What makes you think the executives are making anything from this? It's a startup, it ran out of money, it failed, there is nothing left. Joining a startup is risky.
Because the executives (almost) always make sure that they are compensated before the fall.
Not when a company shuts down like this. If they did, the investors would claw it all back through the courts. The founders and executives walk away from this with $0.
How many people are leading a 1500-headcount company on a zero salary? Even Steve Jobs couldn't do it without backdating options to make himself Rockefeller while acting like Gandhi.