X0306 4 2018-02-22 0 0001466301 Clovis Oncology, Inc. CLVS 0001268374 SPICKSCHEN THORLEF C/O CLOVIS ONCOLOGY, INC. 5500 FLATIRON PARKWAY, SUITE 100 BOULDER CO 80301 1 0 0 0 Common Stock 2018-02-22 4 S 0 4500 60.00 D 16618 D The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 8, 2017. Exhibit List /s/ Thorlef Spickschen 2018-02-23