X0306 4 2015-07-31 0 0001114220 KERYX BIOPHARMACEUTICALS INC KERX 0001537670 Holmes Scott A C/O KERYX BIOPHARMACEUTICALS, INC. 750 LEXINGTON AVENUE NEW YORK NY 10022 0 1 0 0 Chief Financial Officer Common Stock 2015-07-31 4 S 0 2758 7.87 D 49742 D Sale of a total of 2,758 shares of common stock was made in order to satisfy Mr. Holmes' income tax withholding obligation upon the vesting of 7,500 shares of restricted stock on July 27, 2015. Mr. Holmes had no discretion with respect to such sale, which was transacted automatically in accordance with the Issuer's corporate policies regarding the vesting of restricted stock. Includes 45,000 shares of restricted stock. /s/ Brian Adams 2015-08-03