X0609 4 2026-05-12 0000863436 BENCHMARK ELECTRONICS INC BHE 0001282998 LAMNECK KENNETH T false 56 SOUTH ROCKFORD DRIVE TEMPE AZ 85288 true false false false false Common Stock 2026-05-12 4 S false 24263 81.49 D 47418 D /s/ Jason Eastburn by Power of Attorney for Kenneth T Lamneck 2026-05-12