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 December 2025

Commission File Number: 001-39734

Oriental Culture Holding LTD.

Room 1310, Tower B, Harbour View Building
Eastern District, Hong Kong

(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 ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

On December 11, 2025, Oriental Culture Holding Ltd., a Cayman Island exempted company (the “Company”) entered into a sales agreement (the “Sales Agreement”) with A.G.P./Alliance Global Partners (the “Agent”), with respect to an at the market offering program, under which the Company may, from time to time in its sole discretion, issue and sell through the Agent, acting as sales agent or principal, up to $200 million of ordinary shares of the Company, par value $0.00025 per share (the “Ordinary Shares”) as disclosed in the Form 6-K filed by the Company on December 11, 2025.

As of December 17, 2025, the Company has sold 60,626,916 Ordinary Shares of the Company in the at the market transactions under Sales Agreement.

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.