I think you would need to start taxing equity grants for that to have the effect you want. Otherwise, executives just won't sell more equity than $3m a year. An

I think you would need to start taxing equity grants for that to have the effect you want. Otherwise, executives just won't sell more equity than $3m a year. And when they found new companies and non-profits, they'll just grant the equity directly and never have paid any personal taxes on it.