0000039368 2026-03-25 2026-03-25 false 0000039368 8-K 2026-03-25 H.B. Fuller Company MN 001-09225 41-0268370 1200 Willow Lake Boulevard, P.O. Box 64683 St. Paul MN 55164-0683 651 236-5900 Common Stock, par value $1.00 FUL NYSE false false false false false