Statement of Changes in Beneficial Ownership - Form 4

Ownership Submission

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Ross William Masters 2. Issuer Name and Ticker or Trading Symbol UNIFIRST CORP [UNF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) C/O UNIFIRST CORP, 68 JONSPIN ROAD 3. Date of Earliest Transaction (Month/Day/Year) 11/19/2024 (Street) WILMINGTON, MA 01887 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 11/19/2024 A 1,232(1) A $ 0 4,735 D Common Stock 11/19/2024 A 600(2) A $ 0 5,335 D Common Stock 11/19/2024 F 256(3) D $192.83 5,079(4) D Common Stock 65 I By IRA

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Appreciation Right(5)

$192.83

11/19/2024

A

1,797

(5)

11/19/2034

Common Stock ($0.10 par value)

1,797

$ 0

1,797

D

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
Ross William Masters C/O UNIFIRST CORP 68 JONSPIN ROAD WILMINGTON, MA 01887			Executive Vice President

Signatures

s/ Andrea Ballute, Attorney-in-Fact	11/22/2024
**Signature of Reporting Person	Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	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.
(2)	Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested.
(3)	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.
(4)	Consists of 234 restricted stock units that vest in one remaining equal annual installment on October 31, 2025, 448 restricted stock units that vest in two remaining equal annual installments on October 31, 2025 and October 31, 2026, 827 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027, 1,278 restricted stock units that vest in four equal annual installments on October 31, 2025, October 31, 2026, October 31, 2027 and October 31, 2028, 1,232 restricted stock units that vest in three remaining equal annual installments on October 31, 2025, October 31, 2026 and October 31, 2027 and 1,060 shares of Common Stock owned by the reporting person.
(5)	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.

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