6-K

UNITED STATES

SECURITIES AND EXCHANGECOMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATEISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGEACT OF 1934

For the month of June 2025

Commission File Number: 001-39301

LION GROUP HOLDING LTD.

Not Applicable

(Translation of registrant’s name into English)

Cayman Islands

**(**Jurisdiction of incorporation or organization)

10 Ubi Crescent, #06-51(Office 12), Ubi Techpark

Singapore 408574, LobbyC

(Address of principal executive office)

Registrant’s phone number, including area code

+65 8877 3871

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 ☐

On June 27, 2025, Lion Group Holding Ltd. (the “Company”) announced that it would change its business address and mailing address to 10 Ubi Crescent, #06-51 (Office 12), Ubi Techpark, Singapore 408574, Lobby C, effective June 23, 2025 (“Change of Address”).

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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.

Date: June 27, 2025

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