{"transactions":[{"id":1960137,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-09","kind":"exercise","acquired":false,"shares":4460,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This grant vests in three annual installments beginning on March 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 9, 2022."}],"balance_after":4460,"derivative":{"underlying":"SMTC","underlying_shares":4460},"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1960136,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-08","kind":"exercise","acquired":false,"shares":5857,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 8, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This grant vests in three annual installments beginning on March 8, 2023."}],"balance_after":11715,"derivative":{"underlying":"SMTC","underlying_shares":5857},"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1960135,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-09","kind":"tax_withholding","acquired":false,"shares":1543,"price":30.81,"value":47539.83,"ownership":{"direct":true},"balance_after":123163,"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1960134,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-09","kind":"exercise","acquired":true,"shares":4460,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":124706,"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1960133,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-08","kind":"tax_withholding","acquired":false,"shares":2026,"price":30.21,"value":61205.46,"ownership":{"direct":true},"balance_after":120246,"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1960132,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-11T01:49:06.000Z","date":"2023-03-08","kind":"exercise","acquired":true,"shares":5857,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":122272,"source":{"system":"sec-edgar","filing":"0001593968-23-000463","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000463/primary_01.xml","form_type":"4"}},{"id":1962174,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2023-03-10T02:06:16.000Z","date":"2023-03-07","kind":"grant","acquired":true,"shares":32770,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 7, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This grant vests in three annual installments beginning on March 7, 2024."}],"balance_after":32770,"derivative":{"underlying":"SMTC","underlying_shares":32770},"source":{"system":"sec-edgar","filing":"0001593968-23-000454","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000454/primary_01.xml","form_type":"4"}},{"id":1967663,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2023-03-07T22:57:45.000Z","date":"2023-03-03","kind":"exercise","acquired":false,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 3,2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This grant vests in three annual installments beginning on March 3,2021."}],"balance_after":0,"derivative":{"underlying":"SMTC","underlying_shares":6852},"source":{"system":"sec-edgar","filing":"0001593968-23-000436","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000436/primary_01.xml","form_type":"4"}},{"id":1967662,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-07T22:57:45.000Z","date":"2023-03-03","kind":"tax_withholding","acquired":false,"shares":2510,"price":31.51,"value":79090.1,"ownership":{"direct":true},"balance_after":116415,"source":{"system":"sec-edgar","filing":"0001593968-23-000436","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000436/primary_01.xml","form_type":"4"}},{"id":1967661,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2023-03-07T22:57:45.000Z","date":"2023-03-03","kind":"exercise","acquired":true,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":118925,"source":{"system":"sec-edgar","filing":"0001593968-23-000436","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396823000436/primary_01.xml","form_type":"4"}},{"id":2339022,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2022-03-11T21:47:31.000Z","date":"2022-03-09","kind":"exercise","acquired":false,"shares":4460,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 9, 2022."}],"balance_after":8920,"derivative":{"underlying":"SMTC","underlying_shares":4460},"source":{"system":"sec-edgar","filing":"0001593968-22-000736","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000736/primary_01.xml","form_type":"4"}},{"id":2339021,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-11T21:47:31.000Z","date":"2022-03-09","kind":"tax_withholding","acquired":false,"shares":1543,"price":62.6,"value":96591.8,"ownership":{"direct":true},"balance_after":112073,"source":{"system":"sec-edgar","filing":"0001593968-22-000736","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000736/primary_01.xml","form_type":"4"}},{"id":2339020,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-11T21:47:31.000Z","date":"2022-03-09","kind":"exercise","acquired":true,"shares":4460,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":113616,"source":{"system":"sec-edgar","filing":"0001593968-22-000736","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000736/primary_01.xml","form_type":"4"}},{"id":2340848,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2022-03-11T00:29:29.000Z","date":"2022-03-08","kind":"grant","acquired":true,"shares":17572,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This grant vests in three  annual installments beginning on March 8, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This grant vests in three annual installments beginning on March 8, 2023."}],"balance_after":17572,"derivative":{"underlying":"SMTC","underlying_shares":17572},"source":{"system":"sec-edgar","filing":"0001593968-22-000714","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000714/primary_01.xml","form_type":"4"}},{"id":2340847,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-11T00:29:29.000Z","date":"2022-03-08","kind":"grant","acquired":true,"shares":1715,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person was granted performance stock units by Semtech in Semtech's fiscal year 2022 that are eligible to vest based on Semtech's relative total stockholder return over a period of one, two and three years. This transaction represents the payment and vesting of the awards with respect to the first year in the performance period."