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 April 2025

Commission File Number: 001-42568

EPSIUM ENTERPRISE LIMITED

c/o Companhia de Comércio Luz Limitada

Alameda Dr. Carlos D’assumpcao

Edf China Civil Plaza 235-243, 14 Andar P

Macau, SAR China

+853-2857-5252

(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 ☐

EPSIUM ENTERPRISE LIMITED (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”), dated March 25, 2025, with D. Boral Capital LLC, as the representative of the underwriters listed on Schedule 1 thereto, with respect to the initial public offering of 1,250,000 ordinary shares, par value $0.00002 per share, of the Company (the “Ordinary Shares”) at an offering price of $4.00 per share (the “Public Offering Price”).

Pursuant to the Underwriting Agreement, the Company also granted the representative an option to purchase up to 187,500 Ordinary Shares at the Public Offering Price, less the underwriting discount, to cover over-allotments (the “Over-Allotment Option”).

On April 16, 2025, the underwriter fully exercised the Over-Allotment Option to purchase an additional 187,500 Ordinary Shares. The Company received $682,500 in net proceeds from the exercise of the Over-Allotment Option, after deducting underwriting discounts and other estimated expenses payable by the Company. The closing of the Over-Allotment Option took place on April 17, 2025.

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.