UNF

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 6

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,023

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 5

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,273

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 4

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,523

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-056419 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,461

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 14, 2025.

F2 · balance_after: Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 1,866 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 1,230 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-26-044463 · ownership.xml · nonDerivative · entry 1

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,849

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on November 10, 2025.

F2 · balance_after: Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 1,292 restricted stock units that vest in three remaining equal annual installments on October 31, 2026, October 31, 2027, and October 31, 2028.

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 3

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,773

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 2

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,023

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-167398 · ownership.xml · nonDerivative · entry 1

Levenstein Cecelia · CIK 0001366783 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,273

F1 · shares: Represents a pre-planned gift of shares to a charitable organization. The reporting of this transaction was late due to an administrative oversight.

SEC source: 0001193125-26-006372 · ownership.xml · nonDerivative · entry 1

DIFILLIPPO DAVID A · CIK 0001261137 · Retired EVP of Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,684

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.

SEC source: 0001193125-25-325400 · ownership.xml · derivative · entry 2

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2033-12-16

F2 · security: These are annual grants for fiscal 2026.

F3 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0001193125-25-325400 · ownership.xml · nonDerivative · entry 1

Pupkin Sergio A · CIK 0001813056 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,777

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

F2 · shares: These are annual grants for fiscal 2026.

SEC source: 0001193125-25-325399 · 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: 4,940

Underlying: Common Stock ($0.10 par value) · 4,940 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325399 · 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: 11,409

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of 1,259 restricted stock units that vest on September 30, 2026, 2,075 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 3,445 restricted stock units that vest in three equal installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 4,630 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-325398 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,410

Underlying: Common Stock ($0.10 par value) · 7,410 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325398 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,982

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of (i) 18,743 shares of Common Stock owned by the reporting person, (ii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iii) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (iv) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (v) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, (vi) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vii) 5,167 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028.

SEC source: 0001193125-25-325396 · ownership.xml · derivative · entry 1

CROATTI CYNTHIA · CIK 0001260756 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2033-12-16

F1 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

F2 · security: This is an annual grant for fiscal 2026.

SEC source: 0001193125-25-325394 · ownership.xml · derivative · entry 2

Croatti Matthew · CIK 0001724534 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 618

Underlying: Common Stock ($0.10 par value) · 618 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325394 · ownership.xml · nonDerivative · entry 1

Croatti Matthew · CIK 0001724534 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,912

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 646 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 9,134 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-325392 · ownership.xml · derivative · entry 2

McKenney Cecilia K · CIK 0001352795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2025-12-16

F2 · security: These are annual grants for fiscal 2026.

F3 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0001193125-25-325392 · ownership.xml · nonDerivative · entry 1

McKenney Cecilia K · CIK 0001352795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,230

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

F2 · shares: These are annual grants for fiscal 2026.

SEC source: 0001193125-25-325390 · ownership.xml · derivative · entry 2

NOWICKI JOSEPH M · CIK 0001238633 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2033-12-16

F2 · security: These are annual grants for fiscal 2026.

F3 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

SEC source: 0001193125-25-325390 · ownership.xml · nonDerivative · entry 1

NOWICKI JOSEPH M · CIK 0001238633 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,213

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

F2 · shares: These are annual grants for fiscal 2026.

SEC source: 0001193125-25-325391 · ownership.xml · derivative · entry 1

Iandoli Michael · CIK 0001385748 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987

Underlying: Common Stock ($0.10 par value) · 987 shares

Expires 2033-12-16

F1 · security: This stock appreciation right is exercisable in full on the grant date (12/16/2025) and is required to be settled in stock at the time of exercise. The grant has an expiration date of the earlier of December 16, 2033 or the second anniversary of the date that the grantee ceases to be a member of the Board of Directors.

F2 · security: This is an annual grant for fiscal 2026.

SEC source: 0001193125-25-325389 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,676

Underlying: Common Stock ($0.10 par value) · 2,676 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325389 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,925

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 2,676 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 2,694 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-325387 · ownership.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,500

Underlying: Common Stock ($0.10 par value) · 3,500 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325387 · 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: 10,267

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of 336 restricted stock units that vest in one remaining annual installment on October 31, 2026, 788 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,369 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,471 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 2,440 restricted stock units that vest in three equal annual installments on October 3, 2026, October 31, 2027, and October 31, 2028 and 3,863 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-325386 · ownership.xml · derivative · entry 3

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,235

Underlying: Common Stock ($0.10 par value) · 1,235 shares

Expires 2035-12-16

F2 · security: These are annual grants for fiscal 2026.

F4 · security: This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

F4 · 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, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.

SEC source: 0001193125-25-325386 · ownership.xml · nonDerivative · entry 1

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,977

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, 2026, October 31, 2027 and October 31, 2028.

F2 · shares: These are annual grants for fiscal 2026.

F3 · balance_after: Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,292 restricted stock units that vest in three remaining equal annual installments on October 31, 2026, October 31, 2027, and October 31, 2028 and 1,128 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-290893 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,815

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 (i) 18,743 shares of Common Stock owned by the reporting person, (ii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iii) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (iv) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (v) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vi) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027.

SEC source: 0001193125-25-266743 · ownership.xml · derivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock ($0.10 par value) · 1,297 shares

Expires 2028-10-22

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: 0001193125-25-266743 · ownership.xml · derivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock ($0.10 par value) · 1,233 shares

Expires 2027-10-23

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: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,059

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 30, 2025.

F2 · balance_after: Consists of 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 2,694 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,060

SEC source: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,292

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: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,059

F1 · shares: Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 30, 2025.

SEC source: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,067

SEC source: 0001193125-25-266743 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,356

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: 0001193125-25-265119 · ownership.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,059

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 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 2,694 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-265119 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,850

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: 0001193125-25-265119 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,142

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

SEC source: 0001193125-25-265118 · ownership.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,102

F2 · shares: Represents restricted stock units that were earned based on the achievement of certain performance criteria and that 50% of such restricted stock units remain subject to vesting on October 31, 2026 and 50% of such restricted stock units remain subject to vesting on October 31, 2027.

F3 · balance_after: Consists of (i) 18,385 shares of Common Stock owned by the reporting person, (ii) 645 restricted stock units that will vest in one remaining annual installment on November 19, 2025, (iii) 747 restricted stock units that vest in one remaining annual installment on October 31, 2026, (iv) 1,576 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, (v) 2,738 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, (vi) 3,113 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and (vii) 1,898 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027.

SEC source: 0001193125-25-265118 · ownership.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,204

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.

SEC source: 0001193125-25-264773 · ownership.xml · nonDerivative · entry 3

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,822

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 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.

SEC source: 0001193125-25-264773 · ownership.xml · nonDerivative · entry 2

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,444

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: 0001193125-25-264773 · ownership.xml · nonDerivative · entry 1

DIFILLIPPO DAVID A · CIK 0001261137 · Executive VP of Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,657

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

SEC source: 0001193125-25-264800 · ownership.xml · nonDerivative · entry 1

Croatti Matthew · CIK 0001724534 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,266

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 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 9,134 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-264793 · ownership.xml · nonDerivative · entry 3

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,685

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 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027 owned by the reporting person and 1,128 shares of Common Stock owned by the reporting person.

SEC source: 0001193125-25-264793 · ownership.xml · nonDerivative · entry 2

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,307

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: 0001193125-25-264793 · ownership.xml · nonDerivative · entry 1

Ross William Masters · CIK 0001688445 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,520

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