X0508 4/A 2026-01-26 2026-01-28 0000039368 FULLER H B CO FUL 0002092680 Martin Celine Christine 1200 WILLOW LAKE BOULEVARD P.O. BOX 64683 ST. PAUL MN 55164-0683 1 0 Restricted Stock Units 0.0000 2026-01-26 4 A 0 1300.0000 0.0000 A 2028-12-01 2028-12-01 Common Stock 1300.0000 1300.0000 D These restricted stock units convert into shares of common stock on a 1-for-1 basis. This amendment is being filed to correct the vesting information reported. The reported restricted stock units vest in full on December 1, 2028. /s/ Patrick J. Seul, Attorney-in-Fact 2026-02-04