6-K

UNITEDSTATES

SECURITIESAND EXCHANGE COMMISSION

WASHINGTON,D.C. 20549

FORM6-K

REPORTOF FOREIGN PRIVATE ISSUER

PURSUANTTO RULE 13a-16 OR 15d-16

UNDERTHE SECURITIES EXCHANGE ACT OF 1934

Forthe month of April 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 ☐

Successfulclose of Uni-Fuels 3M USD Commercial Paper Series 004 (UFU314) by Uni-Fuels’ wholly-owned subsidiary

Uni-Fuels Pte. Ltd., a Singapore subsidiary that is wholly owned by Uni-Fuels Holdings Limited, announced on April 20, 2026, that the offering of its Series 004 has closed on April 17, 2026, at 6 p.m. (Singapore time) and it has successfully raised US$3 million in gross proceeds from the issuance of the Series 004 tokens. The Series 004 tokens were listed on the ADDX Exchange on April 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.