If someone converted their Preferred shares they got Restricted stock. Not Preferred shares. I asked the same question, but it was said that the Restricted would be treated the same as the common stock, so they would be R/S also.
If BKMPP is still alive I dont know if that would be split, because it has its own CUSP, so wouldnt they would be split when the common/restricted are. I for one hope the Divy is still alive.