X0306 4 2021-12-06 0 0001492691 Knight-Swift Transportation Holdings Inc. KNX 0001187342 KNIGHT KEVIN P 2002 WEST WAHALLA LANE PHOENIX AZ 85027 1 1 0 0 Executive Chairman Restricted Stock Units 2021-12-06 4 A 0 20124 0 A Class A Common Stock 20124 20124 D Performance Restricted Stock Units 2021-12-06 4 A 0 15093 0 A Class A Common Stock 15093 15093 D Performance Restricted Stock Units 2021-12-06 4 A 0 15093 0 A Class A Common Stock 15093 15093 D Each restricted stock unit represents a contingent right to receive one share of KNX Class A Common Stock. The restricted stock units vest as follows: 33% on January 31, 2023? 33% on January 31, 2024? and 34% on January 31, 2025. Each performance based restricted stock unit represents a contingent right to receive one share of KNX Class A Common Stock, subject to adjustment, based on performance targets over a performance period ending on December 31, 2024. The number of derivative securities is subject to adjustment based on achieving or failing to achieve performance targets measured over a performance period ending December 31, 2024. Any shares earned under this award will vest on January 31, 2025. Each performance based restricted stock unit represents a contingent right to receive one share of KNX Class A Common Stock, subject to adjustment, based on certain relative performance targets over a performance period ending on December 31, 2024. /s/ James E. Brophy, Attorney in Fact 2021-12-08