1. is it an ai lab with a well know founder -> equity might be worth something
2. are you the CEO founder? -> equity might be worth something
3. are you a non CEO co founder? -> equity might be worth something, will probably be stolen from you
4. is the company a year or two from a certain IPO? equity might be worth something
5. all other cases likely zero
All authorized shares are issued, and then the charter is amended through board action and more shares are authorized and issued at each stage.
If it's a positive outcome, then preference has no role.
This game models good outcomes, with warnings for things like down rounds
Reinvesting is a minority, edge case. I can't think of a single VC company in the Bay area that can have founders reinvest shares and not cause issues raising.