Attached files

file filename
EX-32.1 - EXHIBIT 32.1 CERTIFICATION BY CEO PURSUANT TO 18 U.S.C. SECTION 1350 - Knight-Swift Transportation Holdings Inc.knx-ex321x03312021.htm
EX-32.2 - EXHIBIT 32.2 CERTIFICATION BY CFO PURSUANT TO 18 U.S.C. SECTION 1350 - Knight-Swift Transportation Holdings Inc.knx-ex322x03312021.htm
EX-31.2 - EXHIBIT 31.2 CERTIFICATION BY CFO PURSUANT TO RULE 13A-14(A) OR 15D-14(A) - Knight-Swift Transportation Holdings Inc.knx-ex312x03312021.htm
EX-31.1 - EXHIBIT 31.1 CERTIFICATION BY CEO PURSUANT TO RULE 13A-14(A) OR 15D-14(A) - Knight-Swift Transportation Holdings Inc.knx-ex311x03312021.htm
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