0000102729 2026-10-20 2026-10-20 0000102729 false 8-K 2026-10-20 Valmont Industries, Inc. DE 1-31429 47-0351813 15000 Valmont Plaza 68154 Omaha, NE 402 963-1000 false false false false Common Stock, $1.00 par value VMI NYSE false