}],"balance_after":109156,"source":{"system":"sec-edgar","filing":"0001593968-22-000714","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000714/primary_01.xml","form_type":"4"}},{"id":2346386,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2022-03-08T23:29:35.000Z","date":"2022-03-05","kind":"exercise","acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 5, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"This grant vests in three annual installments beginning on March 5, 2020."}],"balance_after":0,"derivative":{"underlying":"SMTC","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001593968-22-000688","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000688/primary_01.xml","form_type":"4"}},{"id":2346385,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-08T23:29:35.000Z","date":"2022-03-05","kind":"tax_withholding","acquired":false,"shares":1730,"price":64.67,"value":111879.1,"ownership":{"direct":true},"balance_after":107441,"source":{"system":"sec-edgar","filing":"0001593968-22-000688","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000688/primary_01.xml","form_type":"4"}},{"id":2346384,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-08T23:29:35.000Z","date":"2022-03-05","kind":"exercise","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":109171,"source":{"system":"sec-edgar","filing":"0001593968-22-000688","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000688/primary_01.xml","form_type":"4"}},{"id":2358306,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2022-03-04T01:22:40.000Z","date":"2022-03-03","kind":"exercise","acquired":false,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 3, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 3, 2021."}],"balance_after":6852,"derivative":{"underlying":"SMTC","underlying_shares":6852},"source":{"system":"sec-edgar","filing":"0001593968-22-000631","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000631/primary_01.xml","form_type":"4"}},{"id":2358305,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-04T01:22:40.000Z","date":"2022-03-03","kind":"tax_withholding","acquired":false,"shares":2370,"price":68.53,"value":162416.1,"ownership":{"direct":true},"balance_after":104171,"source":{"system":"sec-edgar","filing":"0001593968-22-000631","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000631/primary_01.xml","form_type":"4"}},{"id":2358304,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-03-04T01:22:40.000Z","date":"2022-03-03","kind":"exercise","acquired":true,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":106541,"source":{"system":"sec-edgar","filing":"0001593968-22-000631","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000631/primary_01.xml","form_type":"4"}},{"id":2386886,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2022-02-19T01:01:56.000Z","date":"2022-02-18","kind":"exercise","acquired":false,"shares":3750,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":17.51,"exercise_date":"2017-02-23","expiration_date":"2022-02-23","underlying":"Common Stock","underlying_shares":3750},"source":{"system":"sec-edgar","filing":"0001593968-22-000511","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000511/primary_01.xml","form_type":"4"}},{"id":2386885,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-19T01:01:56.000Z","date":"2022-02-18","kind":"sale","acquired":false,"shares":986,"price":70.3858,"value":69400.3988,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales.  The prices ranged from $70.1200 to 70.8300.  Price and share details are available upon request."}],"balance_after":99689,"source":{"system":"sec-edgar","filing":"0001593968-22-000511","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000511/primary_01.xml","form_type":"4"}},{"id":2386884,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-19T01:01:56.000Z","date":"2022-02-18","kind":"sale","acquired":false,"shares":2764,"price":69.4241,"value":191888.2124,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $69.0500 to $69.9650.  Price and share details are available upon request."}],"balance_after":100675,"source":{"system":"sec-edgar","filing":"0001593968-22-000511","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000511/primary_01.xml","form_type":"4"}},{"id":2386883,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-19T01:01:56.000Z","date":"2022-02-18","kind":"exercise","acquired":true,"shares":3750,"price":17.51,"value":65662.5,"ownership":{"direct":true},"balance_after":103439,"source":{"system":"sec-edgar","filing":"0001593968-22-000511","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000511/primary_01.xml","form_type":"4"}},{"id":2412516,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2022-02-05T00:45:28.000Z","date":"2022-02-04","kind":"exercise","acquired":false,"shares":3750,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3750,"derivative":{"exercise_price":17.51,"exercise_date":"2017-02-23","expiration_date":"2022-02-23","underlying":"SMTC","underlying_shares":3750},"source":{"system":"sec-edgar","filing":"0001593968-22-000412","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000412/primary_01.xml","form_type":"4"}},{"id":2412515,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-05T00:45:28.000Z","date":"2022-02-04","kind":"sale","acquired":false,"shares":98,"price":71.58,"value":7014.84,"ownership":{"direct":true},"balance_after":99689,"source":{"system":"sec-edgar","filing":"0001593968-22-000412","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000412/primary_01.xml","form_type":"4"}},{"id":2412514,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-05T00:45:28.000Z","date":"2022-02-04","kind":"sale","acquired":false,"shares":1575,"price":70.9369,"value":111725.6175,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales.  