Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	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 * Ross William Masters	2. Date of Event Requiring Statement (MM/DD/YYYY) 10/24/2016	3. Issuer Name and Ticker or Trading Symbol UNIFIRST CORP [UNF]
(Last)        (First)        (Middle) 68 JONSPIN ROAD	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                            _____ 10% Owner ___ X ___ Officer (give title below)          _____ Other (specify below) Senior VP of Operations /
(Street) WILMINGTON, MA 01887        (City)              (State)              (Zip)	5. 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 Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	192	I	By 401(k) Plan

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock appreciation right	10/25/2016	10/25/2021	Common stock/$0.10 par value	1000	$49.6700	D
Stock appreciation right	10/22/2017	10/22/2022	Common stock/$0.10 par value	1000	$69.0500	D
Stock appreciation right	10/28/2018	10/28/2023	Common stock/$0.10 par value	1000	$102.9000	D
Stock appreciation right	10/27/2019	10/27/2024	Common stock/$0.10 par value	1000	$106.9900	D
Stock appreciation right	10/26/2020	10/26/2025	Common stock/$0.10 par value	750	$104.6700	D

Explanation of Responses:

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ross William Masters 68 JONSPIN ROAD WILMINGTON, MA 01887			Senior VP of Operations

Signatures
/s/ David Whitman, Attorney-in-Fact		10/26/2016
** 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 5(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.
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