0001593968-21-002559 4 1 20211221 20211221 20211221 Fulton Alistair 0001769738 4 34 001-06395 211510563 200 FLYNN ROAD CAMARILLO CA 93012-8790 Fulton Alisair 20190305 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 2021-12-21 0000088941 SEMTECH CORP SMTC 0001769738 Fulton Alistair 200 FLYNN RD. CAMARILLO CA 93012 false true false false VP and GM Common Stock 2021-12-21 4 S false 1200 85 D 9010 D /s/Alistair Fulton by Charles B. Ammann under Power of Attorney dated March 6, 2019 (Copy On File) 2021-12-21