The prices ranged from $ 70.5150 to $71.5000.  Price and share details are available upon request."}],"balance_after":99787,"source":{"system":"sec-edgar","filing":"0001593968-22-000412","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000412/primary_01.xml","form_type":"4"}},{"id":2412513,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-05T00:45:28.000Z","date":"2022-02-04","kind":"sale","acquired":false,"shares":2077,"price":69.9383,"value":145261.8491,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales.  The prices ranged from $69.4300 to $70.3900.  Price and share details are available upon request."}],"balance_after":101362,"source":{"system":"sec-edgar","filing":"0001593968-22-000412","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000412/primary_01.xml","form_type":"4"}},{"id":2412512,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-02-05T00:45:28.000Z","date":"2022-02-04","kind":"exercise","acquired":true,"shares":3750,"price":17.51,"value":65662.5,"ownership":{"direct":true},"balance_after":103439,"source":{"system":"sec-edgar","filing":"0001593968-22-000412","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000412/primary_01.xml","form_type":"4"}},{"id":2428417,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2022-01-24T21:02:19.000Z","date":"2022-01-21","kind":"exercise","acquired":false,"shares":3750,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7500,"derivative":{"exercise_price":17.51,"exercise_date":"2017-02-23","expiration_date":"2022-02-23","underlying":"Common Stock","underlying_shares":3750},"source":{"system":"sec-edgar","filing":"0001593968-22-000276","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000276/primary_01.xml","form_type":"4"}},{"id":2428416,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-24T21:02:19.000Z","date":"2022-01-21","kind":"sale","acquired":false,"shares":1672,"price":74.5107,"value":124581.8904,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $74.4850 to $75.4500. Price and share details are available upon request."}],"balance_after":99689,"source":{"system":"sec-edgar","filing":"0001593968-22-000276","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000276/primary_01.xml","form_type":"4"}},{"id":2428415,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-24T21:02:19.000Z","date":"2022-01-21","kind":"sale","acquired":false,"shares":2078,"price":74.0997,"value":153979.1766,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $73.4750 to $74.4500. Price and share details are available upon request."}],"balance_after":101361,"source":{"system":"sec-edgar","filing":"0001593968-22-000276","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000276/primary_01.xml","form_type":"4"}},{"id":2428414,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-24T21:02:19.000Z","date":"2022-01-21","kind":"exercise","acquired":true,"shares":3750,"price":17.51,"value":65662.5,"ownership":{"direct":true},"balance_after":103439,"source":{"system":"sec-edgar","filing":"0001593968-22-000276","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000276/primary_01.xml","form_type":"4"}},{"id":2439530,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Stock Option (right to buy)","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"exercise","acquired":false,"shares":3750,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":11250,"derivative":{"exercise_price":17.51,"exercise_date":"2017-02-23","expiration_date":"2022-02-23","underlying":"Common Stock","underlying_shares":3750},"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439529,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"sale","acquired":false,"shares":185,"price":85.669,"value":15848.765,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This price represents the weighted average of these sales.  The prices ranged from $85.52 to $85.78. Price and share details are available upon request."}],"balance_after":99689,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439528,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"sale","acquired":false,"shares":311,"price":84.8921,"value":26401.4431,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This price represents the weighted average of these sales.  The prices ranged from $84.425 to $85.25. Price and share details are available upon request."}],"balance_after":99874,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439527,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"sale","acquired":false,"shares":303,"price":83.3372,"value":25251.1716,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price represents the weighted average of these sales.  The prices ranged from $82.715 to $83.66. Price and share details are available upon request."}],"balance_after":100185,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439526,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"sale","acquired":false,"shares":1151,"price":81.9102,"value":94278.6402,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales.  The prices ranged from $81.54 to $82.4975. Price and share details are available upon request."}],"balance_after":100488,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439525,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"sale","acquired":false,"shares":1800,"price":80.7558,"value":145360.44,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales.  The prices ranged from $80.47 to $80.985. Price and share details are available upon request."}],"balance_after":101639,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2439524,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2022-01-10T22:56:51.000Z","date":"2022-01-07","kind":"exercise","acquired":true,"shares":3750,"price":17.51,"value":65662.5,"ownership":{"direct":true},"balance_after":103439,"source":{"system":"sec-edgar","filing":"0001593968-22-000184","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396822000184/primary_01.xml","form_type":"4"}},{"id":2545149,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-10-12T20:39:52.000Z","date":"2021-10-08","kind":"sale","acquired":false,"shares":890,"price":78.5305,"value":69892.145,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales.  