{"transactions":[{"id":804049,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-03-17","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":4023,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":804048,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-03-16","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":4273,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":804047,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-03-13","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":4523,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":804046,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-02-09","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":4773,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":804045,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-02-06","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":5023,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":804044,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":51865,"kind":"person","name":"Levenstein Cecelia","position":1,"cik":"0001366783","reported_name":"Levenstein Cecelia","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-04-21T22:13:48.000Z","date":"2026-02-06","kind":"gift","planned":false,"acquired":false,"shares":250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight."}],"balance_after":5273,"source":{"system":"sec-edgar","filing":"0001193125-26-167398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526167398/ownership.xml","form_type":"4"}},{"id":899391,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2026-02-18T16:32:00.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":1464,"price":237.54,"value":347758.56,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 14, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 1,866 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 1,230 shares of Common Stock owned by the reporting person."}],"balance_after":6461,"source":{"system":"sec-edgar","filing":"0001193125-26-056419","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526056419/ownership.xml","form_type":"4"}},{"id":913321,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2026-02-10T20:06:47.000Z","date":"2026-02-09","kind":"sale","planned":true,"acquired":false,"shares":1128,"price":201.38,"value":227156.64,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 10, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 1,292 restricted stock units that vest in three remaining equal annual installments on October 31, 2026, October 31, 2027, and October 31, 2028."}],"balance_after":3849,"source":{"system":"sec-edgar","filing":"0001193125-26-044463","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526044463/ownership.xml","form_type":"4"}},{"id":945318,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Retired EVP of Operations"}}],"security":"Common Stock","published_at":"2026-01-07T21:29:43.000Z","date":"2026-01-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":1138,"price":197.92,"value":225232.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":9684,"source":{"system":"sec-edgar","filing":"0001193125-26-006372","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312526006372/ownership.xml","form_type":"4"}},{"id":963856,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71248,"kind":"person","name":"Pupkin Sergio A","position":1,"cik":"0001813056","reported_name":"Pupkin Sergio A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:19:33.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors."}],"balance_after":987,"derivative":{"exercise_price":174.2,"exercise_date":"2025-12-16","expiration_date":"2033-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001193125-25-325400","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325400/ownership.xml","form_type":"4"}},{"id":963855,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71248,"kind":"person","name":"Pupkin Sergio A","position":1,"cik":"0001813056","reported_name":"Pupkin Sergio A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-19T01:19:33.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."}],"balance_after":1777,"source":{"system":"sec-edgar","filing":"0001193125-25-325400","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325400/ownership.xml","form_type":"4"}},{"id":963854,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:18:49.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":4940,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":4940,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":4940},"source":{"system":"sec-edgar","filing":"0001193125-25-325399","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325399/ownership.xml","form_type":"4"}},{"id":963853,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Common Stock","published_at":"2025-12-19T01:18:49.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":3445,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 1,259 restricted stock units that vest on September 30, 2026, 2,075 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 3,445 restricted stock units that vest in three equal installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 4,630 shares of Common Stock owned by the reporting person."}],"balance_after":11409,"source":{"system":"sec-edgar","filing":"0001193125-25-325399","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325399/ownership.xml","form_type":"4"}},{"id":963852,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:18:08.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":7410,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":7410,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":7410},"source":{"system":"sec-edgar","filing":"0001193125-25-325398","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325398/ownership.xml","form_type":"4"}},{"id":963851,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-12-19T01:18:08.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":5167,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of (i) 18,743 shares of Common Stock owned by the reporting person, (ii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iii) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (iv) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (v) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, (vi) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vii) 5,167 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."