0001694426 2022-01-05 2022-01-05 0001694426 false 8-K 2022-01-05 DELEK US HOLDINGS, INC. DE 001-38142 35-2581557 7102 Commerce Way Brentwood TN 37027 615 771-6701 false false false false Common Stock, $0.01 par value DK NYSE false