UNF insider reports RSU vesting and tax withholdings

Rhea-AI Filing Summary

UniFirst Corp (UNF) executive vice president of Sales/Marketing reported routine insider equity activity. On 10/31/2025, 687 shares were acquired at $0 upon vesting of performance-based restricted stock units. To cover taxes, the company withheld 292 and 791 shares at a price of $154.35 per share.

Following these transactions, beneficial ownership stood at 6,059 shares. This includes 2,694 shares owned and multiple RSU tranches scheduled to vest: 299 on October 31, 2026; 709 in two equal installments on October 31, 2026 and October 31, 2027; 1,232 in three equal installments on October 31, 2026, October 31, 2027, and October 31, 2028; and 1,125 in two equal installments on October 31, 2026 and October 31, 2027.

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

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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^*

Katz David Martin

(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 VP, Sales/Marketing

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		687(1)	A	$0	7,142	D
Common Stock	10/31/2025		F		292(2)	D	$154.35	6,850	D
Common Stock	10/31/2025		F		791(2)	D	$154.35	6,059(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)
				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 299 restricted stock units that vest in one remaining annual installment on October 31, 2026, 709 restricted stock units that vest in two remaining equal annual installments on October 31, 2026 and October 31, 2027, 1,232 restricted stock units that vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028, 1,125 restricted stock units that vest in two equal annual installments on October 31, 2026 and October 31, 2027 and 2,694 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).
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FAQ

What did UniFirst (UNF) report on Form 4?

An officer reported equity transactions on 10/31/2025, including 687 shares from vested RSUs and tax withholdings at $154.35 per share.

Who is the reporting person in the UNF Form 4?

An Executive VP, Sales/Marketing, filing as a single reporting person.

What shares were acquired or disposed in this filing?

687 shares were acquired at $0 upon RSU vesting; 292 and 791 shares were withheld to satisfy taxes at $154.35.

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

Beneficial ownership is 6,059 shares after the reported transactions.

What RSU vesting remains for the UNF insider?

Remaining tranches: 299 on 10/31/2026; 709 over 10/31/2026 and 10/31/2027; 1,232 over 2026–2028; 1,125 over 2026–2027.

What price was used for UNF tax withholding?

Shares were withheld at $154.35 per share to satisfy tax obligations tied to RSU vesting.

Is this a direct or joint filing for UNF?

It is a Form filed by One Reporting Person with Direct (D) ownership.