{"transactions":[{"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":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":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":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":1377789,"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":"2024-11-04T21:40:44.000Z","date":"2024-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":531,"price":179.81,"value":95479.11,"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 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 6,793 shares of Common Stock owned by the reporting person."}],"balance_after":9580,"source":{"system":"sec-edgar","filing":"0000950170-24-120782","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000095017024120782/ownership.xml","form_type":"4"}},{"id":1745183,"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":"2023-11-13T19:48:40.000Z","date":"2023-11-09","kind":"sale","planned":true,"acquired":false,"shares":1835,"price":165.44,"value":303582.4,"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 August 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $165.16 to $165.83, inclusive. The\nreporting 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"Consists of 194 restricted stock units that vest in one remaining annual installment on October 31, 2024, 468 restricted stock units that vest in two remaining annual equal installment on October 31, 2024 and October 31, 2025, 672 restricted stock units that vest in three remaining equal annual installments on October 31, 2024, October 31, 2025 and October 31, 2026, 1,103 restricted stock units that vest in four remaining equal annual installments on October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027, 1,597 restricted stock units that vest in five equal annual installments on October 31, 2024, October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028 and 6,077 shares of Common Stock owned by the reporting person."}],"balance_after":10111,"source":{"system":"sec-edgar","filing":"0001209191-23-054958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054958/doc4.xml","form_type":"4"}},{"id":1745182,"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":"2023-11-13T19:48:40.000Z","date":"2023-11-09","kind":"sale","planned":true,"acquired":false,"shares":1600,"price":166.17,"value":265872.0,"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 8, 2023."},{"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 $165.89 to $166.62, inclusive. The\nreporting 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":11946,"source":{"system":"sec-edgar","filing":"0001209191-23-054958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054958/doc4.xml","form_type":"4"}},{"id":1745181,"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":"2023-11-13T19:48:40.000Z","date":"2023-11-09","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":167.24,"value":167240.0,"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 8, 2023."},{"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 $167.05 to $167.31, inclusive. The\nreporting 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":13546,"source":{"system":"sec-edgar","filing":"0001209191-23-054958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054958/doc4.xml","form_type":"4"}},{"id":1745180,"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":"2023-11-13T19:48:40.000Z","date":"2023-11-09","kind":"sale","planned":true,"acquired":false,"shares":1800,"price":166.56,"value":299808.0,"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 8, 2023."},{"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 $166.07 to $166.98, inclusive. The\nreporting 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":14546,"source":{"system":"sec-edgar","filing":"0001209191-23-054958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054958/doc4.xml","form_type":"4"}},{"id":1745179,"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":"2023-11-13T19:48:40.000Z","date":"2023-11-09","kind":"sale","planned":true,"acquired":false,"shares":45,"price":169.43,"value":7624.35,"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 8, 2023."}],"balance_after":16346,"source":{"system":"sec-edgar","filing":"0001209191-23-054958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054958/doc4.xml","form_type":"4"}},{"id":1752017,"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":"2023-11-02T21:18:39.000Z","date":"2023-10-31","kind":"grant","planned":false,"acquired":true,"shares":1545,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2024, October 31, 2025, 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 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2024, October 31, 2025, 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":1545,"derivative":{"exercise_price":164.43,"expiration_date":"2033-10-31","underlying":"Common Stock ($0.10 par value)","underlying_shares":1545},"source":{"system":"sec-edgar","filing":"0001209191-23-054195","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054195/doc4.xml","form_type":"4"}},{"id":1752016,"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":"2023-11-02T21:18:39.000Z","date":"2023-10-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":500,"price":164.43,"value":82215.0,"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 194 restricted stock units that vest in one remaining annual installment on October 31, 2024, 468 restricted stock units that vest in two remaining annual equal installment on October 31, 2024 and October 31, 2025, 672 restricted stock units that vest in three remaining equal annual installments on October 31, 2024, October 31, 2025 and October 31, 2026, 1,103 restricted stock units that vest in four remaining equal annual installments on October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027, 1,597 restricted stock units that vest in five equal annual installments on October 31, 2024, October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028 and 12,357 shares of Common Stock owned by the reporting person."