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 July, 2025

Commission file number: 001-32635

BIRKS GROUP INC.

(Translation of Registrant’s name into English)

2020 Robert Bourassa

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

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

On July 8, 2025, further to its June 9, 2025 announcement, Birks Group Inc. (the “Company”) issued a press release announcing the completion of an acquisition and related debt financing amendments. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information included in this Form 6-K shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act other than this Form 6-K, except as shall be expressly set forth by specific reference in such filing to this Form 6-K.

The inclusion of any website address herein, including in any exhibit attached hereto, is intended to be an inactive textual reference only and not an active hyperlink. The information contained in, or that can be accessed through, each such website is not part of this Form 6-K or incorporated herein.

EXHIBIT INDEX

Exhibit Number	Description
Exhibit 99.1	Press release dated July 8, 2025

SIGNATURE

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.

	BIRKS GROUP INC.
	(Registrant)
	By:	/s/ Katia Fontana
		Katia Fontana
Date: June 8, 2025		Vice President and Chief Financial Officer