X0306 4 2018-02-20 0 0000932696 INSIGHT ENTERPRISES INC NSIT 0001544039 LEIGHTY DANA A. 6820 SOUTH HARL AVENUE TEMPE AZ 85283 0 1 0 0 VP, PAO Common Stock 2018-02-20 4 M 0 648 0.00 A 6052 D Common Stock 2018-02-20 4 F 0 219 35.31 D 5833 D Common Stock 2018-02-20 4 M 0 575 0.00 A 6408 D Common Stock 2018-02-20 4 F 0 194 35.31 D 6214 D Common Stock 2018-02-20 4 M 0 677 0.00 A 6891 D Common Stock 2018-02-20 4 F 0 229 35.31 D 6662 D Common Stock 2018-02-20 4 M 0 394 0.00 A 7056 D Common Stock 2018-02-20 4 F 0 133 35.31 D 6923 D Common Stock 2018-02-20 4 M 0 1149 0.00 A 8072 D Common Stock 2018-02-20 4 F 0 333 35.31 D 7739 D Common Stock 2018-02-20 4 M 0 1862 0.00 A 9601 D Common Stock 2018-02-20 4 F 0 521 35.31 D 9080 D Common Stock 2018-02-20 4 M 0 885 0.00 A 9965 D Common Stock 2018-02-20 4 F 0 252 35.31 D 9713 D Restricted Stock Units 2018-02-20 4 M 0 648 0.00 D Common Stock 648 0 D Restricted Stock Units 2018-02-20 4 M 0 575 0.00 D Common Stock 575 574 D Restricted Stock Units 2018-02-20 4 M 0 677 0.00 D Common Stock 677 1353 D Restricted Stock Units 2018-02-20 4 M 0 394 0.00 D Common Stock 394 1180 D Restricted Stock Units 2018-02-20 4 M 0 1149 0.00 D Common Stock 1149 0 D Restricted Stock Units 2018-02-20 4 M 0 1862 0.00 D Common Stock 1862 1860 D Restricted Stock Units 2018-02-20 4 M 0 885 0.00 D Common Stock 885 1770 D Restricted Stock Units 2018-02-20 4 A 0 1983 0.00 A Common Stock 1983 1983 D Restricted Stock Units 2018-02-20 4 A 0 2974 0.00 A Common Stock 2974 2974 D Insight Enterprises, Inc. has withheld the number of whole shares necessary to satisfy the minimum statutory tax withholding obligations. The value of the vested shares (and the taxable income) is calculated based on the closing price on the vesting date or next preceding trading date in the case that the vesting date is a non-trading date. Each restricted stock unit represents a contingent right to receive one share of Common Stock of Insight Enterprises, Inc. The restricted stock units were granted on February 20, 2014, with vesting to occur in four equal annual installments beginning February 20, 2015. The restricted stock units were granted on February 20, 2015, with vesting to occur in four equal annual installments beginning February 20, 2016. The restricted stock units were granted on February 20, 2016 with vesting to occur in four equal annual installments beginning February 20, 2017. The restricted stock units were granted on February 20, 2017 with vesting to occur in four equal annual installments beginning February 20, 2018. The number of restricted stock units increases or decreases with non-GAAP return on invested capital against budgeted non-GAAP return on invested capital, and the restricted stock units will vest in three equal annual installments beginning February 20, 2016. The number of restricted stock units was subject to increase or decrease with the Company's performance against specific objectives defined in advance of the grant date. The revenue and profit performance objectives were achieved above target and the restricted stock units were increased accordingly. The restricted stock units vest in three equal annual installments beginning February 20, 2017. The number of restricted stock units was subject to increase or decrease with the Company's performance against specific objectives defined in advance of the grant date. The revenue and profit performance objectives were achieved above target and the restricted stock units were increased accordingly. The restricted stock units vest in three equal annual installments beginning February 20, 2018. The restricted stock units were granted on February 20, 2018 with vesting to occur in four equal annual installments beginning February 20, 2019. The number of restricted stock units increases or decreases with the Company's performance against specific objectives defined in advance of the grant date, and the restricted stock units will vest in three equal annual installments beginning February 20, 2019. Lisanne Steinheiser, by Power of Attorney, for Dana A. Leighty 2018-02-22