}],"balance_after":33982,"source":{"system":"sec-edgar","filing":"0001193125-25-325398","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325398/ownership.xml","form_type":"4"}},{"id":963850,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71245,"kind":"person","name":"CROATTI CYNTHIA","position":1,"cik":"0001260756","reported_name":"CROATTI CYNTHIA","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:16:47.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors."},{"field":"security","element":"securityTitle","label":"F2","text":"This is an annual grant for fiscal 2026."}],"balance_after":987,"derivative":{"exercise_price":174.2,"exercise_date":"2025-12-16","expiration_date":"2033-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001193125-25-325396","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325396/ownership.xml","form_type":"4"}},{"id":963849,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71244,"kind":"person","name":"Croatti Matthew","position":1,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:16:06.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":618,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":618,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":618},"source":{"system":"sec-edgar","filing":"0001193125-25-325394","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325394/ownership.xml","form_type":"4"}},{"id":963848,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71244,"kind":"person","name":"Croatti Matthew","position":1,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-12-19T01:16:06.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":646,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 646 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 9,134 shares of Common Stock owned by the reporting person."}],"balance_after":10912,"source":{"system":"sec-edgar","filing":"0001193125-25-325394","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325394/ownership.xml","form_type":"4"}},{"id":963847,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71243,"kind":"person","name":"McKenney Cecilia K","position":1,"cik":"0001352795","reported_name":"McKenney Cecilia K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:15:19.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors."}],"balance_after":987,"derivative":{"exercise_price":174.2,"exercise_date":"2025-12-16","expiration_date":"2025-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001193125-25-325392","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325392/ownership.xml","form_type":"4"}},{"id":963846,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71243,"kind":"person","name":"McKenney Cecilia K","position":1,"cik":"0001352795","reported_name":"McKenney Cecilia K","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-19T01:15:19.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."}],"balance_after":1230,"source":{"system":"sec-edgar","filing":"0001193125-25-325392","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325392/ownership.xml","form_type":"4"}},{"id":963843,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71241,"kind":"person","name":"Iandoli Michael","position":1,"cik":"0001385748","reported_name":"Iandoli Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:14:36.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors."},{"field":"security","element":"securityTitle","label":"F2","text":"This is an annual grant for fiscal 2026."}],"balance_after":987,"derivative":{"exercise_price":174.2,"exercise_date":"2025-12-16","expiration_date":"2033-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001193125-25-325391","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325391/ownership.xml","form_type":"4"}},{"id":963845,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71242,"kind":"person","name":"NOWICKI JOSEPH M","position":1,"cik":"0001238633","reported_name":"NOWICKI JOSEPH M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:14:02.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":987,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors."}],"balance_after":987,"derivative":{"exercise_price":174.2,"exercise_date":"2025-12-16","expiration_date":"2033-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":987},"source":{"system":"sec-edgar","filing":"0001193125-25-325390","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325390/ownership.xml","form_type":"4"}},{"id":963844,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71242,"kind":"person","name":"NOWICKI JOSEPH M","position":1,"cik":"0001238633","reported_name":"NOWICKI JOSEPH M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-12-19T01:14:02.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":575,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."}],"balance_after":2213,"source":{"system":"sec-edgar","filing":"0001193125-25-325390","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325390/ownership.xml","form_type":"4"}},{"id":963842,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:13:18.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":2676,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":2676,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":2676},"source":{"system":"sec-edgar","filing":"0001193125-25-325389","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325389/ownership.xml","form_type":"4"}},{"id":963841,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-12-19T01:13:18.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":1866,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 2,676 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 2,694 shares of Common Stock owned by the reporting person."}],"balance_after":7925,"source":{"system":"sec-edgar","filing":"0001193125-25-325389","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325389/ownership.xml","form_type":"4"}},{"id":963840,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71240,"kind":"person","name":"O'Connor Shane","position":1,"cik":"0001370639","reported_name":"O'Connor Shane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and CFO"}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:10:00.