X0609 4 2026-06-30 0000763532 LSI INDUSTRIES INC LYTS 0001756328 Clark James Anthony false 10000 ALLIANCE RD CINCINNATI OH 45242 true true false false CEO and President false Common Shares 2026-06-30 5 A false 7125 A 217366 D Common Shares 421313 D Common shares acquired in the LSI Industries Inc. Non-Qualified Deferred Compensation Plan during the quarters ended March 31, 2026 and June 30, 2026 at prices ranging from $18.51 to $26.56 per share. /s/ F. Mark Reuter as Attorney-in-Fact for James A. Clark 2026-07-01