changed my status from h1b to h4,is it possible to again h1b with new employer

First time i got h1b worked for 6 months then changed to h4, now again plan to apply for h1b with different employer. is that possible. I didnot have any proof like experience certificate only paystub i have from my old employeer. if my new employerr apply for h1b do i need any proof from my old employeer or is that any problem? Thanks four your help on this

Yes can apply for h1 if interested kindly send your updated resume and prior copy of h1 on