X0306 4 2018-08-16 0 0001054721 BSQUARE CORP /WA BSQR 0001740924 Walsh Kevin T C/O BSQUARE CORPORATION 110 110TH AVENUE NE, STE 300 BELLEVUE WA 98004 0 1 0 0 Acting CEO Common Stock 2018-08-16 4 P 0 2291 1.999 A 9401 D Common Stock 2018-08-16 4 P 0 123 1.95 A 9524 D Common Stock 2018-08-16 4 P 0 1586 1.90 A 11110 D Represents shares that were withheld to pay the minimum tax liability for the restricted stock units that vest on July 13, 2018. /s/Kevin Walsh 2018-08-17