0001593968-21-002261 4 1 20211008 20211012 20211012 CHUKWU EMEKA 0001381846 4 34 001-06395 211318999 200 FLYNN ROAD CAMARILLO CA 93012-8790 SEMTECH CORP 0000088941 3674 952119684 DE 0130 200 FLYNN ROAD CAMARILLO CA 93012-8790 8054982111 200 FLYNN ROAD CAMARILLO CA 93012-8790 4 1 primary_01.xml PRIMARY DOCUMENT X0306 4 2021-10-08 0000088941 SEMTECH CORP SMTC 0001381846 CHUKWU EMEKA 200 FLYNN ROAD CAMARILLO CA 93012-8790 false true false false EVP and CFO Common Stock 2021-10-08 4 S false 890 78.5305 D 99689 D This price represents the weighted average of these sales. The prices ranged from $78.51 to $78.67. Price and share details are available upon request. /s/Emeka Chukwu by Charles B. Ammann under Power of Attorney dated February 25, 2014 (Copy On File) 2021-10-12