Free equity calculators
Quick estimates you can run before you talk to anyone. Nothing is stored.
AMT calculator
Estimate the alternative minimum tax on an ISO exercise before you place it.
RSU tax calculator
See the withholding gap between the 22% supplemental rate and your real marginal rate.
ISO exercise cost calculator
Total cash needed: strike price, spread and estimated AMT.
83(b) deadline tracker
Enter your grant or exercise date and get the exact 30-day filing deadline.