X0508 4 2023-07-28 0 0001492691 Knight-Swift Transportation Holdings Inc. KNX 0001187342 KNIGHT KEVIN P 5601 WEST BUCKEYE ROAD PHOENIX AZ 85043 1 1 0 0 Executive Chairman 1 Class A Common Stock 2023-07-28 4 S 0 100000 60.1868 D 1497360 I Trust The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 10, 2022. The price reported is a weighted average price. The shares sold in multiple transactions at a price ranging from $59.90 to $60.41, inclusive. The reporting person undertakes to provide to 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 this footnote to Form 4. James E. Brophy, Attorney in Fact 2023-08-01