}],"balance_after":16391,"source":{"system":"sec-edgar","filing":"0001209191-23-054195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054195/doc4.xml","form_type":"4"}},{"id":1752015,"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":"2023-11-02T21:18:39.000Z","date":"2023-10-31","kind":"grant","planned":false,"acquired":true,"shares":1597,"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 Amended and Restated 2010 Stock Option and Incentive Plan (the \"2010 Plan\"). Such restricted stock units vest in five equal annual installments on October 31, 2024, October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028."}],"balance_after":16891,"source":{"system":"sec-edgar","filing":"0001209191-23-054195","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123054195/doc4.xml","form_type":"4"}},{"id":1755018,"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":"2023-10-26T22:24:54.000Z","date":"2023-10-24","kind":"tax_withholding","planned":false,"acquired":false,"shares":196,"price":163.99,"value":32142.04,"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 247 restricted stock units that vest in one remaining annual installments on October 31, 2023, 388 restricted stock units that vest in two remaining equal annual installments on October 31, 2023 and October 31, 2024, 702 restricted stock units that vest in three remaining annual equal installments on October 31, 2023, October 31, 2024 and October 31, 2025, 896 restricted stock units that vest in four remaining equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026, 1,378 restricted stock units that vest in five equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027 and 11,683 shares of Common Stock owned by the reporting person."}],"balance_after":15294,"source":{"system":"sec-edgar","filing":"0001209191-23-053708","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123053708/doc4.xml","form_type":"4"}},{"id":1755017,"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":"2023-10-26T22:24:54.000Z","date":"2023-10-24","kind":"grant","planned":false,"acquired":true,"shares":460,"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":15490,"source":{"system":"sec-edgar","filing":"0001209191-23-053708","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919123053708/doc4.xml","form_type":"4"}},{"id":2078212,"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":"2022-12-22T19:44:52.000Z","date":"2022-12-20","kind":"tax_withholding","acquired":false,"shares":89,"price":187.84,"value":16717.76,"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 247 restricted stock units that vest in one remaining annual installments on October 31, 2023, 388 restricted stock units that vest in two remaining equal annual installments on October 31, 2023 and October 31, 2024, 702 restricted stock units that vest in three remaining annual equal installments on October 31, 2023, October 31, 2024 and October 31, 2025, 896 restricted stock units that vest in four remaining equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026, 1,378 restricted stock units that vest in five equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027 and 11,419 shares of Common Stock owned by the reporting person."}],"balance_after":15030,"source":{"system":"sec-edgar","filing":"0001209191-22-062415","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919122062415/doc4.xml","form_type":"4"}},{"id":2101936,"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":"2022-11-30T23:38:44.000Z","date":"2022-11-28","kind":"grant","acquired":true,"shares":1397,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2023, October 31, 2024, 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":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2023, October 31, 2024, 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":1397,"derivative":{"exercise_price":190.53,"expiration_date":"2032-11-28","underlying":"Common Stock ($0.10 par value)","underlying_shares":1397},"source":{"system":"sec-edgar","filing":"0001209191-22-059091","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919122059091/doc4.xml","form_type":"4"}},{"id":2101935,"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":"2022-11-30T23:38:44.000Z","date":"2022-11-28","kind":"grant","acquired":true,"shares":1378,"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 Amended and Restated 2010 Stock Option and Incentive Plan (the \"2010 Plan\"). Such restricted stock units vest in five equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 209 restricted stock units that vest in one remaining annual installment on December 20, 2022, 247 restricted stock units that vest in one remaining annual installments on October 31, 2023, 388 restricted stock units that vest in two remaining equal annual installments on October 31, 2023 and October 31, 2024, 702 restricted stock units that vest in three remaining annual equal installments on October 31, 2023, October 31, 2024 and October 31, 2025, 896 restricted stock units that vest in four remaining equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026, 1,378 restricted stock units that vest in five equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025, October 31, 2026 and October 31, 2027 and 11,299 shares of Common Stock owned by the reporting person."}],"balance_after":15119,"source":{"system":"sec-edgar","filing":"0001209191-22-059091","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919122059091/doc4.xml","form_type":"4"}},{"id":2127828,"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":"2022-11-02T20:35:50.000Z","date":"2022-10-31","kind":"tax_withholding","acquired":false,"shares":383,"price":184.01,"value":70475.83,"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 209 restricted stock units that vest in one remaining annual installment on December 20, 2022, 247 restricted stock units that vest in one remaining annual installments on October 31, 2023, 388 restricted stock units that vest in two remaining equal annual installments on October 31, 2023 and October 31, 2024, 702 restricted stock units that vest in three remaining annual equal installments on October 31, 2023, October 31, 2024 and October 31, 2025, 896 restricted stock units that vest in four remaining equal annual installments on October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026 and 11,299 shares of Common Stock owned by the reporting person."