UNF

SEC source: 0001193125-25-264754 · ownership.xml · nonDerivative · entry 3

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,827

F3 · shares: Consists of 336 restricted stock units that vest in one remaining annual installment on October 31, 2026, 788 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,369 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,471 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 3,863 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-264754 · ownership.xml · nonDerivative · entry 2

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,742

F2 · shares: 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.

SEC source: 0001193125-25-264754 · ownership.xml · nonDerivative · entry 1

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,123

F1 · shares: Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested.

SEC source: 0001193125-25-264743 · ownership.xml · nonDerivative · entry 3

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,964

F2 · shares: 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.

F3 · balance_after: Consists of 1,259 restricted stock units that vest on September 30, 2026 owned by the reporting person, 2,075 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 4,630 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-264743 · ownership.xml · nonDerivative · entry 2

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,407

F2 · shares: 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.

SEC source: 0001193125-25-264743 · ownership.xml · nonDerivative · entry 1

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,512

F1 · shares: Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested.

SEC source: 0001193125-25-227885 · ownership.xml · nonDerivative · entry 1

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,983

F1 · shares: 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.

F2 · balance_after: Consists of 1,259 restricted stock units that vest on September 30, 2026 owned by the reporting person, 3,112 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 2,612 shares of Common Stock owned by the reporting person.

SEC source: 0000950170-25-022882 · ownership.xml · nonDerivative · entry 1

Katz David Martin · CIK 0001459610 · Executive VP, Sales/Marketing

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,455

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024.

F2 · balance_after: Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 598 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 1,064 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,643 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,686 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 1,230 shares of Common Stock owned by the reporting person.

SEC source: 0000950170-25-022162 · ownership.xml · derivative · entry 4

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock ($0.10 par value) · 4,000 shares

Expires 2025-10-26

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-022162 · ownership.xml · nonDerivative · entry 3

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,156

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024.

F2 · balance_after: 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.

SEC source: 0000950170-25-022162 · ownership.xml · nonDerivative · entry 2

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,313

SEC source: 0000950170-25-022162 · ownership.xml · nonDerivative · entry 1

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,156

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-022157 · ownership.xml · nonDerivative · entry 2

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,019

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024.

F2 · balance_after: Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, and 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 owned by the reporting person.

SEC source: 0000950170-25-022157 · ownership.xml · nonDerivative · entry 1

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,363

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 15, 2024.

SEC source: 0000950170-25-005819 · ownership.xml · derivative · entry 3

Zemlin Raymond C. · CIK 0001691916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock ($0.10 par value) · 988 shares

Expires 2025-01-13

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The reported transaction represents the automatic exercise of stock appreciation rights ('SARs') immediately prior to their expiration on January 13, 2025. The SARs were exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise.

SEC source: 0000950170-25-005819 · ownership.xml · nonDerivative · entry 2

Zemlin Raymond C. · CIK 0001691916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,468

SEC source: 0000950170-25-005819 · ownership.xml · nonDerivative · entry 1

Zemlin Raymond C. · CIK 0001691916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,063

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The reported transaction represents the automatic exercise of stock appreciation rights ('SARs') immediately prior to their expiration on January 13, 2025. The SARs were exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 14

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F14 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $196.24 to $197.01, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 13

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,899

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F13 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $195.23 to $196.22, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 12

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,089

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F12 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $194.21 to $195.18, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 11

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,586

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F11 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.18 to $194.13, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 10

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,601

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F10 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.17 to $193.16, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 9

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,930

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 8

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,980

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F9 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.47 to $193.47, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 7

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,203

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F8 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $191.09 to $192.03, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 6

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,390

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F7 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $191.50 to $192.29, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 5

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,607

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F6 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $190.46 to $191.45, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 4

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,879

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F5 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $189.45 to $190.41, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 3

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 26,890

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F4 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.10 to $194.00, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of 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.

SEC source: 0000950170-24-129902 · ownership.xml · nonDerivative · entry 2

The Ronald D Croatti Trust - 1993 · CIK 0001724901 · 10% owner

Croatti Matthew · CIK 0001724534 · 10% owner

Croatti Carol · CIK 0001724908 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,158

F2 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on August 16, 2024.

F3 · price: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.07 to $193.05, inclusive. The reporting person undertakes to provide to UniFirst Corporation, any security holder of UniFirst Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.

SEC source: 0000950170-24-129884 · ownership.xml · derivative · entry 2

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,538

Underlying: Common Stock ($0.10 par value) · 4,538 shares

Expires 2034-11-19

F3 · security: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0000950170-24-129884 · ownership.xml · nonDerivative · entry 1

Rooney Kelly C. · CIK 0001943720 · Executive VP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,902

F1 · shares: 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.

F2 · balance_after: Consists of 4,531 restricted stock units that vest on September 30, 2025, 1,259 restricted stock units that vest on September 30, 2026 owned by the reporting person and 3,112 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027.

SEC source: 0000950170-24-129900 · ownership.xml · derivative · entry 4

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,215

Underlying: Common Stock ($0.10 par value) · 3,215 shares

Expires 2034-11-19

F5 · security: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0000950170-24-129900 · ownership.xml · nonDerivative · entry 3

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,226

F3 · shares: 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.

F4 · balance_after: Consists of 234 restricted stock units that vest in one remaining annual installment on October 31, 2025, 672 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 1,182 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,825 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 2,205 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 1,615 shares of Common Stock owned by the reporting person.

SEC source: 0000950170-24-129900 · ownership.xml · nonDerivative · entry 2

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,590

F2 · shares: Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested.

SEC source: 0000950170-24-129900 · ownership.xml · nonDerivative · entry 1

O'Connor Shane · CIK 0001370639 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,733

F1 · shares: 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.

SEC source: 0000950170-24-129881 · ownership.xml · derivative · entry 2

Croatti Matthew · CIK 0001724534 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 568

Underlying: Common Stock ($0.10 par value) · 568 shares

Expires 2034-11-19

F3 · security: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0000950170-24-129881 · ownership.xml · nonDerivative · entry 1

Croatti Matthew · CIK 0001724534 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,538

F1 · shares: 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.

F2 · balance_after: Consists of 94 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 187 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 355 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 548 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 584 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 8,770 shares of Common Stock owned by the reporting person.

SEC source: 0000950170-24-129873 · ownership.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2032-11-19

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-129873 · ownership.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,202

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

SEC source: 0000950170-24-129875 · ownership.xml · derivative · entry 2

Zemlin Raymond C. · CIK 0001691916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 0 shares

Expires 2032-11-19

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-129875 · ownership.xml · nonDerivative · entry 1

Zemlin Raymond C. · CIK 0001691916 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,075

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

SEC source: 0000950170-24-129863 · ownership.xml · derivative · entry 2

McKenney Cecilia K · CIK 0001352795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2024-11-19

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-129863 · ownership.xml · nonDerivative · entry 1

McKenney Cecilia K · CIK 0001352795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 655

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

SEC source: 0000950170-24-129870 · ownership.xml · derivative · entry 2

NOWICKI JOSEPH M · CIK 0001238633 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2032-11-19

F2 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-129870 · ownership.xml · nonDerivative · entry 1

NOWICKI JOSEPH M · CIK 0001238633 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,638

F1 · shares: Represents an award of unrestricted Common Stock under the UniFirst Corporation 2023 Stock Option and Incentive Plan.

SEC source: 0000950170-24-129860 · ownership.xml · derivative · entry 1

Iandoli Michael · CIK 0001385748 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2032-11-19

F1 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-129855 · ownership.xml · derivative · entry 1

CROATTI CYNTHIA · CIK 0001260756 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 823

Underlying: Common Stock ($0.10 par value) · 823 shares

Expires 2032-11-19

F1 · security: This stock appreciation right is exercisable in full on the grant date (11/19/2024) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of November 19, 2032 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0000950170-24-130129 · ownership.xml · derivative · entry 8

Sintros Steven S · CIK 0001453910 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,807

Underlying: Common Stock ($0.10 par value) · 6,807 shares

Expires 2034-11-19

F9 · security: 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.

F9 · derivative.exercise_date: 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.

SEC source: 0000950170-24-130129 · ownership.xml · nonDerivative · entry 7

Sintros Steven S · CIK 0001453910 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,900

F7 · shares: 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.

F8 · balance_after: Consists of (i) 16,081 shares of Common Stock owned by the reporting person, (iii) 645 restricted stock units that will vest in one remaining annual installment on November 19, 2025, (iv) 1,493 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, (v) 2,363 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, (vi) 3,650 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028 and (vii) 4,668 restricted stock units that vest in three equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027