X0202 4 2008-01-31 0 0001298521 Trubion Pharmaceuticals, Inc TRBN 0001229765 BURRIS MICHELLE 20235 SE 19TH STREET SAMMAMISH WA 98075 0 1 0 0 Senior V.P. and C.F.O. Common Stock 0 D Employee Stock Option (right to buy) 8.98 2008-01-31 4 A 0 52000 0.00 A 2018-01-31 Common Stock 52000 52000 D Such option vests 1/48 monthly beginning on February 1, 2008, with 100% vested on January 1, 2012, subject, however, to the reporting person's continuing provision of service to the issuer on such vesting dates. /a/ Michelle Burris 2008-03-11