There are many options for a company that hits performance metrics. The big ones would be re-inveermemt back into the company after the employee and shareholder compensation reaches the limit. A company with several departments that see a growth in their budgets will improve the value of the company and at the same time will see improvements to quality of life for the employees.
More ideas for excise wealth:
spinning off functions from the parent company to become other companies a flat, one time bonus for all employees expansion of employee benefits social program investments, like parks, schools, recreation centers, local sports teams, libraries, etc. community improvement projects (which are constantly underfunded)
If the extra wealth was actually allowed to trickle throughout the people, it would be an explosion of improvements to community health and well being. Businesses would directly help the people who patronize it, leading to more recognition (ie free advertising) for the companies who contribute the most.
There are many, many options for how to weigh the value the of a company, the performance of its books, and find a way to keep the business thriving while not sucking out the money of its customers.