}],"balance_after":13741,"source":{"system":"sec-edgar","filing":"0001209191-22-055308","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919122055308/doc4.xml","form_type":"4"}},{"id":2418006,"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":"2022-02-02T20:25:53.000Z","date":"2022-01-31","kind":"tax_withholding","acquired":false,"shares":962,"price":190.09,"value":182866.58,"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 209 restricted stock units that vest in one remaining annual installment on December 20, 2022, 493 restricted stock units that vest in two remaining equal annual installments on October 31, 2022 and October 31, 2023, 582 restricted stock units that vest in three remaining equal annual installments on October 31, 2022, October 31, 2023 and October 31, 2024, 936 restricted stock units that vest in four remaining annual equal installments on October 31, 2022, October 31, 2023, October 31, 2024 and October 31, 2025, 1,120 restricted stock units that vest in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026 and 10,784 shares of Common Stock owned by the reporting person."}],"balance_after":14124,"source":{"system":"sec-edgar","filing":"0001209191-22-006309","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919122006309/doc4.xml","form_type":"4"}},{"id":2457540,"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":"2021-12-29T21:02:50.000Z","date":"2021-12-24","kind":"other","acquired":true,"shares":2417,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025, 1,120 restricted stock units that vest in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026 and 9,553 shares of Common Stock owned by the reporting person."}],"balance_after":15086,"source":{"system":"sec-edgar","filing":"0001209191-21-071477","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121071477/doc4.xml","form_type":"4"}},{"id":2504005,"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":"2021-11-19T21:23:40.000Z","date":"2021-11-17","kind":"grant","acquired":true,"shares":1373,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes vested and exercisable in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":1373,"derivative":{"exercise_price":201.07,"expiration_date":"2031-11-17","underlying":"Common Stock ($0.10 par value)","underlying_shares":1373},"source":{"system":"sec-edgar","filing":"0001209191-21-065813","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121065813/doc4.xml","form_type":"4"}},{"id":2504004,"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":"2021-11-19T21:23:40.000Z","date":"2021-11-17","kind":"grant","acquired":true,"shares":1120,"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 Amended and Restated 2010 Stock Option and Incentive Plan (the \"2010 Plan\"). Such restricted stock units vest in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025, 1,120 restricted stock units that vest in five equal annual installments on October 31, 2022, October 31, 2023, October 31, 2024, October 31, 2025 and October 31, 2026 and 7,136 shares of Common Stock owned by the reporting person."}],"balance_after":12669,"source":{"system":"sec-edgar","filing":"0001209191-21-065813","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121065813/doc4.xml","form_type":"4"}},{"id":2728653,"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 Rights","published_at":"2021-05-05T20:08:38.000Z","date":"2021-05-03","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":106.99,"exercise_date":"2019-10-27","expiration_date":"2024-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001209191-21-030290","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121030290/doc4.xml","form_type":"4"}},{"id":2728652,"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":"2021-05-05T20:08:38.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":984,"price":220.48,"value":216952.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025 and 7,136 shares of Common Stock owned by the reporting person."}],"balance_after":11549,"source":{"system":"sec-edgar","filing":"0001209191-21-030290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121030290/doc4.xml","form_type":"4"}},{"id":2728651,"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":"2021-05-05T20:08:38.000Z","date":"2021-05-03","kind":"disposition_to_issuer","acquired":false,"shares":1683,"price":224.19,"value":377311.77,"ownership":{"direct":true},"balance_after":12533,"source":{"system":"sec-edgar","filing":"0001209191-21-030290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121030290/doc4.xml","form_type":"4"}},{"id":2728650,"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":"2021-05-05T20:08:38.000Z","date":"2021-05-03","kind":"exercise","acquired":true,"shares":2667,"price":106.99,"value":285342.33,"ownership":{"direct":true},"balance_after":14216,"source":{"system":"sec-edgar","filing":"0001209191-21-030290","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121030290/doc4.xml","form_type":"4"}},{"id":2759783,"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 Rights","published_at":"2021-04-05T15:25:33.000Z","date":"2021-04-01","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":106.99,"exercise_date":"2019-10-27","expiration_date":"2024-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001209191-21-024958","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121024958/doc4.xml","form_type":"4"}},{"id":2759782,"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":"2021-04-05T15:25:33.000Z","date":"2021-04-01","kind":"sale","acquired":false,"shares":771,"price":221.89,"value":171077.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025 and 7,136 shares of Common Stock owned by the reporting person."}],"balance_after":11549,"source":{"system":"sec-edgar","filing":"0001209191-21-024958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121024958/doc4.xml","form_type":"4"}},{"id":2759781,"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":"2021-04-05T15:25:33.000Z","date":"2021-04-01","kind":"disposition_to_issuer","acquired":false,"shares":1896,"price":223.71,"value":424154.16,"ownership":{"direct":true},"balance_after":12320,"source":{"system":"sec-edgar","filing":"0001209191-21-024958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121024958/doc4.xml","form_type":"4"}},{"id":2759780,"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":"2021-04-05T15:25:33.000Z","date":"2021-04-01","kind":"exercise","acquired":true,"shares":2667,"price":106.99,"value":285342.33,"ownership":{"direct":true},"balance_after":14216,"source":{"system":"sec-edgar","filing":"0001209191-21-024958","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121024958/doc4.xml","form_type":"4"}},{"id":2817256,"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 Rights","published_at":"2021-03-03T20:33:54.000Z","date":"2021-03-01","kind":"exercise","acquired":false,"shares":2666,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":106.99,"exercise_date":"2019-10-27","expiration_date":"2024-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2666},"source":{"system":"sec-edgar","filing":"0001209191-21-016757","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121016757/doc4.xml","form_type":"4"}},{"id":2817255,"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":"2021-03-03T20:33:54.000Z","date":"2021-03-01","kind":"sale","acquired":false,"shares":809,"price":242.03,"value":195802.27,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025 and 7,136 shares of Common Stock owned by the reporting person."}],"balance_after":11549,"source":{"system":"sec-edgar","filing":"0001209191-21-016757","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121016757/doc4.xml","form_type":"4"}},{"id":2817254,"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":"2021-03-03T20:33:54.000Z","date":"2021-03-01","kind":"disposition_to_issuer","acquired":false,"shares":1857,"price":242.29,"value":449932.53,"ownership":{"direct":true},"balance_after":12358,"source":{"system":"sec-edgar","filing":"0001209191-21-016757","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121016757/doc4.xml","form_type":"4"}},{"id":2817253,"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":"2021-03-03T20:33:54.000Z","date":"2021-03-01","kind":"exercise","acquired":true,"shares":2666,"price":106.99,"value":285235.34,"ownership":{"direct":true},"balance_after":14215,"source":{"system":"sec-edgar","filing":"0001209191-21-016757","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919121016757/doc4.xml","form_type":"4"}},{"id":2998411,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2020-10-29T10:17:28.000Z","date":"2020-10-26","kind":"grant","acquired":false,"shares":1584,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes 60% vested and exercisable on the third anniversary of the grant date, an additional 20% vested and exercisable on the fourth anniversary of the grant date and an additional 20% vested and exercisable on the fifth anniversary of the grant date. This stock appreciation right is required to be settled in stock at the time of exercise."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes 60% vested and exercisable on the third anniversary of the grant date, an additional 20% vested and exercisable on the fourth anniversary of the grant date and an additional 20% vested and exercisable on the fifth anniversary of the grant date. This stock appreciation right is required to be settled in stock at the time of exercise."}],"balance_after":1584,"derivative":{"exercise_price":166.94,"expiration_date":"2030-10-26","underlying":"Common Stock ($0.10 par value)","underlying_shares":1584},"source":{"system":"sec-edgar","filing":"0001209191-20-056185","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120056185/doc4.xml","form_type":"4"}},{"id":2998410,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-10-29T10:17:28.000Z","date":"2020-10-26","kind":"grant","acquired":true,"shares":1169,"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 Amended and Restated 2010 Stock Option and Incentive Plan (the \"2010 Plan\"). Such restricted stock units vest 60% on the third anniversary of the grant date, 20% on the fourth anniversary of the grant date and 20% on the fifth anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024, 1,169 restricted stock units that vest 60% on October 26, 2023, an additional 20% on October 26, 2024 and the remaining 20% on October 26, 2025 and 7,136 shares of Common Stock owned by the reporting person."}],"balance_after":11549,"source":{"system":"sec-edgar","filing":"0001209191-20-056185","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120056185/doc4.xml","form_type":"4"}},{"id":3059438,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2020-08-13T11:56:05.000Z","date":"2020-08-11","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":102.9,"exercise_date":"2018-10-28","expiration_date":"2023-10-28","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001209191-20-046507","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120046507/doc4.xml","form_type":"4"}},{"id":3059437,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-08-13T11:56:05.000Z","date":"2020-08-11","kind":"disposition_to_issuer","acquired":false,"shares":1751,"price":200.48,"value":351040.48,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Consists of 916 shares of unrestricted stock, 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 100% on October 29, 2024 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":10380,"source":{"system":"sec-edgar","filing":"0001209191-20-046507","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120046507/doc4.xml","form_type":"4"}},{"id":3059436,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-08-13T11:56:05.000Z","date":"2020-08-11","kind":"exercise","acquired":true,"shares":2667,"price":102.9,"value":274434.3,"ownership":{"direct":true},"balance_after":12131,"source":{"system":"sec-edgar","filing":"0001209191-20-046507","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120046507/doc4.xml","form_type":"4"}},{"id":3280900,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2020-02-11T19:36:06.000Z","date":"2020-02-10","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2667,"derivative":{"exercise_price":102.9,"exercise_date":"2018-10-28","expiration_date":"2023-10-28","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001209191-20-008223","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120008223/doc4.xml","form_type":"4"}},{"id":3280899,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-02-11T19:36:06.000Z","date":"2020-02-11","kind":"sale","acquired":false,"shares":752,"price":203.8,"value":153257.