Sec Form 4 Filing - Croatti Matthew @ UNIFIRST CORP - 2022-11-28

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Croatti Matthew 2. Issuer Name and Ticker or Trading Symbol UNIFIRST CORP [ UNF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O UNIFIRST CORP, 68 JONSPIN ROAD 3. Date of Earliest Transaction (MM/DD/YY) 11/28/2022 (Street) WILMINGTON, MA01887 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/28/2022 A 591( 1 ) A $ 0 18,990( 2 ) D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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( 3 ) $ 190.53 11/28/2022 A 599 ( 3 ) 11/28/2032 Common Stock ($0.10 par value) 599 $ 0 599 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Croatti Matthew C/O UNIFIRST CORP 68 JONSPIN ROAD WILMINGTON, MA01887 X Signatures /s/ Steven S. Sintros, Attorney-in-Fact 11/30/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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. ( 2 )Consists of 99 restricted stock units that vest in one remaining annual installment on October 31, 2023, 156 restricted stock units that vest in two remaining equal annual installments on October 31, 2023 and October 31, 2024, 281 restricted stock units that vest in three remaining equal annual installments on October 31, 2023, October 31, 2024 and October 31, 2025, 374 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, 591 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 17,489 shares of Common Stock owned by the reporting person. ( 3 )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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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