X0306 4 2017-11-09 0000882095 GILEAD SCIENCES INC GILD 0001387521 Meyers James R GILEAD SCIENCES, INC. 333 LAKESIDE DRIVE FOSTER CITY CA 94404 1 EVP Worldwide Commercial Ops Common Stock 2017-11-09 4 A 0 2700 0 A 5415 D Common Stock 2017-11-09 4 F 0 1373 73.02 D 4042 D Common Stock 2017-11-09 5 G 0 E 1327 0 D 2715 D Common Stock 2017-11-09 5 G 0 E 1327 0 A 129760 I By Trust Issuance of common stock upon vesting of certain performance share awards on November 9, 2017. /s/ Marissa Song by Power of Attorney for James R. Meyers 2017-11-13