Exhibit A AVD 3/21/17 Execution Execution Quantity Price 100 15.7 1570 100 15.65 1565 100 15.7 1570 100 15.675 1567.5 100 15.675 1567.5 100 15.675 1567.5 100 15.675 1567.5 100 15.575 1557.5 100 15.55 1555 5 15.55 77.75 95 15.5 1472.5 100 15.55 1555 100 15.55 1555 100 15.55 1555 100 15.55 1555 200 15.5 3100 200 15.55 3110 100 15.55 1555 100 15.5 1550 500 15.5 7750 100 15.45 1545 100 15.475 1547.5 100 15.4 1540 300 15.4 4620 50 15.3 765 50 15.3 765 100 15.35 1535 100 15.3 1530 100 15.3 1530 100 15.325 1532.5 100 15.325 1532.5 100 15.325 1532.5 100 15.35 1535 100 15.35 1535 100 15.35 1535 100 15.3 1530 100 15.3 1530 100 15.25 1525 200 15.2 3040 100 15.2 1520 100 15.2 1520 100 15.2 1520 100 15.2 1520 100 15.2 1520 100 15.15 1515 100 15.05 1505 100 15.05 1505 100 15 1500 100 15 1500 100 15.025 1502.5 100 15.025 1502.5 100 15 1500 100 15.025 1502.5 100 15 1500 100 15 1500 500 15.025 7512.5 100 15 1500 68 15 1020 100 15 1500 100 15 1500 32 15 480 500 15 7500 200 15 3000 100 15 1500 100 15 1500 600 15.05 9030 500 15.05 7525 700 15.05 10535 100 15 1500 100 15 1500 10000 152362.8 15.2363