The prices ranged from $78.51 to $78.67.  Price and share details are available upon request."}],"balance_after":99689,"source":{"system":"sec-edgar","filing":"0001593968-21-002261","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821002261/primary_01.xml","form_type":"4"}},{"id":2795913,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Market-based RSU","published_at":"2021-03-11T21:12:27.000Z","date":"2021-03-09","kind":"grant","acquired":true,"shares":7042,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The award vests fully if the 30-trading day average closing price equals or exceeds $95."}],"balance_after":7042,"derivative":{"expiration_date":"2024-03-05","underlying":"SMTC","underlying_shares":7042},"source":{"system":"sec-edgar","filing":"0001593968-21-000890","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000890/primary_01.xml","form_type":"4"}},{"id":2795912,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2021-03-11T21:12:27.000Z","date":"2021-03-09","kind":"grant","acquired":true,"shares":13380,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 9, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 9, 2022."}],"balance_after":13380,"derivative":{"underlying":"SMTC","underlying_shares":13380},"source":{"system":"sec-edgar","filing":"0001593968-21-000890","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000890/primary_01.xml","form_type":"4"}},{"id":2795911,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-11T21:12:27.000Z","date":"2021-03-09","kind":"grant","acquired":true,"shares":1411,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":100579,"source":{"system":"sec-edgar","filing":"0001593968-21-000890","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000890/primary_01.xml","form_type":"4"}},{"id":2804789,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-05","kind":"exercise","acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This grant vests in three annual installments beginning on March 5, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This grant vests in three annual installments beginning on March 5, 2020."}],"balance_after":5000,"derivative":{"underlying":"SMTC","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2804788,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-06","kind":"exercise","acquired":false,"shares":6511,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 6, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 6, 2019."}],"balance_after":0,"derivative":{"underlying":"SMTC","underlying_shares":6511},"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2804787,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-06","kind":"tax_withholding","acquired":false,"shares":3229,"price":68,"value":219572.0,"ownership":{"direct":true},"balance_after":99168,"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2804786,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-06","kind":"exercise","acquired":true,"shares":6511,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":102397,"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2804785,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-05","kind":"tax_withholding","acquired":false,"shares":2479,"price":65.64,"value":162721.56,"ownership":{"direct":true},"balance_after":95886,"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2804784,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-08T21:14:46.000Z","date":"2021-03-05","kind":"exercise","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":98365,"source":{"system":"sec-edgar","filing":"0001593968-21-000847","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000847/primary_01.xml","form_type":"4"}},{"id":2810632,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2021-03-05T01:18:22.000Z","date":"2021-03-03","kind":"exercise","acquired":false,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 3, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 3, 2021."}],"balance_after":13704,"derivative":{"underlying":"SMTC","underlying_shares":6852},"source":{"system":"sec-edgar","filing":"0001593968-21-000816","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000816/primary_01.xml","form_type":"4"}},{"id":2810631,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-05T01:18:22.000Z","date":"2021-03-03","kind":"tax_withholding","acquired":false,"shares":2492,"price":72.05,"value":179548.6,"ownership":{"direct":true},"balance_after":93365,"source":{"system":"sec-edgar","filing":"0001593968-21-000816","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000816/primary_01.xml","form_type":"4"}},{"id":2810630,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-03-05T01:18:22.000Z","date":"2021-03-03","kind":"exercise","acquired":true,"shares":6852,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":95857,"source":{"system":"sec-edgar","filing":"0001593968-21-000816","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000816/primary_01.xml","form_type":"4"}},{"id":2857614,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"exercise","acquired":false,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":28.6,"exercise_date":"2016-02-24","expiration_date":"2021-02-24","underlying":"SMTC","underlying_shares":3000},"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2857613,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":2,"price":78.74,"value":157.48,"ownership":{"direct":true},"balance_after":89005,"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2857612,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":411,"price":78.0404,"value":32074.6044,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price represents the weighted average of these sales. The prices ranged from $77.5500 to $78.2550. Price and share details are available upon request."