William Masters Ross - 16 Dec 2025 Form 4 Insider Report for UNIFIRST CORP (UNF)

Reporting relationship: Executive Vice President
Issuer ticker: UNF
Reported as of: 16 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Dec 2025, 20:08:51 UTC
Prior SEC filing: 04 Nov 2025
Next SEC filing: 10 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ John Dowd, Attorney-in-Fact

Key filing fact

William Masters Ross filed Form 4 for UNIFIRST CORP (UNF) on 18 Dec 2025.

Key facts

This page summarizes William Masters Ross's Form 4 filing for UNIFIRST CORP (UNF).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 Dec 2025, 20:08.

Change

Previous filing in this sequence was filed on 04 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001688445 Primary reporting owner

Ross William Masters

Relationship: Executive Vice President
Address: C/O UNIFIRST CORP, 68 JONSPIN ROAD, WILMINGTON
Signature: /s/ John Dowd, Attorney-in-Fact
Signature date: 18 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

UNF transaction

Common Stock

Award

Transaction value: $0
Shares: +1,292
Change %: +35%
Price: $0.000000
Shares after: 4,977
Date: 16 Dec 2025
Ownership: Direct
Footnotes: F1, F2, F3

UNF holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 65
Date: 16 Dec 2025
Ownership: By IRA

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

UNF transaction Derivative

Stock Appreciation Right

Award

Transaction value: $0
Shares: +1,235
Change %
Price: $0.000000
Shares after: 1,235
Date: 16 Dec 2025
Ownership: Direct
Underlying class: Common Stock ($0.10 par value)
Underlying amount: 1,235
Exercise price: $174.20
Footnotes: F2, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Represents restricted stock units granted under the UniFirst Corporation 2023 Stock Option and Incentive Plan (the "2023 Plan"). Such restricted stock units vest in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028.

Footnote F2

These are annual grants for fiscal 2026.

Footnote F3

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, 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, 1,292 restricted stock units that vest in three remaining equal annual installments on October 31, 2026, October 31, 2027, and October 31, 2028 and 1,128 shares of Common Stock owned by the reporting person.

Footnote F4

This stock appreciation right, which was granted under the 2023 Plan, becomes vested and exercisable in three equal annual installments on October 31, 2026, October 31, 2027 and October 31, 2028. This stock appreciation right is required to be settled in stock at the time of exercise.