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":3500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":3500,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":3500},"source":{"system":"sec-edgar","filing":"0001193125-25-325387","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325387/ownership.xml","form_type":"4"}},{"id":963839,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71240,"kind":"person","name":"O'Connor Shane","position":1,"cik":"0001370639","reported_name":"O'Connor Shane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and CFO"}}],"security":"Common Stock","published_at":"2025-12-19T01:10:00.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":2440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 336 restricted stock units that vest in one remaining annual installment on October 31, 2026, 788 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,369 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,471 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 2,440 restricted stock units that vest in three equal annual installments on October 3, 2026, October 31, 2027, and October 31, 2028 and 3,863 shares of Common Stock owned by the reporting person."}],"balance_after":10267,"source":{"system":"sec-edgar","filing":"0001193125-25-325387","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325387/ownership.xml","form_type":"4"}},{"id":963838,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Stock Appreciation Right","published_at":"2025-12-19T01:08:51.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":1235,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":1235,"derivative":{"exercise_price":174.2,"expiration_date":"2035-12-16","underlying":"Common Stock ($0.10 par value)","underlying_shares":1235},"source":{"system":"sec-edgar","filing":"0001193125-25-325386","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325386/ownership.xml","form_type":"4"}},{"id":963837,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-12-19T01:08:51.000Z","date":"2025-12-16","kind":"grant","planned":false,"acquired":true,"shares":1292,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028."},{"field":"shares","element":"transactionShares","label":"F2","text":"These are annual grants for fiscal 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,292 restricted stock units that vest in three remaining equal annual installments on October 31, 2026, October 31, 2027, and October 31, 2028 and 1,128 shares of Common Stock owned by the reporting person."}],"balance_after":4977,"source":{"system":"sec-edgar","filing":"0001193125-25-325386","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525325386/ownership.xml","form_type":"4"}},{"id":992012,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-11-21T16:06:08.000Z","date":"2025-11-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":287,"price":159.85,"value":45876.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of (i) 18,743 shares of Common Stock owned by the reporting person, (ii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iii) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (iv) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (v) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vi) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027."}],"balance_after":28815,"source":{"system":"sec-edgar","filing":"0001193125-25-290893","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525290893/ownership.xml","form_type":"4"}},{"id":1007518,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Stock Appreciation Right","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"exercise","planned":true,"acquired":false,"shares":1297,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":152.38,"exercise_date":"2023-10-22","expiration_date":"2028-10-22","underlying":"Common Stock ($0.10 par value)","underlying_shares":1297},"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007517,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Stock Appreciation Right","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"exercise","planned":true,"acquired":false,"shares":1233,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":156.05,"exercise_date":"2022-10-23","expiration_date":"2027-10-23","underlying":"Common Stock ($0.10 par value)","underlying_shares":1233},"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007516,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"sale","planned":true,"acquired":false,"shares":1,"price":156.5,"value":156.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 30, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 2,694 shares of Common Stock owned by the reporting person."}],"balance_after":6059,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007515,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"tax_withholding","planned":true,"acquired":false,"shares":1232,"price":156.5,"value":192808.0,"ownership":{"direct":true},"balance_after":6060,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007514,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"exercise","planned":true,"acquired":true,"shares":1233,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7292,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007513,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"sale","planned":true,"acquired":false,"shares":8,"price":155.11,"value":1240.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 30, 2025."}],"balance_after":6059,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007512,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"tax_withholding","planned":true,"acquired":false,"shares":1289,"price":154.35,"value":198957.15,"ownership":{"direct":true},"balance_after":6067,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1007511,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-05T20:33:42.000Z","date":"2025-11-03","kind":"exercise","planned":true,"acquired":true,"shares":1297,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7356,"source":{"system":"sec-edgar","filing":"0001193125-25-266743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525266743/ownership.xml","form_type":"4"}},{"id":1009027,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-04T23:03:46.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":791,"price":154.35,"value":122090.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 2,694 shares of Common Stock owned by the reporting person."