}],"balance_after":89007,"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2857611,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":1256,"price":77.0832,"value":96816.4992,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $76.4450 to $77.3200. Price and share details are available upon request."}],"balance_after":89418,"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2857610,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":1331,"price":76.0286,"value":101194.0666,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $75.4400 to $76.4400. Price and share details are available upon request."}],"balance_after":90674,"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2857609,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-17T23:22:40.000Z","date":"2021-02-17","kind":"exercise","acquired":true,"shares":3000,"price":28.6,"value":85800.0,"ownership":{"direct":true},"balance_after":92005,"source":{"system":"sec-edgar","filing":"0001593968-21-000528","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000528/primary_01.xml","form_type":"4"}},{"id":2880319,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"exercise","acquired":false,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3000,"derivative":{"exercise_price":28.6,"exercise_date":"2016-02-24","expiration_date":"2021-02-24","underlying":"SMTC","underlying_shares":3000},"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880318,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":1,"price":76.225,"value":76.225,"ownership":{"direct":true},"balance_after":89005,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880317,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":91,"price":74.8305,"value":6809.5755,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This price represents the weighted average of these sales. The prices ranged from $74.6600 to $75.4500. Price and share details are available upon request."}],"balance_after":89006,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880316,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":296,"price":73.7267,"value":21823.1032,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price represents the weighted average of these sales. The prices ranged from $73.4100 to $74.3200. Price and share details are available upon request."}],"balance_after":89097,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880315,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":390,"price":71.8788,"value":28032.732,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $71.5500 to $72.3350. Price and share details are available upon request."}],"balance_after":89393,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880314,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"sale","acquired":false,"shares":2222,"price":70.8939,"value":157526.2458,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $70.5300 to $71.3200. Price and share details are available upon request."}],"balance_after":89783,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2880313,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-02-04T21:07:32.000Z","date":"2021-02-03","kind":"exercise","acquired":true,"shares":3000,"price":28.6,"value":85800.0,"ownership":{"direct":true},"balance_after":92005,"source":{"system":"sec-edgar","filing":"0001593968-21-000347","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000347/primary_01.xml","form_type":"4"}},{"id":2903671,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2021-01-20T22:19:00.000Z","date":"2021-01-20","kind":"exercise","acquired":false,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":6000,"derivative":{"exercise_price":28.6,"exercise_date":"2016-02-24","expiration_date":"2021-02-24","underlying":"SMTC","underlying_shares":3000},"source":{"system":"sec-edgar","filing":"0001593968-21-000154","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000154/primary_01.xml","form_type":"4"}},{"id":2903670,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-20T22:19:00.000Z","date":"2021-01-20","kind":"sale","acquired":false,"shares":3000,"price":81.173,"value":243519.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $80.8700 to $81.5650. Price and share details are available upon request."}],"balance_after":89005,"source":{"system":"sec-edgar","filing":"0001593968-21-000154","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000154/primary_01.xml","form_type":"4"}},{"id":2903669,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-20T22:19:00.000Z","date":"2021-01-20","kind":"exercise","acquired":true,"shares":3000,"price":28.6,"value":85800.0,"ownership":{"direct":true},"balance_after":92005,"source":{"system":"sec-edgar","filing":"0001593968-21-000154","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000154/primary_01.xml","form_type":"4"}},{"id":2918113,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2021-01-07T00:21:29.000Z","date":"2021-01-06","kind":"exercise","acquired":false,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":9000,"derivative":{"exercise_price":28.6,"exercise_date":"2016-02-24","expiration_date":"2021-02-24","underlying":"SMTC","underlying_shares":3000},"source":{"system":"sec-edgar","filing":"0001593968-21-000070","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000070/primary_01.xml","form_type":"4"}},{"id":2918112,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-07T00:21:29.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":91,"price":74.47,"value":6776.77,"ownership":{"direct":true},"balance_after":89005,"source":{"system":"sec-edgar","filing":"0001593968-21-000070","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000070/primary_01.xml","form_type":"4"}},{"id":2918111,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-07T00:21:29.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":1596,"price":73.5788,"value":117431.7648,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $73.4050 to $74.2400. Price and share details are available upon request."