X0609 4 2026-08-31 0000310354 STANDEX INTERNATIONAL CORP/DE/ SXI 0001595316 Dunbar David A. false 23 KEEWAYDIN DRIVE SUITE 300 SALEM NH 03079 1 1 President/CEO/Chairman 1 Common Stock 2026-08-31 4 S 0 4000 290.8124 D 84973 I Trustee of Trust Common Stock 2026-08-31 4 S 0 9000 290.8175 D 75973 I Trustee of Trust Common Stock 11305.9759 D Sale of stock pursuant to existing 10b5-1 trading plan dated May 21, 2026. The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $289.25 to $297.69, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $289.25 to $296.63, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, the Corporation or any security holder of the Corporation, upon request, full information regarding the number of shares sold at each separate price. /s/ Kristine L. Ouimet 2026-09-01