SEC Form 6-K filed by Bit Origin Limited

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 June 2025

Commission File Number: 001-38857

27F, Samsung Hub

3 Church Street Singapore 049483

T: 347-556-4747

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

On June 26, 2025, BIT ORIGIN LTD, an exempted company incorporated in the Cayman Islands (the “Company”), established a wholly-owned subsidiary, BIT ORIGIN PTE. LTD. (“BIT ORIGIN Singapore”), a private limited company incorporated in Singapore. The Company directly holds 100% of the issued and outstanding shares of BIT ORIGIN Singapore. BIT ORIGIN Singapore is intended to serve as a holding vehicle for future fundraising activities and investments in the cryptocurrency sector. 

This report on Form 6-K is incorporated by reference into the Company’s Registration Statement on Form F-3 initially filed with the Securities and Exchange Commission on November 21, 2022 (Registration No. 333-268501), as amended, and the Company’s Registration Statement on Form F-3 initially filed with the Securities and Exchange Commission on November 16, 2023 (Registration No. 333-275602), as amended, the Company’s Registration Statement on Form F-3 initially filed with the Securities and Exchange Commission on August 13, 2024 (Registration No. 333-281518).

SIGNATURE

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.