}],"balance_after":89096,"source":{"system":"sec-edgar","filing":"0001593968-21-000070","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000070/primary_01.xml","form_type":"4"}},{"id":2918110,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-07T00:21:29.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":1313,"price":73.1461,"value":96040.8293,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $72.3900 to $73.3700. Price and share details are available upon request."}],"balance_after":90692,"source":{"system":"sec-edgar","filing":"0001593968-21-000070","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000070/primary_01.xml","form_type":"4"}},{"id":2918109,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2021-01-07T00:21:29.000Z","date":"2021-01-06","kind":"exercise","acquired":true,"shares":3000,"price":28.6,"value":85800.0,"ownership":{"direct":true},"balance_after":92005,"source":{"system":"sec-edgar","filing":"0001593968-21-000070","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396821000070/primary_01.xml","form_type":"4"}},{"id":2945669,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-12-15T21:33:24.000Z","date":"2020-12-14","kind":"sale","acquired":false,"shares":10000,"price":71.0393,"value":710393.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $71.0000 to $71.1600. Price and share details are available upon request."}],"balance_after":89005,"source":{"system":"sec-edgar","filing":"0001593968-20-002358","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002358/primary_01.xml","form_type":"4"}},{"id":2950993,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2020-12-10T21:19:51.000Z","date":"2020-12-09","kind":"exercise","acquired":false,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":12000,"derivative":{"exercise_price":28.6,"exercise_date":"2016-02-24","expiration_date":"2021-02-24","underlying":"SMTC","underlying_shares":3000},"source":{"system":"sec-edgar","filing":"0001593968-20-002345","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002345/primary_01.xml","form_type":"4"}},{"id":2950992,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-12-10T21:19:51.000Z","date":"2020-12-09","kind":"sale","acquired":false,"shares":805,"price":71.7267,"value":57739.9935,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price represents the weighted average of these sales. The prices ranged from $71.4900 to $72.1250. Price and share details are available upon request."}],"balance_after":99005,"source":{"system":"sec-edgar","filing":"0001593968-20-002345","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002345/primary_01.xml","form_type":"4"}},{"id":2950991,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-12-10T21:19:51.000Z","date":"2020-12-09","kind":"sale","acquired":false,"shares":1157,"price":71.0228,"value":82173.3796,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $70.4850 to $71.4700. Price and share details are available upon request."}],"balance_after":99810,"source":{"system":"sec-edgar","filing":"0001593968-20-002345","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002345/primary_01.xml","form_type":"4"}},{"id":2950990,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-12-10T21:19:51.000Z","date":"2020-12-09","kind":"sale","acquired":false,"shares":1038,"price":70.0087,"value":72669.0306,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $69.4700 to $70.4600. Price and share details are available upon request."}],"balance_after":100967,"source":{"system":"sec-edgar","filing":"0001593968-20-002345","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002345/primary_01.xml","form_type":"4"}},{"id":2950989,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-12-10T21:19:51.000Z","date":"2020-12-09","kind":"exercise","acquired":true,"shares":3000,"price":28.6,"value":85800.0,"ownership":{"direct":true},"balance_after":102005,"source":{"system":"sec-edgar","filing":"0001593968-20-002345","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820002345/primary_01.xml","form_type":"4"}},{"id":3011270,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-10-07T21:15:38.000Z","date":"2020-10-07","kind":"sale","acquired":true,"shares":4000,"price":55.8484,"value":223393.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $55.8400 to $55.8750. Price and share details are available upon request."}],"balance_after":99005,"source":{"system":"sec-edgar","filing":"0001593968-20-001999","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820001999/primary_01.xml","form_type":"4"}},{"id":3085366,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-07-10T22:57:31.000Z","date":"2020-07-10","kind":"sale","acquired":false,"shares":6000,"price":53.4095,"value":320457.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $53.4000 to $53.4900. Price and share details are available upon request."}],"balance_after":103005,"source":{"system":"sec-edgar","filing":"0001593968-20-001608","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820001608/primary_01.xml","form_type":"4"}},{"id":3087138,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-07-08T21:35:14.000Z","date":"2020-07-07","kind":"sale","acquired":false,"shares":6000,"price":54.25,"value":325500.0,"ownership":{"direct":true},"balance_after":109005,"source":{"system":"sec-edgar","filing":"0001593968-20-001599","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820001599/primary_01.xml","form_type":"4"}},{"id":3221836,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-05","kind":"exercise","acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This grant vests in three annual installments beginning on March 5, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This grant vests in three annual installments beginning on March 5, 2020."}],"balance_after":10000,"derivative":{"underlying":"SMTC","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3221835,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-06","kind":"exercise","acquired":false,"shares":6510,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 6, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 6, 2019."