[Form 4] UNIFIRST CORP Insider Trading Activity

Rhea-AI Filing Summary

UniFirst (UNF): An Executive VP, Sales/Marketing reported multiple transactions on 11/03/2025. The insider exercised stock appreciation rights for 1,297 and 1,233 shares (codes M), then disposed of 1,289 and 1,232 shares for tax withholding (code F) at $154.35 and $156.50. Small open-market sales of 8 shares at $155.11 and 1 share at $156.50 (code S) were made pursuant to a Rule 10b5-1(c) plan adopted on July 30, 2025. Following these moves, beneficial ownership stood at 6,059 shares, including restricted stock units vesting through 2028.

Insights

Insider transactions analyst

Routine Form 4 with SAR exercises, tax withholdings, minor sales.

The filing lists two stock appreciation right exercises (1,297 and 1,233 shares) and related share dispositions for tax withholding at prices of $154.35 and $156.50. It also records small sales of 8 and 1 share, with one price at $155.11 and one at $156.50, executed under a Rule 10b5-1(c) plan adopted on July 30, 2025.

After these transactions, the insider reported beneficial ownership of 6,059 shares, which the footnotes state includes restricted stock units with vesting dates on October 31, 2026, October 31, 2027, and October 31, 2028. This is a routine administrative update; actual impact depends on holder decisions and future vesting.

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).

X

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)
11/03/2025

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	11/03/2025		M		1,297	A	$0	7,356	D
Common Stock	11/03/2025		F		1,289	D	$154.35	6,067	D
Common Stock	11/03/2025		S		8(1)	D	$155.11	6,059	D
Common Stock	11/03/2025		M		1,233	A	$0	7,292	D
Common Stock	11/03/2025		F		1,232	D	$156.5	6,060	D
Common Stock	11/03/2025		S		1(1)	D	$156.5	6,059(2)	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
Stock Appreciation Right	$156.05	11/03/2025		M			1,233	10/23/2022	10/23/2027	Common Stock ($0.10 par value)	1,233	$0	0	D
Stock Appreciation Right	$152.38	11/03/2025		M			1,297	10/22/2023	10/22/2028	Common Stock ($0.10 par value)	1,297	$0	0	D

Explanation of Responses:

1. Represents shares sold pursuant to a trading plan intended to comply with Rule 10b5-1(c) and adopted on July 30, 2025.

2. 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	11/05/2025
	** 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 UniFirst (UNF) insider report on Form 4?

An Executive VP reported SAR exercises of 1,297 and 1,233 shares, tax-related dispositions, and small sales on 11/03/2025.

Were the UniFirst (UNF) sales under a 10b5-1 plan?

Yes. Sales were made under a Rule 10b5-1(c) trading plan adopted on July 30, 2025.

What prices were reported in the UniFirst (UNF) transactions?

Tax withholdings occurred at $154.35 and $156.50; small sales were reported at $155.11 and $156.50.

How many UniFirst (UNF) shares does the insider own after the transactions?

Beneficial ownership was reported as 6,059 shares following the transactions.

What derivative securities did the UniFirst (UNF) insider exercise?

Two stock appreciation rights were exercised, tied to 1,297 shares at $152.38 and 1,233 shares at $156.05.

What RSU vesting schedule is disclosed for the UniFirst (UNF) insider?

RSUs vest on Oct 31, 2026; Oct 31, 2026 & 2027; and Oct 31, 2026–2028, per the footnotes.