X0306 4 2017-01-26 0 0001301501 Achaogen Inc AKAO 0001600359 Hillan Kenneth J. C/O ACHAOGEN, INC. 7000 SHORELINE COURT, #371 SOUTH SAN FRANCISCO CA 94080 1 1 0 0 Chief Executive Officer Common Stock 2017-01-26 4 S 0 1431 16.78 D 63197 D The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of Restricted Stock Units of the Issuer. Includes 53,850 Restricted Stock Units and 3,000 shares acquired under the Issuer's Employee Stock Purchase Plan on November 30, 2016. /s/ Pattie Chiang, Attorney-in-Fact for Kenneth Hillan 2017-01-30