X0306 4 2022-08-08 0 0001492691 Knight-Swift Transportation Holdings Inc. KNX 0001395069 Liu Michael K 2002 WEST WAHALLA LANE PHOENIX AZ 85027 0 1 0 0 Exec. VP of Ops, Knight Trans Class A Common Stock 2022-08-08 4 S 0 4827 55.0547 D 0 D The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $55.05 to $55.08, inclusive. The reporting person undertakes to provide KNX, any security holder of KNX, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. /s/ James E. Brophy, Attorney in Fact 2022-08-09