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On May 13, 2022, the Compensation Committee of the Issuer's Board of Directors determined that the one-year performance objective goals had been met, resulting in the vesting of a portion of the total PSU on May 16, 2022."}],"balance_after":248572,"source":{"system":"sec-edgar","filing":"0001828856-22-000002","document":"wf-form4_165292039647450.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182885622000002/wf-form4_165292039647450.xml","form_type":"4"}},{"id":2499508,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":85956,"kind":"person","name":"Glover Max R.","position":1,"cik":"0001828856","reported_name":"Glover Max R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Worldwide Sales"}}],"security":"Common Stock","published_at":"2021-11-23T21:36:51.000Z","date":"2021-11-19","kind":"sale","acquired":false,"shares":1753,"price":32.59,"value":57130.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The sales reported in this Form 4 were effected to cover applicable withholding taxes related to the vesting of RSUs pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 2, 2020."}],"balance_after":239985,"source":{"system":"sec-edgar","filing":"0001828856-21-000007","document":"wf-form4_163770339504154.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182885621000007/wf-form4_163770339504154.xml","form_type":"4"}},{"id":2571438,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":85956,"kind":"person","name":"Glover Max R.","position":1,"cik":"0001828856","reported_name":"Glover Max R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Worldwide Sales"}}],"security":"Common Stock","published_at":"2021-09-14T22:15:34.000Z","date":"2021-09-13","kind":"sale","acquired":false,"shares":14000,"price":33.06,"value":462840.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $33.00 to $33.24 per share. 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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":255738,"source":{"system":"sec-edgar","filing":"0001828856-21-000003","document":"wf-form4_162215953957003.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000182885621000003/wf-form4_162215953957003.xml","form_type":"4"}},{"id":2719512,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":85956,"kind":"person","name":"Glover Max R.","position":1,"cik":"0001828856","reported_name":"Glover Max R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Worldwide Sales"}}],"security":"Common Stock","published_at":"2021-05-11T21:53:23.000Z","date":"2021-05-07","kind":"grant","acquired":true,"shares":19363,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents an award of Restricted Stock Units (\"RSUs\"). 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Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest in four equal annual installments beginning on November 18, 2021."}],"balance_after":218718,"source":{"system":"sec-edgar","filing":"0000899243-20-030423","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/866291/000089924320030423/doc4.xml","form_type":"4"}},{"id":2993513,"issuer":{"id":3746,"kind":"organization","name":"ALLEGRO MICROSYSTEMS, INC."},"owners":[{"id":85956,"kind":"person","name":"Glover Max R.","position":1,"cik":"0001828856","reported_name":"Glover Max R.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Worldwide Sales"}}],"security":"Common Stock","published_at":"2020-11-05T01:48:44.000Z","date":"2020-10-28","kind":"exercise","acquired":true,"shares":195146,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"As of the pricing of the Issuer's initial public offering on October 28, 2020, the Class L common stock held by the reporting person was automatically converted into and reclassified as an aggregate of 195,146 shares of common stock of the Issuer."}],"balance_after":195146,"source":{"system":"sec-edgar","filing":"0000899243-20-030423","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/866291/000089924320030423/doc4.xml","form_type":"4"}}]}