}],"balance_after":6059,"source":{"system":"sec-edgar","filing":"0001193125-25-265119","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525265119/ownership.xml","form_type":"4"}},{"id":1009026,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-04T23:03:46.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":292,"price":154.35,"value":45070.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":6850,"source":{"system":"sec-edgar","filing":"0001193125-25-265119","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525265119/ownership.xml","form_type":"4"}},{"id":1009025,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-11-04T23:03:46.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":687,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":7142,"source":{"system":"sec-edgar","filing":"0001193125-25-265119","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525265119/ownership.xml","form_type":"4"}},{"id":1009024,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-11-04T23:03:03.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":1898,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and that 50% of such restricted stock units remain subject to vesting on October 31, 2026 and 50% of such restricted stock units remain subject to vesting on October 31, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of (i) 18,385 shares of Common Stock owned by the reporting person, (ii) 645 restricted stock units that will vest in one remaining annual installment on November 19, 2025, (iii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iv) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (v) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (vi) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vii) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027."}],"balance_after":29102,"source":{"system":"sec-edgar","filing":"0001193125-25-265118","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525265118/ownership.xml","form_type":"4"}},{"id":1009023,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2025-11-04T23:03:03.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1696,"price":154.35,"value":261777.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":27204,"source":{"system":"sec-edgar","filing":"0001193125-25-265118","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525265118/ownership.xml","form_type":"4"}},{"id":1009019,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71244,"kind":"person","name":"Croatti Matthew","position":1,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-04T21:28:44.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":272,"price":154.35,"value":41983.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 9,134 shares of Common Stock owned by the reporting person."}],"balance_after":10266,"source":{"system":"sec-edgar","filing":"0001193125-25-264800","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264800/ownership.xml","form_type":"4"}},{"id":1009018,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-11-04T21:26:41.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":622,"price":154.35,"value":96005.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027 owned by the reporting person and 1,128 shares of Common Stock owned by the reporting person."}],"balance_after":3685,"source":{"system":"sec-edgar","filing":"0001193125-25-264793","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264793/ownership.xml","form_type":"4"}},{"id":1009017,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-11-04T21:26:41.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":213,"price":154.35,"value":32876.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":4307,"source":{"system":"sec-edgar","filing":"0001193125-25-264793","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264793/ownership.xml","form_type":"4"}},{"id":1009016,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-11-04T21:26:41.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":501,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":4520,"source":{"system":"sec-edgar","filing":"0001193125-25-264793","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264793/ownership.xml","form_type":"4"}},{"id":1009022,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-11-04T21:23:28.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":622,"price":154.35,"value":96005.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 8,265 shares of Common Stock owned by the reporting person."}],"balance_after":10822,"source":{"system":"sec-edgar","filing":"0001193125-25-264773","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264773/ownership.xml","form_type":"4"}},{"id":1009021,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-11-04T21:23:28.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":213,"price":154.35,"value":32876.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":11444,"source":{"system":"sec-edgar","filing":"0001193125-25-264773","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264773/ownership.xml","form_type":"4"}},{"id":1009020,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-11-04T21:23:28.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":501,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":11657,"source":{"system":"sec-edgar","filing":"0001193125-25-264773","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264773/ownership.xml","form_type":"4"}},{"id":1009015,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71240,"kind":"person","name":"O'Connor Shane","position":1,"cik":"0001370639","reported_name":"O'Connor Shane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and CFO"}}],"security":"Common Stock","published_at":"2025-11-04T21:21:27.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":915,"price":154.35,"value":141230.25,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Consists of 336 restricted stock units that vest in one remaining annual installment on October 31, 2026, 788 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,369 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,471 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 3,863 shares of Common Stock owned by the reporting person."