Equity calculator

Model private ISOs/NSOs with dilution, or project RSU value for public companies. Approximations, not tax advice — ignore the output for AMT planning.

Grant inputs

Shares grantedStrike ($/share)Current FMV / 409A ($/share)Vest yearsDilution %/yearCompany valuation today ($)

Exit scenarios (gross spread)

×	Exit val.	Your shares	Gross
1×	$500.00M	20,880	$115k
2×	$1000.00M	20,880	$282k
3×	$1500.00M	20,880	$449k
5×	$2500.00M	20,880	$783k
10×	$5000.00M	20,880	$1.62M

Ignores preference stack. In a down-round exit, common-stockholders can end up with zero even at positive headline valuations. Also ignores AMT on ISO spread at exercise.