Exercise4

UNIFIRST CORP

Total Value

$426.2K

Filing Date

Oct 27, 2026

1 transactions

Trade Summary

On Oct 23, 2026, Croatti Matthew, 10% Owner, reported $426.2K of UNIFIRST CORP (UNF) across 1 transactions. The filing covers Common Stock and reflects balanced net activity of $0. Reported prices ranged from $119.00 to $281.29. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Insider Information

Name: Croatti Matthew
Role: 10% Owner
Location: WILMINGTON, MA

Filing Details

Filing Date: Oct 27, 2026
Transaction Date: Oct 23, 2026
Accession Number: 0001628280-26-067635
Form Type: 4

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Oct 23, 2026	Common Stock	1,000	$119.00	Exercise	$119.0K
Oct 23, 2026	Common Stock	669	$281.29	Tax Withholding	$188.2K

Derivative Transactions

Date	Security	Shares	Exercise Price	Type	Value
Oct 23, 2026	UNF derivative	1,000	$119.00	Exercise	$119.0K

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Footnotes

(F1)The reported transaction represents the automatic exercise of stock appreciation rights ("SARs") immediately prior to their expiration on October 24, 2026. The SARs were automatically exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise.
(F2)Includes shares withheld for taxes upon automatic exercise of stock-settled stock appreciation rights.
(F3)Includes 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 646 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 9,465 shares of Common Stock owned by the reporting person.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Croatti Matthew

(Last)

(First)

(Middle)

C/O UNIFIRST CORP

68 JONSPIN ROAD

(Street)

WILMINGTON

01887

(City)

(State)

(Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/23/2026

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/23/2026		M		1,000⁽¹⁾	A	$119	11,912	D
Common Stock	10/23/2026		F		669⁽²⁾	D	$281.29	11,243⁽³⁾	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 (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 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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Appreciation Rights	$119	10/23/2026		M			1,000⁽¹⁾	10/23/2026	10/24/2026	Common Stock	1,000	$0	0	D

Explanation of Responses:

1. The reported transaction represents the automatic exercise of stock appreciation rights ("SARs") immediately prior to their expiration on October 24, 2026. The SARs were automatically exercised in accordance with the terms of the award agreement. There was no sale of shares acquired upon such automatic exercise.

2. Includes shares withheld for taxes upon automatic exercise of stock-settled stock appreciation rights.

3. Includes 94 restricted stock units that vest in one remaining annual installment on October 31, 2026, 237 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 411 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 390 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027, 646 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028 and 9,465 shares of Common Stock owned by the reporting person.

Remarks:

	/s/ John Dowd, Attorney-in-Fact	10/27/2026
	** 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 Number.

Form 4 as rendered by the SEC from accession 0001628280-26-067635.

UNIFIRST CORP

Trade Summary

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4