The investors could bring a derivative suit against the officers of the corporation. They wouldnt be collecting from the corporation, but from the officers of the corporation (https://en.wikipedia.org/wiki/Derivative_suit).

Presumably it would not be feasible to collect large sums from the officers, but they frequently do have D&O insurance policies that could kick in (https://en.wikipedia.org/wiki/Directors_and_officers_liabili...)