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 100% on October 29, 2024 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":9464,"source":{"system":"sec-edgar","filing":"0001209191-20-008223","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120008223/doc4.xml","form_type":"4"}},{"id":3280898,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-02-11T19:36:06.000Z","date":"2020-02-10","kind":"disposition_to_issuer","acquired":false,"shares":1915,"price":201.61,"value":386083.15,"ownership":{"direct":true},"balance_after":10216,"source":{"system":"sec-edgar","filing":"0001209191-20-008223","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120008223/doc4.xml","form_type":"4"}},{"id":3280897,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-02-11T19:36:06.000Z","date":"2020-02-10","kind":"exercise","acquired":true,"shares":2667,"price":102.9,"value":274434.3,"ownership":{"direct":true},"balance_after":12131,"source":{"system":"sec-edgar","filing":"0001209191-20-008223","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120008223/doc4.xml","form_type":"4"}},{"id":3312910,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2020-01-13T21:01:01.000Z","date":"2020-01-09","kind":"exercise","acquired":false,"shares":2666,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5334,"derivative":{"exercise_price":102.9,"exercise_date":"2018-10-28","expiration_date":"2023-10-28","underlying":"Common Stock ($0.10 par value)","underlying_shares":2666},"source":{"system":"sec-edgar","filing":"0001209191-20-003184","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120003184/doc4.xml","form_type":"4"}},{"id":3312909,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-01-13T21:01:01.000Z","date":"2020-01-13","kind":"sale","acquired":false,"shares":776,"price":206.16,"value":159980.16,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 100% on October 29, 2024 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":9464,"source":{"system":"sec-edgar","filing":"0001209191-20-003184","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120003184/doc4.xml","form_type":"4"}},{"id":3312908,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-01-13T21:01:01.000Z","date":"2020-01-09","kind":"disposition_to_issuer","acquired":false,"shares":1890,"price":216.23,"value":408674.7,"ownership":{"direct":true},"balance_after":10240,"source":{"system":"sec-edgar","filing":"0001209191-20-003184","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120003184/doc4.xml","form_type":"4"}},{"id":3312907,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2020-01-13T21:01:01.000Z","date":"2020-01-09","kind":"exercise","acquired":true,"shares":2666,"price":102.9,"value":274331.4,"ownership":{"direct":true},"balance_after":12130,"source":{"system":"sec-edgar","filing":"0001209191-20-003184","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919120003184/doc4.xml","form_type":"4"}},{"id":3353388,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right(","published_at":"2019-12-04T19:47:00.000Z","date":"2019-10-29","kind":"grant","acquired":true,"shares":1377,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right, which was granted under the 2010 Plan, becomes 60% vested and exercisable on the third anniversary of the grant date (10/29/2022), an additional 20% vested and exercisable on the fourth anniversary of the grant date (10/29/2023) and an additional 20% vested and exercisable on the fifth anniversary of the grant date (10/29/2024). This stock appreciation right must 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 2010 Plan, becomes 60% vested and exercisable on the third anniversary of the grant date (10/29/2022), an additional 20% vested and exercisable on the fourth anniversary of the grant date (10/29/2023) and an additional 20% vested and exercisable on the fifth anniversary of the grant date (10/29/2024). This stock appreciation right must be settled in stock at the time of exercise."}],"balance_after":1377,"derivative":{"exercise_price":201.24,"expiration_date":"2029-10-29","underlying":"Common Stock ($0.10 par value)","underlying_shares":1377},"source":{"system":"sec-edgar","filing":"0001209191-19-059004","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119059004/doc4a.xml","form_type":"4/A","original_submission_date":"2019-10-30"}},{"id":3353387,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-12-04T19:47:00.000Z","date":"2019-10-29","kind":"grant","acquired":true,"shares":969,"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 Amended and Restated 2010 Stock Option and Incentive Plan (the \"2010 Plan\"). Such restricted stock units vest 60% on the third anniversary of the grant date, 20% on the fourth anniversary of the grant date and 20% on the fifth anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023 and 969 restricted stock units that vest 60% on October 29, 2022, an additional 20% on October 29, 2023 and the remaining 20% on October 29, 2024 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":9464,"source":{"system":"sec-edgar","filing":"0001209191-19-059004","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119059004/doc4a.xml","form_type":"4/A","original_submission_date":"2019-10-30"}},{"id":3385825,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2019-10-30T23:50:41.000Z","date":"2019-10-29","kind":"grant","acquired":true,"shares":1450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right becomes fully vested and exercisable on the fifth anniversary of the grant date (10/29/2024) and must be settled in stock at the time of exercise."}],"balance_after":1450,"derivative":{"exercise_price":201.24,"exercise_date":"2024-10-29","expiration_date":"2029-10-29","underlying":"Common Stock ($0.10 par value)","underlying_shares":1450},"source":{"system":"sec-edgar","filing":"0001209191-19-054554","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119054554/doc4.xml","form_type":"4"}},{"id":3385824,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-10-30T23:50:41.000Z","date":"2019-10-29","kind":"grant","acquired":true,"shares":969,"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 Amended and Restated 2010 Stock Option and Incentive Plan. Such restricted stock units vest 100% on the fifth anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023, 969 restricted stock units that vest 100% on October 29, 2024 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":9464,"source":{"system":"sec-edgar","filing":"0001209191-19-054554","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119054554/doc4.xml","form_type":"4"}},{"id":3508104,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2019-05-30T14:19:28.000Z","date":"2019-05-29","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":69.05,"exercise_date":"2017-10-22","expiration_date":"2022-10-22","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001209191-19-033375","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119033375/doc4.xml","form_type":"4"}},{"id":3508103,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-30T14:19:28.000Z","date":"2019-05-30","kind":"sale","acquired":false,"shares":883,"price":157.85,"value":139381.