Matthew Croatti - 23 Oct 2026 Form 4 Insider Report for UNIFIRST CORP (UNF)

Reporting relationship: 10%+ Owner
Issuer ticker: UNF
Reported as of: 23 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Oct 2026, 16:50:55 UTC
Prior SEC filing: 18 Dec 2025
Next SEC filing: 03 Nov 2026
Source filing: View source filing
Reporting owner signature: /s/ John Dowd, Attorney-in-Fact

Filing notes and source

Key filing fact

Matthew Croatti filed Form 4 for UNIFIRST CORP (UNF) on 27 Oct 2026.

Key facts

This page summarizes Matthew Croatti's Form 4 filing for UNIFIRST CORP (UNF).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 27 Oct 2026, 16:50.

Change

Previous filing in this sequence was filed on 18 Dec 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 0001724534 Primary reporting owner

Croatti Matthew

Relationship: 10%+ Owner
Address: C/O UNIFIRST CORP, 68 JONSPIN ROAD, WILMINGTON
Signature: /s/ John Dowd, Attorney-in-Fact
Signature date: 27 Oct 2026

Reported non-derivative transactions

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

UNF transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,000
Change %: +9.2%
Price: $119.00^*
Shares after: 11,912
Date: 23 Oct 2026
Ownership: Direct
Footnotes: F1

UNF transaction

Common Stock

Tax liability

Transaction value
Shares: -669
Change %: -5.6%
Price: $281.29^*
Shares after: 11,243
Date: 23 Oct 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

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

UNF transaction Derivative

Stock Appreciation Rights

Options Exercise

Transaction value
Shares: -1,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 23 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,000
Exercise price: $119.00
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

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

Footnote 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.