}],"balance_after":7827,"source":{"system":"sec-edgar","filing":"0001193125-25-264754","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264754/ownership.xml","form_type":"4"}},{"id":1009014,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71240,"kind":"person","name":"O'Connor Shane","position":1,"cik":"0001370639","reported_name":"O'Connor Shane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and CFO"}}],"security":"Common Stock","published_at":"2025-11-04T21:21:27.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":381,"price":154.35,"value":58807.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":8742,"source":{"system":"sec-edgar","filing":"0001193125-25-264754","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264754/ownership.xml","form_type":"4"}},{"id":1009013,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71240,"kind":"person","name":"O'Connor Shane","position":1,"cik":"0001370639","reported_name":"O'Connor Shane","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and CFO"}}],"security":"Common Stock","published_at":"2025-11-04T21:21:27.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":897,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":9123,"source":{"system":"sec-edgar","filing":"0001193125-25-264754","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264754/ownership.xml","form_type":"4"}},{"id":1009012,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Common Stock","published_at":"2025-11-04T21:18:10.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":443,"price":154.35,"value":68377.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 1,259 restricted stock units that vest on September 30, 2026 owned by the reporting person, 2,075 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 4,630 shares of Common Stock owned by the reporting person."}],"balance_after":7964,"source":{"system":"sec-edgar","filing":"0001193125-25-264743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264743/ownership.xml","form_type":"4"}},{"id":1009011,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Common Stock","published_at":"2025-11-04T21:18:10.000Z","date":"2025-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1105,"price":154.35,"value":170556.75,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":8407,"source":{"system":"sec-edgar","filing":"0001193125-25-264743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264743/ownership.xml","form_type":"4"}},{"id":1009010,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Common Stock","published_at":"2025-11-04T21:18:10.000Z","date":"2025-10-31","kind":"grant","planned":false,"acquired":true,"shares":2529,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":9512,"source":{"system":"sec-edgar","filing":"0001193125-25-264743","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525264743/ownership.xml","form_type":"4"}},{"id":1028640,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71247,"kind":"person","name":"Rooney Kelly C.","position":1,"cik":"0001943720","reported_name":"Rooney Kelly C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP and COO"}}],"security":"Common Stock","published_at":"2025-10-02T17:25:46.000Z","date":"2025-09-30","kind":"tax_withholding","planned":false,"acquired":false,"shares":1919,"price":167.19,"value":320837.61,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,259 restricted stock units that vest on September 30, 2026 owned by the reporting person, 3,112 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 2,612 shares of Common Stock owned by the reporting person."}],"balance_after":6983,"source":{"system":"sec-edgar","filing":"0001193125-25-227885","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000119312525227885/ownership.xml","form_type":"4"}},{"id":1262491,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2025-02-19T17:39:54.000Z","date":"2025-02-18","kind":"sale","planned":true,"acquired":false,"shares":1299,"price":210.95,"value":274024.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 598 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 1,064 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,643 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,686 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 1,230 shares of Common Stock owned by the reporting person."}],"balance_after":6455,"source":{"system":"sec-edgar","filing":"0000950170-25-022882","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022882/ownership.xml","form_type":"4"}},{"id":1265625,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2025-02-18T20:55:49.000Z","date":"2025-02-14","kind":"exercise","planned":true,"acquired":false,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":104.67,"exercise_date":"2020-10-26","expiration_date":"2025-10-26","underlying":"Common Stock ($0.10 par value)","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0000950170-25-022162","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022162/ownership.xml","form_type":"4"}},{"id":1265624,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-02-18T20:55:49.000Z","date":"2025-02-14","kind":"sale","planned":true,"acquired":false,"shares":1157,"price":213.1,"value":246556.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 234 restricted stock units that vest in one remaining annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 7,137 shares of Common Stock owned by the reporting person."}],"balance_after":11156,"source":{"system":"sec-edgar","filing":"0000950170-25-022162","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022162/ownership.xml","form_type":"4"}},{"id":1265623,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-02-18T20:55:49.000Z","date":"2025-02-14","kind":"tax_withholding","planned":true,"acquired":false,"shares":2843,"price":216.21,"value":614685.03,"ownership":{"direct":true},"balance_after":12313,"source":{"system":"sec-edgar","filing":"0000950170-25-022162","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022162/ownership.xml","form_type":"4"}},{"id":1265622,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2025-02-18T20:55:49.000Z","date":"2025-02-14","kind":"exercise","planned":true,"acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15156,"source":{"system":"sec-edgar","filing":"0000950170-25-022162","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022162/ownership.xml","form_type":"4"}},{"id":1265618,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-02-18T20:52:37.000Z","date":"2025-02-14","kind":"sale","planned":true,"acquired":false,"shares":344,"price":213.1,"value":73306.