UNF insider update: EVP acquired 501 shares; 3,685 direct post‑trade

Rhea-AI Filing Summary

UniFirst Corp (UNF) reported insider activity by an Executive Vice President on 10/31/2025. The officer acquired 501 shares of Common Stock at $0 under vested restricted stock units and had shares withheld to cover taxes.

Tax withholding transactions removed 213 shares and 622 shares at a price of $154.35 per share. Following these transactions, directly held Common Stock totaled 3,685 shares, with an additional 65 shares held indirectly through an IRA. The RSU award referenced was earned based on performance criteria and included remaining unvested tranches scheduled through October 2028.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Ross William Masters

Role Executive Vice President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	501	$0.00	--
Tax Withholding	Common Stock	213	$154.35	$33K
Tax Withholding	Common Stock	622	$154.35	$96K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 4,520 shares (Direct); Common Stock — 65 shares (Indirect, By IRA)

Footnotes (1)

1. Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested. Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units. Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027 owned by the reporting person and 1,128 shares of Common Stock owned by the reporting person.

Form 4 Insider Transactions: What Each Field Means →

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^*

Ross William Masters

(Last) (First) (Middle)

C/O UNIFIRST CORP

68 JONSPIN ROAD

(Street)

WILMINGTON MA 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		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/31/2025		A		501(1)	A	$0	4,520	D
Common Stock	10/31/2025		F		213(2)	D	$154.35	4,307	D
Common Stock	10/31/2025		F		622(2)	D	$154.35	3,685(3)	D
Common Stock								65	I	By IRA

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested.

2. Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units.

3. Consists of 224 restricted stock units that vest in one remaining annual installment on October 31, 2026, 552 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, and 959 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 822 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027 owned by the reporting person and 1,128 shares of Common Stock owned by the reporting person.

	/s/ John Dowd, Attorney-in-Fact	11/04/2025
	** 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.

FAQ

What did UNF’s EVP report on the Form 4 dated 10/31/2025?

An acquisition of 501 shares via RSU vesting at $0, and tax withholding of 213 and 622 shares at $154.35 per share.

How many UNF shares does the insider hold after the transactions?

Direct holdings are 3,685 shares, with 65 shares held indirectly via an IRA.

What were the prices used for UNF tax withholdings on 10/31/2025?

The company withheld shares at $154.35 per share to satisfy tax obligations.

What role does the reporting person hold at UNF?

The reporting person is an Executive Vice President.

What triggered the share acquisition reported by UNF’s EVP?

The 501 shares reflect vested restricted stock units earned based on performance criteria.

Are there remaining unvested UNF RSUs for the insider?

Yes. The note lists multiple RSU tranches scheduled to vest annually through October 2028.