Much lighter options would be say ban stock based compensation. Or if given in lieu of money treat it as income taxed under income tax. Second one is to fully ban stock buybacks.

Simple and easy moves to start with.

Which is what? Because if your solution is "get rid of all C-suite executives", obviously some new person (or some new group) has to be given the final say on decisions in the company and what's to stop them from becoming corrupt or otherwise problematic?