All of Albert, Bob, Carl and Dan work full time and plan to continue working for a long time on the project and consider themselves cofounders.
The project is a proprietary trading algorithm whose future profits are uncertain depending on competition and market conditions. Their plan is to scale up as a proprietary trading firm.
What would be a fair equity split between A, B, C, and D ?
My best guess is 50 35 10 5. Maybe 51 41 4 4. Something in that range.
It could be radically different though is we knew more about what each person had at risk. For example, are any taking less or no salary?