X0306 4 2017-09-12 0 0001610618 Cidara Therapeutics, Inc. CDTX 0001478831 Stein Jeffrey 6310 NANCY RIDGE DRIVE SUITE 101 SAN DIEGO CA 92121 1 1 0 0 President & CEO Common Stock 2017-09-12 4 P 0 7350 6.79 A 51851 D Common Stock 203697 I By trust Common Stock 420 I By son The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $6.75 to $6.80, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above. /s/ Marc Wilson, Attorney-in-fact 2017-09-12