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, and 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 owned by the reporting person."}],"balance_after":4019,"source":{"system":"sec-edgar","filing":"0000950170-25-022157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022157/ownership.xml","form_type":"4"}},{"id":1265617,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2025-02-18T20:52:37.000Z","date":"2025-02-14","kind":"sale","planned":true,"acquired":false,"shares":716,"price":213.1,"value":152579.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024."}],"balance_after":4363,"source":{"system":"sec-edgar","filing":"0000950170-25-022157","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025022157/ownership.xml","form_type":"4"}},{"id":1302955,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":84131,"kind":"person","name":"Zemlin Raymond C.","position":1,"cik":"0001691916","reported_name":"Zemlin Raymond C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2025-01-15T20:56:14.000Z","date":"2025-01-13","kind":"exercise","planned":false,"acquired":false,"shares":988,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported transaction represents the automatic exercise of stock appreciation rights ('SARs') immediately prior to their expiration on January 13, 2025. The SARs were exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise."}],"balance_after":0,"derivative":{"exercise_price":132.85,"exercise_date":"2017-01-13","expiration_date":"2025-01-13","underlying":"Common Stock ($0.10 par value)","underlying_shares":988},"source":{"system":"sec-edgar","filing":"0000950170-25-005819","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025005819/ownership.xml","form_type":"4"}},{"id":1302954,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":84131,"kind":"person","name":"Zemlin Raymond C.","position":1,"cik":"0001691916","reported_name":"Zemlin Raymond C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-01-15T20:56:14.000Z","date":"2025-01-13","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":595,"price":220.7,"value":131316.5,"ownership":{"direct":true},"balance_after":3468,"source":{"system":"sec-edgar","filing":"0000950170-25-005819","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025005819/ownership.xml","form_type":"4"}},{"id":1302953,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":84131,"kind":"person","name":"Zemlin Raymond C.","position":1,"cik":"0001691916","reported_name":"Zemlin Raymond C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-01-15T20:56:14.000Z","date":"2025-01-13","kind":"exercise","planned":false,"acquired":true,"shares":988,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported transaction represents the automatic exercise of stock appreciation rights ('SARs') immediately prior to their expiration on January 13, 2025. The SARs were exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise."}],"balance_after":4063,"source":{"system":"sec-edgar","filing":"0000950170-25-005819","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017025005819/ownership.xml","form_type":"4"}},{"id":1355303,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Appreciation Right","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":6807,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F9","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":6807,"derivative":{"exercise_price":192.83,"expiration_date":"2034-11-19","underlying":"Common Stock ($0.10 par value)","underlying_shares":6807},"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355302,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":4668,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"Consists of (i) 16,081 shares of Common Stock owned by the reporting person, (iii) 645 restricted stock units that will vest in one remaining annual installment on November 19, 2025, (iv) 1,493 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, (v) 2,363 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, (vi) 3,650 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028 and (vii) 4,668 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027"}],"balance_after":28900,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355301,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"tax_withholding","planned":true,"acquired":false,"shares":1487,"price":192.83,"value":286738.21,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":24232,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355300,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":3421,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":25719,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355299,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"tax_withholding","planned":true,"acquired":false,"shares":273,"price":192.83,"value":52642.59,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."}],"balance_after":22298,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355298,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"sale","planned":true,"acquired":false,"shares":114,"price":194.39,"value":22160.46,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $194.31 to $194.50, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of\nUniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":22571,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355297,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"sale","planned":true,"acquired":false,"shares":1322,"price":193.52,"value":255833.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.10 to $194.00, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of\nUniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":22685,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355296,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":71246,"kind":"person","name":"Sintros Steven S","position":1,"cik":"0001453910","reported_name":"Sintros Steven S","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2024-11-22T20:05:55.000Z","date":"2024-11-19","kind":"sale","planned":true,"acquired":false,"shares":1771,"price":192.6,"value":341094.