X0508 4 2023-08-14 0000764401 INSTEEL INDUSTRIES INC IIIN 0001965305 Griffin Patrick K. 1373 BOGGS DRIVE MOUNT AIRY NC 27030 true Controller and CAO false Restricted Stock Unit 2023-08-14 4 A false 1210 0 A 1210 D Restricted Stock Unit 1239 D Option (right to buy) 30.99 2023-08-14 4 A false 2817 0 A 2024-08-14 2033-08-14 Common Stock 2817 2817 D Option (right to buy) 30.27 2024-02-14 2033-02-14 Common Stock 2837 2837 D Options vest 1/3 annually beginning one year from grant date. /s/Elizabeth C. Southern Attorney-in-Fact 2023-08-16