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":8495,"source":{"system":"sec-edgar","filing":"0001209191-19-033375","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119033375/doc4.xml","form_type":"4"}},{"id":3508102,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-30T14:19:28.000Z","date":"2019-05-29","kind":"disposition_to_issuer","acquired":false,"shares":1784,"price":159.05,"value":283745.2,"ownership":{"direct":true},"balance_after":9378,"source":{"system":"sec-edgar","filing":"0001209191-19-033375","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119033375/doc4.xml","form_type":"4"}},{"id":3508101,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-30T14:19:28.000Z","date":"2019-05-29","kind":"exercise","acquired":true,"shares":2667,"price":69.05,"value":184156.35,"ownership":{"direct":true},"balance_after":11162,"source":{"system":"sec-edgar","filing":"0001209191-19-033375","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000120919119033375/doc4.xml","form_type":"4"}},{"id":3544980,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2019-05-01T16:19:07.000Z","date":"2019-04-29","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2667,"derivative":{"exercise_price":69.05,"exercise_date":"2017-10-22","expiration_date":"2022-10-22","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001284084-19-000027","document":"wf-form4_155672753166576.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000027/wf-form4_155672753166576.xml","form_type":"4"}},{"id":3544979,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-01T16:19:07.000Z","date":"2019-04-30","kind":"sale","acquired":false,"shares":874,"price":157.76,"value":137882.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":8495,"source":{"system":"sec-edgar","filing":"0001284084-19-000027","document":"wf-form4_155672753166576.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000027/wf-form4_155672753166576.xml","form_type":"4"}},{"id":3544978,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-01T16:19:07.000Z","date":"2019-04-29","kind":"disposition_to_issuer","acquired":false,"shares":1793,"price":156.94,"value":281393.42,"ownership":{"direct":true},"balance_after":9369,"source":{"system":"sec-edgar","filing":"0001284084-19-000027","document":"wf-form4_155672753166576.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000027/wf-form4_155672753166576.xml","form_type":"4"}},{"id":3544977,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-05-01T16:19:07.000Z","date":"2019-04-29","kind":"exercise","acquired":true,"shares":2667,"price":69.05,"value":184156.35,"ownership":{"direct":true},"balance_after":11162,"source":{"system":"sec-edgar","filing":"0001284084-19-000027","document":"wf-form4_155672753166576.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000027/wf-form4_155672753166576.xml","form_type":"4"}},{"id":3574584,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2019-03-29T20:30:45.000Z","date":"2019-03-28","kind":"exercise","acquired":false,"shares":2666,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5334,"derivative":{"exercise_price":69.05,"exercise_date":"2017-10-22","expiration_date":"2022-10-22","underlying":"Common Stock ($0.10 par value)","underlying_shares":2666},"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3574583,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-03-29T20:30:45.000Z","date":"2019-03-29","kind":"sale","acquired":false,"shares":840,"price":155.68,"value":130771.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023 and 6,220 shares of Common Stock owned by the reporting person."}],"balance_after":8495,"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3574582,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-03-29T20:30:45.000Z","date":"2019-03-28","kind":"disposition_to_issuer","acquired":false,"shares":1826,"price":150.92,"value":275579.92,"ownership":{"direct":true},"balance_after":9335,"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3574581,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-03-29T20:30:45.000Z","date":"2019-03-28","kind":"exercise","acquired":true,"shares":2666,"price":69.05,"value":184087.3,"ownership":{"direct":true},"balance_after":11161,"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3574580,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-03-29T20:30:45.000Z","date":"2019-01-17","kind":"other","acquired":true,"shares":1639,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8495,"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3574579,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2019-03-29T20:30:45.000Z","date":"2018-12-07","kind":"other","acquired":true,"shares":1224,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":6856,"source":{"system":"sec-edgar","filing":"0001284084-19-000020","document":"wf-form4_155389141880120.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408419000020/wf-form4_155389141880120.xml","form_type":"4"}},{"id":3785651,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2018-10-23T20:17:33.000Z","date":"2018-10-22","kind":"grant","acquired":true,"shares":1297,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"This stock appreciation right becomes fully vested and exercisable on the fifth anniversary of the grant date (10/22/2023) and must be settled in stock at the time of exercise."}],"balance_after":1297,"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":"0001284084-18-000066","document":"wf-form4_154032583738943.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000066/wf-form4_154032583738943.xml","form_type":"4"}},{"id":3785650,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-10-23T20:17:33.000Z","date":"2018-10-22","kind":"grant","acquired":true,"shares":1231,"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 Amended and Restated 2010 Stock Option and Incentive Plan. Such restricted stock units vest 100% on the fifth anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022, 1,231 restricted stock units that vest 100% on October 22, 2023 and 3,357 shares of Common Stock owned by the reporting person."