X0306 4/A 2017-04-01 2017-04-04 false 0001100412 ARRAY BIOPHARMA INC ARRY 0001454001 Squarer Ron C/O ARRAY BIOPHARMA INC. 3200 WALNUT STREET BOULDER CO 80301 true true false false CEO Common Stock 2017-04-01 4 F false 17563.00 8.94 D 115683.00 D This amendment to form 4 is being filed to correct number of shares withheld to satisfy the reporting person's tax withholding obligations in connection with the vesting of Restricted Stock Units, and to correct the ending balance previously reported on a form 4 by the reporting person. The ending balance has also been corrected to include 6,877 shares purchased pursuant to the issuer's Employee Stock Purchase Plan on December 31, 2016. No other information in such form 4 is being amended. John R. Moore, attorney-in-fact for Reporting Person 2017-04-06