Estimated Tax Payments After ISO Exercise: Avoid the AMT Penalty
ISO exercises can trigger AMT estimated tax requirements. Learn safe harbor rules, quarterly payment deadlines, and how to avoid the IRS underpayment penalty.
Mike Navarro··12 min read
Do I Need to Pay Estimated Taxes on RSU Income?
Learn when RSU vesting triggers estimated tax payment requirements, why 22% withholding creates a shortfall, and how to avoid IRS underpayment penalties.
Mike Navarro··12 min read
2026 Federal Tax Brackets and Tax Rate Schedules (IRS Official)
Complete 2026 federal income tax brackets for all filing statuses with IRS-sourced tax rate schedules, standard deductions, AMT exemptions, FICA thresholds, and capital gains rates.
Mike Navarro··11 min read
Stock Options Tax Calculator: ISO and NSO Tax Impact Compared
Compare the tax impact of exercising ISOs vs NSOs with our free stock options tax calculator. See how exercise timing, holding periods, and AMT affect your bottom line.
Mike Navarro··9 min read
Equity Compensation Calculator: ISOs, RSUs, and 83(b) Elections in One Tool Suite
Free equity compensation calculators for ISOs, RSUs, 83(b) elections, and IPO lock-up planning. Find your AMT-free limit, RSU withholding shortfall, and optimal exercise strategy.
Mike Navarro··7 min read
IPO Lock-Up Period: What Happens to Your Shares and Tax Strategy
During a 180-day IPO lock-up, you can't sell shares but may still owe taxes. Learn about the liquidity gap, 5 financing options, and how to plan ahead.
Mike Navarro··10 min read
How Are RSUs Taxed? A Complete Guide to Vesting, Selling, and Withholding
RSUs are taxed twice: as ordinary income when they vest, and as capital gains when you sell. Learn exactly how each event is taxed and how to minimize your bill.
Mike Navarro··11 min read
When to Exercise Stock Options: Timing Strategies for Maximum Value
The timing of your stock option exercise can save or cost you hundreds of thousands in taxes. Compare 4 exercise timing strategies with concrete examples.
Mike Navarro··10 min read
RSU Tax Withholding: Why 22% Is Never Enough (and What to Do About It)
Your employer withholds 22% on RSU income, but your actual tax rate is 40-55%. Learn why the gap exists and 3 ways to avoid an April surprise.
Mike Navarro··9 min read
Exercise Stock Options Before IPO: Tax Implications and Strategy Guide
Should you exercise stock options before your company goes public? This guide covers the tax implications of pre-IPO exercises, 83(b) elections, AMT planning, and multi-year strategies.
Mike Navarro··8 min read