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).
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, 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
The Ronald D Croatti Trust - 1993
   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)
68 JONSPIN ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
03/27/2018
(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               31,134 D (1)  

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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
Class B Common Stock (2)               (2)   (2) Common Stock ($0.10 par value) 1,098,770   1,098,770 D (1)  
Class B Common Stock (2) 03/27/2018   S     1,062,211 (3)   (2)   (2) Common Stock ($0.10 par value) 1,062,211 $ 124 1,688,694 I (4) (5) (6) (7) By Partnership

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
The Ronald D Croatti Trust - 1993
68 JONSPIN ROAD
WILMINGTON, MA 01887		     X    

Signatures

 /s/ David Whitman, Attorney-in-Fact   03/29/2018
**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 shares owned directly by The Ronald D. Croatti Trust - 1993, of which Carol Croatti and Matthew Croatti are the trustees and Carol Croatti is the beneficiary.
(2) Each share of Class B Common Stock is convertible at any time by the holder into one share of Common Stock. Each share of Class B Common Stock automatically converts into one share of Common Stock upon transfer to a recipient that is not a permitted transferee or upon termination of the Class B Common Stock, in each case in accordance with the terms of the charter of UniFirst Corporation.
(3) Represents shares repurchased by UniFirst Corporation from The Queue Limited Partnership at a price per share of $124.00.
(4) Includes 672,775 shares owned directly by The Queue Limited Partnership and 199 shares owned directly by Queue Management Associates, Inc. Queue Management Associates, Inc. is the general partner of The Queue Limited Partnership. The Ronald D. Croatti Trust 1993 (of which Carol Croatti and Matthew Croatti are the trustees and Carol Croatti is the beneficiary), Cynthia Croatti and Cecilia Levenstein are the sole shareholders of Queue Management Associates, Inc., and Carol Croatti, Cynthia Croatti and Cecelia Levenstein are the directors of Queue Management Associates, Inc. Cynthia Croatti and Cecelia Levenstein are trustees, co-trustees and in some cases beneficiaries, and in some cases their children are beneficiaries, of various trusts which hold limited partnership interests in The Queue Limited Partnership.
(5) Ronald D. Croatti's children are beneficiaries of certain trusts which hold limited partnership interests in The Queue Limited Partnership. Certain of the trusts which hold limited partnership interests in The Queue Limited Partnership also own some of the reported shares directly.
(6) Includes 1,015,717 shares owned directly by The Red Cat Limited Partnership and 3 shares owned directly by Red Cat Management Associates, Inc. Red Cat Management Associates, Inc. is the general partner of The Red Cat Limited Partnership. The Ronald D. Croatti Trust - 1993 and Cynthia Croatti are the sole shareholders of Red Cat Management Associates, Inc. and Carol Croatti and Cynthia Croatti are the directors of Red Cat Management Associates, Inc. Cynthia Croatti and Cecelia Levenstein are trustees, co-trustees and in the case of Cynthia Croatti a beneficiary of certain trusts which hold limited partnership interests in The Red Cat Limited Partnership. Ronald D. Croatti's children are beneficiaries of a trust which holds a limited partnership interest in The Red Cat Limited Partnership. Certain of the trusts which hold limited partnership interests in The Red Cat Limited Partnership also own some of the reported shares directly.
(7) Each of the aforementioned reporting persons disclaims beneficial ownership of these reported securities, except to the extent of his, her or its pecuniary interest therein, if any, and this report shall not be deemed an admission that such persons are the beneficial owners of these securities for purposes of Section 16 or any other purpose.

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