0001593968-22-000736 4 1 20220309 20220311 20220311 CHUKWU EMEKA 0001381846 4 34 001-06395 22733771 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 2022-03-09 0000088941 SEMTECH CORP SMTC 0001381846 CHUKWU EMEKA 200 FLYNN ROAD CAMARILLO CA 93012-8790 false true false false EVP and CFO Common Stock 2022-03-09 4 M false 4460 0 A 113616 D Common Stock 2022-03-09 4 F false 1543 62.6 D 112073 D Restricted Stock Unit 2022-03-09 4 M false 4460 0 D SMTC 4460 8920 D Each stock unit is the economic equivalent of one share of Semtech common stock. This grant vests in three annual installments beginning on March 9, 2022. This grant vests in three annual installments beginning on March 9, 2022. /s/Emeka Chukwu by Charles B. Ammann under Power of Attorney dated February 25, 2014 (Copy On File) 2022-03-11