+
Stop Guessing. The Stakes Are Too High.
One wrong decision could cost you $40K+. Get the exact numbers in 60 seconds.
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Which Calculator Do You Need?
Each calculator is designed to solve a specific equity compensation challenge
Not sure which one you need? Explore all features
Professional-Grade Tax Analysis
The same methodology your CPA uses — a fraction of the cost.
Free to start — results in 60 seconds
Trusted by Tech Employees at 200+ Startups
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CA, NY, WA, TX supported
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Choose the plan that fits your needs. Both plans include full access to all calculators and our 30-day money-back guarantee.
Traditional CPA ISO Consultation: $1,500-$2,500 + 3 weeks waiting
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Your 2026 Equity Tax Calendar
Every deadline, filing date, and optimization window — organized month by month and customized for your state.
- All 4 equity types: ISOs, RSUs, 83(b), IPO lock-ups
- State-specific tax rates and deadlines
- Month-by-month action items
- Fill-in worksheet for your equity details
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Frequently Asked Questions
Everything you need to know about equity compensation taxes — ISOs, RSUs, 83(b) elections, and more.
General Equity Questions
Overview of our equity compensation calculators
ISO & AMT Questions
Stock options and Alternative Minimum Tax
RSU Questions
Restricted Stock Units and withholding gaps
83(b) Election Questions
Early exercise elections and deadlines
How It Works
What to expect when you use our calculators
Trust & Guarantees
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The Cost of Guessing Is Too High.
One wrong move can cost you $40K+. Know your numbers before you decide.
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Access all 5 equity calculators, get detailed tax analysis, and share results with your CPA. If you're not completely satisfied, get a full refund within 30 days — no questions asked.