AAUC 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 July 2026

Commission File Number 001-42672

ALLIED GOLD CORPORATION

(Exact name of Registrant as specified in its charter)

N/A

(Translation of Registrant’s name into English)

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

UPDATE TO CORPORATE GOVERNANCE POLICIES

ALLIED GOLD’S COMMITMENT TO BEST PRACTICES IN CORPORATE GOVERNANCE

GENDER DIVERSITY POLICY

DATED: JULY 30, 2026

As our shareholders are aware, Allied Gold was engaged from the beginning of 2026 in a transaction that has recently terminated. In that half-year period, it was initially determined that a shareholder meeting would not be required given the expectation of a closing of the transaction beforehand. Moreover, it was not possible to engage in meaningful discussions relating to augmentation, refreshment and diversity of the board. Allied Gold is now reengaging in its corporate governance review on these matters and is hereby making a commitment to nominate no less than 20% women to the Board of Directors at the 2027 annual meeting of shareholders, which is expected before mid-year in 2027, and no less than 30% at the 2028 annual meeting of shareholders.