0001104659-10-050051 4 1 20100927 20100927 20100927 Trubion Pharmaceuticals, Inc 0001298521 2834 000000000 DE 1231 2401 4TH AVENUE SUITE 1050 SEATTLE WA 98121 2068380500 2401 4TH AVENUE SUITE 1050 SEATTLE WA 98121 ABBOTT BIOTHERAPEUTICS CORP 0001441848 2834 DE 1231 4 34 001-33054 101091028 1500 SEAPORT BLVD. REDWOOD CITY CA 94063 650-454-1000 1500 SEAPORT BLVD. REDWOOD CITY CA 94063 FACET BIOTECH CORP 20080903 Biotech Spinco, Inc. 20080804 4 1 a4.xml 4