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.06 to $192.95, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of\nUniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":24007,"source":{"system":"sec-edgar","filing":"0000950170-24-130129","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024130129/ownership.xml","form_type":"4"}},{"id":1355295,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Stock Appreciation Right","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":2459,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":2459,"derivative":{"exercise_price":192.83,"expiration_date":"2034-11-19","underlying":"Common Stock ($0.10 par value)","underlying_shares":2459},"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355294,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Stock Appreciation Right","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"exercise","planned":true,"acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":119,"exercise_date":"2021-10-24","expiration_date":"2026-10-24","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355293,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"tax_withholding","planned":true,"acquired":false,"shares":328,"price":192.83,"value":63248.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 598 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 1,064 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,643 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,686 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 2,529 shares of Common Stock owned by the reporting person."}],"balance_after":7754,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355292,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":771,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":8082,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355291,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"grant","planned":true,"acquired":true,"shares":1686,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7311,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355290,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"sale","planned":true,"acquired":false,"shares":587,"price":193.08,"value":113337.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 15, 2024."}],"balance_after":5625,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355289,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"tax_withholding","planned":true,"acquired":false,"shares":2080,"price":192.67,"value":400753.6,"ownership":{"direct":true},"balance_after":6212,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355288,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":66082,"kind":"person","name":"Katz David Martin","position":1,"cik":"0001459610","reported_name":"Katz David Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales/Marketing"}}],"security":"Common Stock","published_at":"2024-11-22T11:27:08.000Z","date":"2024-11-19","kind":"exercise","planned":true,"acquired":true,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8292,"source":{"system":"sec-edgar","filing":"0000950170-24-129939","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129939/ownership.xml","form_type":"4"}},{"id":1355285,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Stock Appreciation Right","published_at":"2024-11-22T11:25:00.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":1797,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":1797,"derivative":{"exercise_price":192.83,"expiration_date":"2034-11-19","underlying":"Common Stock ($0.10 par value)","underlying_shares":1797},"source":{"system":"sec-edgar","filing":"0000950170-24-129937","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129937/ownership.xml","form_type":"4"}},{"id":1355284,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2024-11-22T11:25:00.000Z","date":"2024-11-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":256,"price":192.83,"value":49364.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 1,060 shares of Common Stock owned by the reporting person."}],"balance_after":5079,"source":{"system":"sec-edgar","filing":"0000950170-24-129937","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129937/ownership.xml","form_type":"4"}},{"id":1355283,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2024-11-22T11:25:00.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":5335,"source":{"system":"sec-edgar","filing":"0000950170-24-129937","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129937/ownership.xml","form_type":"4"}},{"id":1355282,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":67122,"kind":"person","name":"Ross William Masters","position":1,"cik":"0001688445","reported_name":"Ross William Masters","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President"}}],"security":"Common Stock","published_at":"2024-11-22T11:25:00.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":1232,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027."}],"balance_after":4735,"source":{"system":"sec-edgar","filing":"0000950170-24-129937","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129937/ownership.xml","form_type":"4"}},{"id":1355280,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2024-11-22T11:21:15.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":1797,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":1797,"derivative":{"exercise_price":192.83,"expiration_date":"2034-11-19","underlying":"Common Stock ($0.10 par value)","underlying_shares":1797},"source":{"system":"sec-edgar","filing":"0000950170-24-129936","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129936/ownership.xml","form_type":"4"}},{"id":1355279,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2024-11-22T11:21:15.000Z","date":"2024-11-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":256,"price":192.83,"value":49364.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Consists of 234 restricted stock units that vest in one remaining annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 7,137 shares of Common Stock owned by the reporting person."}],"balance_after":11156,"source":{"system":"sec-edgar","filing":"0000950170-24-129936","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129936/ownership.xml","form_type":"4"}},{"id":1355278,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2024-11-22T11:21:15.