}],"balance_after":5632,"source":{"system":"sec-edgar","filing":"0001284084-18-000066","document":"wf-form4_154032583738943.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000066/wf-form4_154032583738943.xml","form_type":"4"}},{"id":3958295,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2018-04-24T18:58:40.000Z","date":"2018-04-23","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":49.67,"exercise_date":"2016-10-25","expiration_date":"2021-10-26","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001284084-18-000037","document":"wf-form4_152459627439251.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000037/wf-form4_152459627439251.xml","form_type":"4"}},{"id":3958294,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-04-24T18:58:40.000Z","date":"2018-04-24","kind":"sale","acquired":false,"shares":1046,"price":161.7,"value":169138.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022 and 3,357 shares of Common Stock owned by the reporting person."}],"balance_after":4401,"source":{"system":"sec-edgar","filing":"0001284084-18-000037","document":"wf-form4_152459627439251.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000037/wf-form4_152459627439251.xml","form_type":"4"}},{"id":3958293,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-04-24T18:58:40.000Z","date":"2018-04-23","kind":"disposition_to_issuer","acquired":false,"shares":1621,"price":162.15,"value":262845.15,"ownership":{"direct":true},"balance_after":5447,"source":{"system":"sec-edgar","filing":"0001284084-18-000037","document":"wf-form4_152459627439251.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000037/wf-form4_152459627439251.xml","form_type":"4"}},{"id":3958292,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-04-24T18:58:40.000Z","date":"2018-04-23","kind":"exercise","acquired":true,"shares":2667,"price":49.67,"value":132469.89,"ownership":{"direct":true},"balance_after":7068,"source":{"system":"sec-edgar","filing":"0001284084-18-000037","document":"wf-form4_152459627439251.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000037/wf-form4_152459627439251.xml","form_type":"4"}},{"id":3981418,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-03-28T15:57:39.000Z","date":"2018-03-28","kind":"sale","acquired":false,"shares":993,"price":150,"value":148950.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022 and 3,357 shares of Common Stock owned by the reporting person."}],"balance_after":4401,"source":{"system":"sec-edgar","filing":"0001284084-18-000022","document":"wf-form4_152225262894384.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000022/wf-form4_152225262894384.xml","form_type":"4"}},{"id":3982642,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2018-03-27T21:01:18.000Z","date":"2018-03-23","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2667,"derivative":{"exercise_price":49.67,"exercise_date":"2016-10-25","expiration_date":"2021-10-26","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001284084-18-000020","document":"wf-form4_152218446464671.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000020/wf-form4_152218446464671.xml","form_type":"4"}},{"id":3982641,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-03-27T21:01:18.000Z","date":"2018-03-26","kind":"sale","acquired":false,"shares":21,"price":150,"value":3150.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022 and 4,350 shares of Common Stock owned by the reporting person."}],"balance_after":5394,"source":{"system":"sec-edgar","filing":"0001284084-18-000020","document":"wf-form4_152218446464671.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000020/wf-form4_152218446464671.xml","form_type":"4"}},{"id":3982640,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-03-27T21:01:18.000Z","date":"2018-03-23","kind":"disposition_to_issuer","acquired":false,"shares":1653,"price":151.6,"value":250594.8,"ownership":{"direct":true},"balance_after":5415,"source":{"system":"sec-edgar","filing":"0001284084-18-000020","document":"wf-form4_152218446464671.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000020/wf-form4_152218446464671.xml","form_type":"4"}},{"id":3982639,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-03-27T21:01:18.000Z","date":"2018-03-23","kind":"exercise","acquired":true,"shares":2667,"price":49.67,"value":132469.89,"ownership":{"direct":true},"balance_after":7068,"source":{"system":"sec-edgar","filing":"0001284084-18-000020","document":"wf-form4_152218446464671.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000020/wf-form4_152218446464671.xml","form_type":"4"}},{"id":4035662,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2018-02-26T20:08:36.000Z","date":"2018-02-23","kind":"exercise","acquired":false,"shares":2666,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5334,"derivative":{"exercise_price":49.67,"exercise_date":"2016-10-25","expiration_date":"2021-10-26","underlying":"Common Stock ($0.10 par value)","underlying_shares":2666},"source":{"system":"sec-edgar","filing":"0001284084-18-000018","document":"wf-form4_151967570296160.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000018/wf-form4_151967570296160.xml","form_type":"4"}},{"id":4035661,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-02-26T20:08:36.000Z","date":"2018-02-26","kind":"sale","acquired":false,"shares":1266,"price":158.95,"value":201230.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022 and 3,357 shares of Common Stock owned by the reporting person."}],"balance_after":4401,"source":{"system":"sec-edgar","filing":"0001284084-18-000018","document":"wf-form4_151967570296160.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000018/wf-form4_151967570296160.xml","form_type":"4"}},{"id":4035660,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-02-26T20:08:36.000Z","date":"2018-02-23","kind":"disposition_to_issuer","acquired":false,"shares":1400,"price":157.1,"value":219940.0,"ownership":{"direct":true},"balance_after":5667,"source":{"system":"sec-edgar","filing":"0001284084-18-000018","document":"wf-form4_151967570296160.