UFG 6-K/A

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

WASHINGTON,D.C. 20549

FORM6-K/A

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

Forthe month of March 2026

Uni-FuelsHoldings Limited

15Beach Road, Beach Centre #05-07

Singapore189677

(Address,including zip code, and telephone number, including area code, of Registrant’s principal executive offices)

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 ☐

EXPLANATORYNOTE

This amendment to the Current Report on Form 6-K/A (“Form 6-K/A”) is being filed to amend the Current Report on Form 6-K initially filed by Uni-Fuels Holdings Limited (the “Company”) with the U.S. Securities and Exchange Commission on January 20, 2026 (the “Original Form 6-K”). The Company is filing this Form 6-K/A solely to correct a typographical error in the date information of the closing, and the corrected date is as set forth below and should replace that in the Original Form 6-K in its entirety.

Successfulclose of Uni-Fuels 3M USD Commercial Paper Series 003 (UFU313) by Uni-Fuels’ wholly-owned subsidiary

Uni-Fuels Pte. Ltd., a Singapore subsidiary that is wholly owned by Uni-Fuels Holdings Limited, announced on January 17, 2026 that the offering of its Series 003 has closed and it has successfully raised US$3 million in gross proceeds from the issuance of the Series 003 tokens. The Series 003 tokens will be listed on the ADDX Exchange on January 18, 2026.

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.