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
                                                                                  
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

CROATTI CYNTHIA 		2. Issuer Name and Ticker or Trading Symbol

UNIFIRST CORP [ UNF ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Executive VP and Treasurer
(Last)          (First)          (Middle)

68 JONSPIN ROAD 		3. Date of Earliest Transaction (MM/DD/YYYY)

3/27/2017
(Street)

WILMINGTON, MA 01887
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   3/27/2017     M    4000   A $49.67   4000   D    
Common Stock   3/27/2017     D    2292   D $135.10   1708   D    
Common Stock   3/28/2017     S    100   (1) D $134.20   1608   D    
Common Stock   3/28/2017     S    100   (1) D $134.925   1508   D    
Common Stock   3/28/2017     S    70   (1) D $134.50   1438   D    
Common Stock   3/28/2017     S    1338   (1) D $134.15   100   D    
Common Stock   3/28/2017     S    100   (1) D $134.10   0   D    
Class B Common Stock                  1734986   (2) (3) I   By Partnership  
Class B Common Stock                  1015717   (3) (4) I   By Partnership  
Class B Common Stock                  4374   (5) I   By Trust  
Common Stock                  68534   (6) I   By LLC  
Class B Common Stock                  48000   (7) I   By Trust  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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   $49.67   3/27/2017     M         4000    10/25/2016   10/26/2021   Common Stock ($0.10 par value)   4000   $0   4000   D    

Explanation of Responses:
( 1)  Represents shares sold pursuant to a Rule 10b5-1 sales plan.
( 2)  Represents shares owned directly by The Queue Limited Partnership and indirectly by each of Queue Management Associates, Inc., Ronald D. Croatti, Cynthia Croatti and Cecelia Levenstein. Queue Management Associates, Inc. is the general partner of The Queue Limited Partnership. Ronald D. Croatti and Cynthia Croatti are officers, directors and shareholders of Queue Management Associates, Inc., and Cecelia Levenstein is a director and shareholder of Queue Management Associates, Inc. Ronald D. Croatti is a beneficiary, but not a trustee, of a trust holding a limited partnership interest in The Queue Limited Partnership. Cynthia Croatti and Cecelia Levenstein are trustees or beneficiaries of various trusts which hold limited partnership interests in The Queue Limited Partnership.
( 3)  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, 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.
( 4)  Represents shares owned directly by The Red Cat Limited Partnership and indirectly by each of Red Cat Management Associates, Inc., Ronald D. Croatti and Cynthia Croatti. Red Cat Management Associates, Inc. is the general partner of The Red Cat Limited Partnership. Ronald D. Croatti and Cynthia Croatti are officers, directors and shareholders of Red Cat Management Associates, Inc. Ronald D. Croatti is the beneficiary, but not a trustee, of a trust holding a limited partnership interest in The Red Cat Limited Partnership. Cynthia Croatti and Cecelia Levenstein are trustees or beneficiaries of certain trusts which hold limited partnership interests in The Red Cat Limited Partnership.
( 5)  Represents shares owned directly by The Marie Croatti QTIP Trust. Ronald D. Croatti and Cynthia Croatti are trustees of The Marie Croatti QTIP Trust. Ronald D. Croatti and Cynthia Croatti disclaim beneficial ownership of these reported securities, except to the extent of each individual's pecuniary interest therein, and this report shall not be deemed an admission that either of such individuals is the beneficial owner of these securities for purposes of Section 16 or any other purpose.
( 6)  Cynthia Croatti is the manager of Trilogy Investment Partners LLC, which as of the date of filing this report, directly owns the reported securities. Cynthia Croatti disclaims beneficial ownership of these reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that she is the beneficial owner of the securities for purposes of Section 16 or any other purpose.
( 7)  Cynthia Croatti is a trustee of The Samuel E. Brown Gallo Trust - 1989 and The Nicholas C. Brown Gallo Trust - 1989, which as of the date of filing this report, each directly owns a portion of these reported securities. Cynthia Croatti disclaims beneficial ownership of these reported securities, except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that she is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CROATTI CYNTHIA
68 JONSPIN ROAD
WILMINGTON, MA 01887 		X X Executive VP and Treasurer

Signatures
/s/ David Whitman, Attorney-in-Fact 3/29/2017
** Signature of Reporting Person Date


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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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