}],"balance_after":6511,"derivative":{"underlying":"SMTC","underlying_shares":6510},"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3221834,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-06","kind":"tax_withholding","acquired":false,"shares":3228,"price":39.08,"value":126150.24,"ownership":{"direct":true},"balance_after":115005,"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3221833,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-06","kind":"exercise","acquired":true,"shares":6510,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":118233,"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3221832,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-05","kind":"tax_withholding","acquired":false,"shares":2479,"price":40.52,"value":100449.08,"ownership":{"direct":true},"balance_after":111723,"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3221831,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-03-09T21:00:41.000Z","date":"2020-03-05","kind":"exercise","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":114202,"source":{"system":"sec-edgar","filing":"0001593968-20-000690","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000690/primary_01.xml","form_type":"4"}},{"id":3225910,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2020-03-06T00:03:40.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":20556,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This grant vests in three annual installments beginning on March 3, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This grant vests in three annual installments beginning on March 3, 2021."}],"balance_after":20556,"derivative":{"underlying":"SMTC","underlying_shares":20556},"source":{"system":"sec-edgar","filing":"0001593968-20-000661","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000661/primary_01.xml","form_type":"4"}},{"id":3225909,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-03-06T00:03:40.000Z","date":"2020-03-03","kind":"grant","acquired":true,"shares":4347,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":109202,"source":{"system":"sec-edgar","filing":"0001593968-20-000661","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000661/primary_01.xml","form_type":"4"}},{"id":3251367,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Option (right to buy)","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"exercise","acquired":false,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":24.74,"exercise_date":"2015-02-25","expiration_date":"2020-02-25","underlying":"SMTC","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251366,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Restricted Stock Unit","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"exercise","acquired":false,"shares":5151,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each stock unit is the economic equivalent of one share of Semtech common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This grant vests in three annual installments beginning on February 21, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"This grant vests in three annual installments beginning on February 21, 2018."}],"balance_after":0,"derivative":{"underlying":"SMTC","underlying_shares":5151},"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251365,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"sale","acquired":false,"shares":97,"price":48.4588,"value":4700.5036,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This price represents the weighted average of these sales. The prices ranged from $48.4500 to $48.4600. Price and share details are available upon request."}],"balance_after":104855,"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251364,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"tax_withholding","acquired":false,"shares":1782,"price":48.77,"value":86908.14,"ownership":{"direct":true},"balance_after":104952,"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251363,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"exercise","acquired":true,"shares":5151,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":106734,"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251362,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"sale","acquired":false,"shares":3903,"price":47.6725,"value":186065.7675,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $47.1600 to $48.0650. Price and share details are available upon request."}],"balance_after":101583,"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3251361,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-25T22:18:04.000Z","date":"2020-02-21","kind":"exercise","acquired":true,"shares":4000,"price":24.74,"value":98960.0,"ownership":{"direct":true},"balance_after":105486,"source":{"system":"sec-edgar","filing":"0001593968-20-000507","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000507/primary_01.xml","form_type":"4"}},{"id":3255332,"issuer":{"id":3442,"kind":"organization","name":"SEMTECH CORP","symbol":"SMTC"},"owners":[{"id":115716,"kind":"person","name":"CHUKWU EMEKA","position":1,"cik":"0001381846","reported_name":"CHUKWU EMEKA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and CFO"}}],"security":"Common Stock","published_at":"2020-02-24T21:58:28.000Z","date":"2020-02-07","kind":"sale","acquired":false,"shares":4000,"price":50.7008,"value":202803.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This price represents the weighted average of these sales. The prices ranged from $50.1000 to $51.0400. Price and share details are available upon request."}],"balance_after":101486,"source":{"system":"sec-edgar","filing":"0001593968-20-000493","document":"primary_01.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/88941/000159396820000493/primary_01.xml","form_type":"4/A","original_submission_date":"2020-02-07"}}],"next_cursor":"2020-02-24T21:58:28.000000Z,3255332"}