Your current work situation has nothing to do with them. If I was the founder and you told me that my startup wasn't as stable a job as your current gig, that

Your current work situation has nothing to do with them. If I was the founder and you told me that my startup wasn't as stable a job as your current gig, that would tell me you don't have the stomach for startup life. Also, if you want more equity, just ask them if the equity side is negotiable. They will get the hint.