Legal Question in Business Law in Ohio

Probably not, since you are aware of the facts it seems they were trying to make a settlement rather than trick you.

Good luck.

You didn't say anything here that would lead us to believe fraud was an issue. If you have a contract with them to provide services for a certain fee, that can be enfored. The fact that they might offer an equity share in leiu of payment isn't a fraud. You can decline and request payment according to your contract.