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

of the Securities Exchange Act of 1934

For the month of December 2025

Commission File Number: 001-36000 

XTL Biopharmaceuticals Ltd. 

(Translation of registrant’s name into English)

26 Ben-Gurion St.

Ramat Gan,
5112001, Israel

(Address of principal executive offices)

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

Form 20-F ☒         Form 40-F ☐

On December 24, 2025, XTL Biopharmaceuticals Ltd. (the “Company”) issued a press release announcing that the Company has received a notification letter from The Listing Qualifications Department of The Nasdaq Stock Market LLC regarding a minimum bid price deficiency. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference.

EXHIBIT INDEX

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.

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