Provided are arylamine compounds having Formula I, II, III, or IV: ##STR00001## ##STR00002## ##STR00003## ##STR00004## wherein Ar is the same or different at each occurrence and is aryl having from 6 to 30 carbon atoms or heteroaryl having from 2 to 30 carbon atoms. Also provided are compositions comprising arylamine compounds. The invention also relates to use of such compounds in electronic devices, for example, organic electronic devices.