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000018/wf-form4_151967570296160.xml","form_type":"4"}},{"id":4035659,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2018-02-26T20:08:36.000Z","date":"2018-02-23","kind":"exercise","acquired":true,"shares":2666,"price":49.67,"value":132420.22,"ownership":{"direct":true},"balance_after":7067,"source":{"system":"sec-edgar","filing":"0001284084-18-000018","document":"wf-form4_151967570296160.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408418000018/wf-form4_151967570296160.xml","form_type":"4"}},{"id":4124489,"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":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-12-21T19:27:34.000Z","date":"2017-12-20","kind":"grant","acquired":true,"shares":1044,"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 Amended and Restated 2010 Stock Option and Incentive Plan. Such restricted stock units vest 100% on the fifth anniversary of the grant date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Consists of 1,044 restricted stock units that vest 100% on December 20, 2022 and 3,357 shares of Common Stock owned by the reporting person."}],"balance_after":4401,"source":{"system":"sec-edgar","filing":"0001284084-17-000020","document":"wf-form4_151388444083067.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408417000020/wf-form4_151388444083067.xml","form_type":"4"}},{"id":4181557,"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":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2017-10-24T13:19:09.000Z","date":"2017-10-23","kind":"grant","acquired":true,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This stock appreciation right becomes fully vested and exercisable on the fifth anniversary of the grant date (10/23/2022) and must be settled in stock at the time of exercise."}],"balance_after":6000,"derivative":{"exercise_price":156.05,"exercise_date":"2022-10-23","expiration_date":"2027-10-23","underlying":"Common Stock ($0.10 par value)","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001284084-17-000005","document":"wf-form4_150885113558048.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000128408417000005/wf-form4_150885113558048.xml","form_type":"4"}},{"id":4389831,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2017-03-13T19:09:19.000Z","date":"2017-03-10","kind":"exercise","acquired":false,"shares":2666,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":45.57,"exercise_date":"2015-10-26","expiration_date":"2020-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2666},"source":{"system":"sec-edgar","filing":"0001437749-17-004379","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917004379/rdgdoc.xml","form_type":"4"}},{"id":4389830,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-03-13T19:09:19.000Z","date":"2017-03-13","kind":"sale","acquired":false,"shares":1172,"price":131.1,"value":153649.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."}],"balance_after":3357,"source":{"system":"sec-edgar","filing":"0001437749-17-004379","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917004379/rdgdoc.xml","form_type":"4"}},{"id":4389829,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-03-13T19:09:19.000Z","date":"2017-03-10","kind":"disposition_to_issuer","acquired":false,"shares":1494,"price":130.6,"value":195116.4,"ownership":{"direct":true},"balance_after":4529,"source":{"system":"sec-edgar","filing":"0001437749-17-004379","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917004379/rdgdoc.xml","form_type":"4"}},{"id":4389828,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-03-13T19:09:19.000Z","date":"2017-03-10","kind":"exercise","acquired":true,"shares":2666,"price":45.57,"value":121489.62,"ownership":{"direct":true},"balance_after":6023,"source":{"system":"sec-edgar","filing":"0001437749-17-004379","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917004379/rdgdoc.xml","form_type":"4"}},{"id":4455799,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2017-02-13T20:08:15.000Z","date":"2017-02-10","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2666,"derivative":{"exercise_price":45.57,"exercise_date":"2015-10-26","expiration_date":"2020-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001437749-17-002208","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917002208/rdgdoc.xml","form_type":"4"}},{"id":4455798,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-02-13T20:08:15.000Z","date":"2017-02-13","kind":"sale","acquired":false,"shares":1158,"price":128.85,"value":149208.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a Rule 10b5-1 sales plan."}],"balance_after":3357,"source":{"system":"sec-edgar","filing":"0001437749-17-002208","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917002208/rdgdoc.xml","form_type":"4"}},{"id":4455797,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-02-13T20:08:15.000Z","date":"2017-02-10","kind":"disposition_to_issuer","acquired":false,"shares":1509,"price":127.75,"value":192774.75,"ownership":{"direct":true},"balance_after":4515,"source":{"system":"sec-edgar","filing":"0001437749-17-002208","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917002208/rdgdoc.xml","form_type":"4"}},{"id":4455796,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Common Stock","published_at":"2017-02-13T20:08:15.000Z","date":"2017-02-10","kind":"exercise","acquired":true,"shares":2667,"price":45.57,"value":121535.19,"ownership":{"direct":true},"balance_after":6024,"source":{"system":"sec-edgar","filing":"0001437749-17-002208","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917002208/rdgdoc.xml","form_type":"4"}},{"id":4493524,"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":{"officer":true,"officer_title":"Senior VP of Operations"}}],"security":"Stock Appreciation Right","published_at":"2017-01-11T20:44:11.000Z","date":"2017-01-10","kind":"exercise","acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5333,"derivative":{"exercise_price":45.57,"exercise_date":"2015-10-26","expiration_date":"2020-10-27","underlying":"Common Stock ($0.10 par value)","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001437749-17-000537","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/717954/000143774917000537/rdgdoc.xml","form_type":"4"}}],"next_cursor":"2017-01-11T20:44:11.000000Z,4493524"}