You don't, and probably for a few reasons. An employee is not seen as being as important to the company as the people with many millions of dollars. "Open up

You don't, and probably for a few reasons. An employee is not seen as being as important to the company as the people with many millions of dollars. "Open up your books or I won't come on board" won't make the company think twice about letting you leave. If a VC with $25m wants to look at the books, the company will at least think about it. On top of that, the people with millions of dollars can hire much better lawyers and such who can truly analyze a company a lot better than your average employee.