0001593968-22-000782 4 1 20220328 20220328 20220328 Chang Christopher H 0001734745 4 34 001-06395 22777023 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 2022-03-28 0000088941 SEMTECH CORP SMTC 0001734745 Chang Christopher H 200 FLYNN RD. CAMARILLO CA 93012 false true false false SVP Common Stock 2022-03-28 4 M false 5000 34.75 A 23676 D Common Stock 2022-03-28 4 S false 5000 70.5611 D 18676 D Common Stock 2022-03-28 4 S false 1950 70.5857 D 16726 D Option (right to buy) 34.75 2022-03-28 4 M false 5000 34.75 D 2019-03-06 2024-03-06 SMTC 5000 0 D This price represents the weighted average of these sales. The prices ranged from $70.5750 to $70.5890. Price and share details are available upon request. This grant vests in four annual installments beginning on March 6, 2019. /s/Christopher H. Chang by Charles B. Ammann under Power of Attorney dated March 15, 2018 (Copy On File) 2022-03-28