X0306 4 2018-02-01 0 0000911109 MOBILE MINI INC MINI 0001439283 Miner Christopher J 4646 E VAN BUREN STREET SUITE 400 PHOENIX AZ 85008 0 1 0 0 Senior VP & General Counsel Common Stock $0.01 Par Value 2018-02-01 4 A 0 4610 0.00 A 35800 D Common Stock $0.01 Par Value 2018-02-01 4 A 0 4610 0.00 A 40410 D Common Stock $0.01 Par Value 2018-02-01 4 F 0 624 38.20 D 39786 D Employee Stock Option 32.55 2018-02-01 4 A 0 4157 0.00 A 2018-02-28 2028-02-01 Common Stock $0.01 Par Value 4157 10778 D The Restricted Stock vest equally over three years on the anniversary date of the grant. The Restricted Stock vests in three equal annual installments beginning on February 01, 2019, subject to the achievement of certain performance targets. Shares withheld to satisfy tax withholding for vesting of restricted stock. Additional stock options awarded as a result of company exceeding target based achievements for stock options awarded on 2/01/2017. Christopher Miner 2018-02-05