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":11412,"source":{"system":"sec-edgar","filing":"0000950170-24-129936","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129936/ownership.xml","form_type":"4"}},{"id":1355277,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":69907,"kind":"person","name":"DIFILLIPPO DAVID A","position":1,"cik":"0001261137","reported_name":"DIFILLIPPO DAVID A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2024-11-22T11:21:15.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":1232,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the \"2023 Plan\"). Such restricted stock units vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027."}],"balance_after":10812,"source":{"system":"sec-edgar","filing":"0000950170-24-129936","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129936/ownership.xml","form_type":"4"}},{"id":1355287,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85773,"kind":"person","name":"Croatti Michael A","position":1,"cik":"0001656304","reported_name":"Croatti Michael A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2024-11-22T11:20:43.000Z","date":"2024-11-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":256,"price":192.83,"value":49364.48,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Consists of 234 restricted stock units that vest in one remaining annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028 and 2,773 shares of Common Stock owned by the reporting person."}],"balance_after":5560,"source":{"system":"sec-edgar","filing":"0000950170-24-129935","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129935/ownership.xml","form_type":"4"}},{"id":1355286,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85773,"kind":"person","name":"Croatti Michael A","position":1,"cik":"0001656304","reported_name":"Croatti Michael A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP of Operations"}}],"security":"Common Stock","published_at":"2024-11-22T11:20:43.000Z","date":"2024-11-19","kind":"grant","planned":false,"acquired":true,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested."}],"balance_after":5816,"source":{"system":"sec-edgar","filing":"0000950170-24-129935","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129935/ownership.xml","form_type":"4"}},{"id":1356557,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-10-14","kind":"exercise","planned":true,"acquired":false,"shares":31860,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time by the holder into one share of Common Stock. Each share of Class B Common Stock automatically converts into one share of Common Stock upon transfer to a recipient that is not a permitted transferee or upon termination of the Class B Common Stock, in each case in accordance with the terms of the charter of UniFirst Corporation."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time by the holder into one share of Common Stock. Each share of Class B Common Stock automatically converts into one share of Common Stock upon transfer to a recipient that is not a permitted transferee or upon termination of the Class B Common Stock, in each case in accordance with the terms of the charter of UniFirst Corporation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time by the holder into one share of Common Stock. Each share of Class B Common Stock automatically converts into one share of Common Stock upon transfer to a recipient that is not a permitted transferee or upon termination of the Class B Common Stock, in each case in accordance with the terms of the charter of UniFirst Corporation."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F15","text":"Represents shares owned directly by The Ronald D. Croatti Trust - 1993, of which Carol Croatti and Matthew Croatti are the trustees and Carol Croatti is the beneficiary."}],"balance_after":1003874,"derivative":{"underlying":"Common Stock ($0.10 par value)","underlying_shares":31860},"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356556,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":3899,"price":196.65,"value":766738.35,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $196.24 to $197.01, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356555,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":5190,"price":195.85,"value":1016461.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $195.23 to $196.22, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":3899,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356554,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":3497,"price":194.71,"value":680900.87,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $194.21 to $195.18, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":9089,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356553,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":3015,"price":193.72,"value":584065.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.18 to $194.13, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":12586,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356552,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":329,"price":192.67,"value":63388.43,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.17 to $193.16, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range."}],"balance_after":15601,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}},{"id":1356551,"issuer":{"id":3907,"kind":"organization","name":"UNIFIRST CORP"},"owners":[{"id":85848,"kind":"organization","name":"The Ronald D Croatti Trust - 1993","position":1,"cik":"0001724901","reported_name":"The Ronald D Croatti Trust - 1993","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":71244,"kind":"person","name":"Croatti Matthew","position":2,"cik":"0001724534","reported_name":"Croatti Matthew","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85849,"kind":"person","name":"Croatti Carol","position":3,"cik":"0001724908","reported_name":"Croatti Carol","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T02:55:46.000Z","date":"2024-11-21","kind":"sale","planned":true,"acquired":false,"shares":50,"price":193.5,"value":9675.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024."}],"balance_after":15930,"source":{"system":"sec-edgar","filing":"0000950170-24-129902","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024129902/ownership.xml","form_type":"4"}}],"next_cursor":"2024-11-22T02:55:46.000000Z,1356551"}