0001593968-21-002009 4 1 20210821 20210824 20210824 Rayabhari Madhusudhan 0001832524 4 34 001-06395 211202864 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 2021-08-21 0000088941 SEMTECH CORP SMTC 0001832524 Rayabhari Madhusudhan 200 FLYNN RD. CAMARILLO CA 93012 false true false false VP and GM Common Stock 2021-08-21 4 M false 1250 0 A 12077 D Common Stock 2021-08-21 4 F false 433 63.4 D 11644 D Common Stock 2021-08-22 4 M false 1250 0 A 12894 D Common Stock 2021-08-22 4 F false 433 63.4 D 12461 D Restricted Stock Unit 2021-08-22 4 M false 1250 0 D SMTC 1250 1250 D Restricted Stock Unit 2021-08-21 4 M false 1250 0 D SMTC 1250 2500 D Each stock unit is the economic equivalent of one share of Semtech common stock. This grant vests in four annual installments beginning on August 22, 2019. This grant vests in four annual installments beginning on August 21, 2020. s/Madhusudhan Rayabhari by Charles B. Ammann under Power of Attorney dated November 23, 2020 (Copy On File) 2021-08-24