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The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price"},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 30, 2021."}],"balance_after":226219,"source":{"system":"sec-edgar","filing":"0001828862-21-000020","document":"wf-form4_163598013867166.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000020/wf-form4_163598013867166.xml","form_type":"4"}},{"id":2550352,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-10-05T20:50:19.000Z","date":"2021-10-01","kind":"sale","acquired":false,"shares":16739,"price":31.54,"value":527948.06,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $31.17 to $32.14 per share. The weighted average price per share was $31.54. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price"},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":254263,"source":{"system":"sec-edgar","filing":"0001828862-21-000018","document":"wf-form4_163346699725832.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000018/wf-form4_163346699725832.xml","form_type":"4"}},{"id":2571440,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-09-14T22:17:48.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":16610,"price":33.92,"value":563411.2,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported transaction involves sale transactions ranging from $33.70 to $34.19 per share. The weighted average price per share was $33.92. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":271002,"source":{"system":"sec-edgar","filing":"0001828862-21-000016","document":"wf-form4_163165785494278.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000016/wf-form4_163165785494278.xml","form_type":"4"}},{"id":2571439,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-09-14T22:17:48.000Z","date":"2021-09-13","kind":"sale","acquired":false,"shares":83390,"price":33.59,"value":2801070.1,"ownership":{"direct":false,"nature":"By The Michael C. 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The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":287612,"source":{"system":"sec-edgar","filing":"0001828862-21-000016","document":"wf-form4_163165785494278.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000016/wf-form4_163165785494278.xml","form_type":"4"}},{"id":2577921,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-09-07T22:28:37.000Z","date":"2021-09-03","kind":"sale","acquired":false,"shares":53478,"price":31.23,"value":1670117.94,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $31.10 to $31.44 per share. The weighted average price per share was $31.23. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":371002,"source":{"system":"sec-edgar","filing":"0001828862-21-000014","document":"wf-form4_163105370444211.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000014/wf-form4_163105370444211.xml","form_type":"4"}},{"id":2582659,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-09-02T23:18:27.000Z","date":"2021-09-01","kind":"sale","acquired":false,"shares":16739,"price":30.23,"value":506019.97,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $29.81 to $30.63 per share. The weighted average price per share was $30.23. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":424480,"source":{"system":"sec-edgar","filing":"0001828862-21-000012","document":"wf-form4_163062468320374.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000012/wf-form4_163062468320374.xml","form_type":"4"}},{"id":2610875,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-08-09T21:33:22.000Z","date":"2021-08-06","kind":"sale","acquired":false,"shares":5112,"price":28.97,"value":148094.64,"ownership":{"direct":false,"nature":"By The Michael C. 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The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":441219,"source":{"system":"sec-edgar","filing":"0001828862-21-000010","document":"wf-form4_162854477358501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000010/wf-form4_162854477358501.xml","form_type":"4"}},{"id":2610874,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-08-09T21:33:22.000Z","date":"2021-08-05","kind":"sale","acquired":false,"shares":32714,"price":28.92,"value":946088.88,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $28.90 to $28.96 per share. The weighted average price per share was $28.92. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":446331,"source":{"system":"sec-edgar","filing":"0001828862-21-000010","document":"wf-form4_162854477358501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000010/wf-form4_162854477358501.xml","form_type":"4"}},{"id":2618923,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-08-03T22:13:39.000Z","date":"2021-08-02","kind":"sale","acquired":false,"shares":8913,"price":27.91,"value":248761.83,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $27.50 to $28.17 per share. The weighted average price per share was $27.91. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":479045,"source":{"system":"sec-edgar","filing":"0001828862-21-000008","document":"wf-form4_162802876661617.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000008/wf-form4_162802876661617.xml","form_type":"4"}},{"id":2642551,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-07-06T23:04:21.000Z","date":"2021-07-01","kind":"sale","acquired":false,"shares":8913,"price":27.34,"value":243681.42,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $27.12 to $27.73 per share. The weighted average price per share was $27.34. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":487958,"source":{"system":"sec-edgar","filing":"0001828862-21-000007","document":"wf-form4_162561264478261.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000007/wf-form4_162561264478261.xml","form_type":"4"}},{"id":2684719,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-06-03T20:34:03.000Z","date":"2021-06-01","kind":"sale","acquired":false,"shares":8913,"price":26.1,"value":232629.3,"ownership":{"direct":false,"nature":"By The Michael C. Doogue Revocable Trust of 2015"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $26.00 to $26.31 per share. The weighted average price per share was $26.10. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":496871,"source":{"system":"sec-edgar","filing":"0001828862-21-000005","document":"wf-form4_162275241281699.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000005/wf-form4_162275241281699.xml","form_type":"4"}},{"id":2694251,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-05-27T23:54:43.000Z","date":"2021-05-26","kind":"sale","acquired":false,"shares":8913,"price":26.05,"value":232183.65,"ownership":{"direct":false,"nature":"By The Michael C. 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The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2021."}],"balance_after":505784,"source":{"system":"sec-edgar","filing":"0001828862-21-000003","document":"wf-form4_162215963517297.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000003/wf-form4_162215963517297.xml","form_type":"4"}},{"id":2719511,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-05-11T21:51:29.000Z","date":"2021-05-07","kind":"grant","acquired":true,"shares":33280,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F2","text":"Represents an award of Restricted Stock Units (\"RSUs\"). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest 75% on May 16, 2022 and 25% on May 16, 2023."}],"balance_after":74602,"source":{"system":"sec-edgar","filing":"0001828862-21-000002","document":"wf-form4_162076987625509.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000002/wf-form4_162076987625509.xml","form_type":"4"}},{"id":2719510,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-05-11T21:51:29.000Z","date":"2021-05-07","kind":"grant","acquired":true,"shares":17750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents an award of Restricted Stock Units (\"RSUs\"). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in four equal annual installments beginning on May 16, 2022."}],"balance_after":41322,"source":{"system":"sec-edgar","filing":"0001828862-21-000002","document":"wf-form4_162076987625509.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182886221000002/wf-form4_162076987625509.xml","form_type":"4"}},{"id":2867661,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":46165,"kind":"person","name":"Doogue Michael","position":1,"cik":"0001828862","reported_name":"Doogue Michael","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Technology and Products"}}],"security":"Common Stock","published_at":"2021-02-12T02:09:29.000Z","date":"2021-02-09","kind":"sale","acquired":false,"shares":90829,"price":29.1638,"value":2648918.7902,"ownership":{"direct":false,"nature":"By The Michael C. 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