X0306 4 2019-02-09 0 0000793547 NAVIGATORS GROUP INC NAVG 0001244460 GALANSKI STANLEY A C/O THE NAVIGATORS GROUP, INC. 400 ATLANTIC STREET, 8TH FLOOR STAMFORD CT 06901 1 1 0 0 President & CEO Common Stock 2018-11-15 4 G 0 18000 0.00 D 327945 D Common Stock 2019-02-09 4 A 0 2138 69.82 A 330083 D Common Stock 2019-02-09 4 F 0 934 69.82 D 329149 D Common Stock 2019-02-10 4 A 0 2330 69.82 A 331479 D Common Stock 2019-02-10 4 F 0 1034 69.82 D 330445 D Excludes unvested shares of stock awards over which the Reporting Person does not have voting or dispositive control. Vesting of performance units grant, which was previously reported. Shares withheld to satisfy tax obligation arising out of vesting of performance units. Deepa R. Nayini, attorney-in-fact 2019-02-12