UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 or 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of August, 2025

Commission file number: 001-32635

BIRKS GROUP INC.

(Translation of Registrant’s name into English)

2020 Robert-Bourassa Blvd.

Suite 200

Montreal, Québec

Canada

H3A 2A5

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

☒ Form 20-F ☐ Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

CONTENTS

The following document of the Registrant is submitted herewith:

99.1 Management Proxy Circular and Proxy Card


99.1		Annual Report 2025

99.2		Report Under the Fighting Against Forced Labour and Child Labour in Supply Chains Act for the fiscal year ended March 29, 2025

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

Exhibit Number		Description
Exhibit 99.1		~~Management~~Annual ~~Proxy~~Report ~~Circular and Proxy Card.~~2025
Exhibit 99.2		Report Under the Fighting Against Forced Labour and Child Labour in Supply Chains Act for the fiscal year ended March 29, 2025

BIRKS GROUP INC.

(Registrant)

/s/ Miranda Melfi

Miranda Melfi

Date: August 27, 2025

Vice President, Human Resources, Chief Legal Officer and Corporate Secretary

Date: August 29, 2025

Vice President, Human Resources, Chief Legal Officer and Corporate Secretary

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