0001593968-22-000695 4 1 20220305 20220308 20220308 Ammann Charles B. 0001470518 4 34 001-06395 22723288 200 FLYNN ROAD CAMARILLO CA 93012 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 2022-03-05 0000088941 SEMTECH CORP SMTC 0001470518 Ammann Charles B. 200 FLYNN ROAD CAMARILLO CA 93012-8790 false true false false EVP Common Stock 2022-03-05 4 M false 3334 0 A 6182 D Common Stock 2022-03-05 4 F false 1153 64.67 D 5029 D Restricted Stock Unit 2022-03-05 4 M false 3334 0 D SMTC 3334 0 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 5, 2020. /s/Charles B. Ammann 2022-03-08