Dec 5 (Reuters) - Xencor Inc:

* XENCOR RECEIVES MILESTONE PAYMENT FROM AMGEN

* SAYS IT HAS EARNED A $10 MILLION MILESTONE PAYMENT FROM AMGEN

* SAYS MILESTONE PAYMENT TRIGGERED BY SUBMISSION OF INVESTIGATIONAL NEW DRUG APPLICATION FOR AMG 424

* XENCOR RECEIVES MILESTONE PAYMENT FROM AMGEN Source text for Eikon: Further company coverage: