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 June 2025

____________________

Commission File Number: 000-56491

ALR Technologies SG Ltd.

(Translation of registrant’s name into English)

9 Raffles Place

#26-01 Republic Plaza

Singapore

Singapore 048619

(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): ☐

CONTENTS

On June 25, 2025, ALR Technologies SG Ltd. issued a press release, a copy of which is furnished as Exhibit 99.1 to this Report on Form 6-K and incorporated by reference herein.

Exhibit Number	Description of Exhibit
99.1	Press Release dated June 25, 2025, Announcing Completion of Definitive Manufacturing Agreement for GluCurve Pet CGM. The Definitive Manufacturing Agreement is subject to certain conditions as stated therein.

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.

Date: June 26, 2025

ALR Technologies SG Ltd.

By: s/ Sidney Chan

Name: Sidney Chan

Title: CEO

ALR Technologies SG Ltd. 6-K