6-K

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 March 2026

Commission File Number 001-42672

ALLIED GOLD CORPORATION

(Exact name of Registrant as specified in itscharter)

N/A

(Translation of Registrant’s name intoEnglish)

Royal Bank Plaza, North Tower

200 Bay Street, Suite 2200

Toronto, Ontario

M5J 2J3

Tel: 1-833-363-4435

(Address of 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 x

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

Exhibit 99.1

Special Meeting of Shareholders ofAllied Gold Corporation (the “Company”)

March 31, 2026

REPORT OF VOTING RESULTS

National Instrument 51-102 -Continuous Disclosure Obligations (“NI 51-102”)

Section 11.3

In accordance with section 11.3 of NI 51-102 and following the special meeting of shareholders of the Company held on March 31, 2026 (the “Meeting”), we hereby advise of the following voting results as tabulated by the scrutineers for the Meeting. The matter considered at the Meeting is described in greater detail in the management information circular of the Company dated February 25, 2026 (the “Circular”), which is available under the Company’s issuer profile on SEDAR+ at www.sedarplus.ca and on EDGAR at www.sec.gov.

Arrangement Resolution

Based on proxies received and a vote conducted by ballot at the Meeting, the special resolution (the “Arrangement Resolution”) was approved by the shareholders of the Company. The full text of the Arrangement Resolution is included as Schedule A to the Circular, approving the arrangement under section 182 of the Business Corporations Act (Ontario), pursuant to the arrangement agreement between the Company and Zijin Gold International Company Limited dated January 26, 2026, as amended from time to time, as more particularly described in the Circular. The final voting results of the poll taken on the Arrangement Resolution are set forth below: