Osisko Gold Group files articles of amendment

Osisko Gold Group Inc., a foreign private issuer based in Toronto, furnished a Form 6-K for July 2026.

Rhea-AI Filing Summary

Osisko Gold Group Inc., a foreign private issuer based in Toronto, furnished a Form 6-K for July 2026. The report includes as Exhibit 99.1 a Certificate and Articles of Amendment dated July 14, 2026, documenting a formal amendment to the company’s corporate charter documents.

Filing Explained

The July 16 Form 6-K furnishes a July 14 certificate and articles amendment; the company’s July 15 announcement says it completed the name change from Osisko Development to Osisko Gold Group Inc., changing the issuer’s corporate name rather than disclosing a financing or ownership change.

Sources and calculations

• Osisko Gold Group Inc. Form 6-K (2026-07-16)
• Osisko Gold Completes Name Change from Osisko Development (2026-07-15)

Key Figures

Commission File Number: 001-41369 Articles of Amendment Date: July 14, 2026 Form 6-K Signature Date: July 16, 2026

3 metrics

Commission File Number 001-41369 SEC commission file number for Osisko Gold Group Inc.

Articles of Amendment Date July 14, 2026 Date on the Certificate and Articles of Amendment filed as Exhibit 99.1

Form 6-K Signature Date July 16, 2026 Date the report was signed by the General Counsel and Vice President, Strategic Development

Key Terms

foreign private issuer, Form 6-K, Form 40-F, Articles of Amendment

4 terms

foreign private issuer regulatory

"Form 6-K report of a foreign private issuer pursuant Rule 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Form 6-K regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER"

A Form 6-K is a report that companies listed in certain countries file to provide important updates, such as financial results, corporate changes, or other significant information, to regulators and investors. It functions like an official company update or news release, helping investors stay informed about developments that could affect their investment decisions.

Form 40-F regulatory

"Form 20-F Form 40-F x"

A Form 40-F is a standardized annual filing used by certain Canadian companies that trade in U.S. markets to give U.S. regulators and investors the same core financial statements and key disclosures they file in Canada. Think of it as a translated, formally packaged annual report that lets investors in a different marketplace compare a company’s results, governance and risks more easily, which reduces uncertainty and helps investment decisions.

Articles of Amendment regulatory

"Certificate and Articles of Amendment, dated July 14, 2026"

Articles of amendment are official documents a corporation files with the government to record changes to its foundational details, such as its name, share structure, authorized capital, or bylaws. Think of them like updating a company’s recipe or blueprint so everyone knows the new ingredients and rules; investors use them to track structural shifts that can affect ownership, voting power, dilution risk, or a company’s strategic flexibility.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Osisko Gold Group Inc. (ODV) report in its July 2026 Form 6-K?

Osisko Gold Group Inc. reports that it has filed a Certificate and Articles of Amendment dated July 14, 2026 as Exhibit 99.1 to its July 2026 Form 6-K as a foreign private issuer.

What is included as Exhibit 99.1 in Osisko Gold Group (ODV)'s July 2026 submission?

Exhibit 99.1 consists of a Certificate and Articles of Amendment dated July 14, 2026. This exhibit evidences a formal amendment to Osisko Gold Group Inc.’s governing corporate documents.

When was Osisko Gold Group Inc. (ODV)'s Form 6-K signed and by whom?

The Form 6-K was signed on July 16, 2026 by Laurence Farmer, who serves as General Counsel and Vice President, Strategic Development of Osisko Gold Group Inc.

Under which annual reporting framework does Osisko Gold Group Inc. (ODV) file?

Osisko Gold Group Inc. indicates that it files annual reports under cover of Form 40-F, consistent with its status as a foreign private issuer, rather than using Form 20-F.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/16/2026 - 04:28 PM Accepted by SEC EDGAR 07/16/2026 - 04:27 PM Learn about SEC filing dates

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: 001-41369

Osisko Gold Group Inc.

(Translation of registrant’s name into English)

155 University Avenue, Suite 1450 Toronto, Ontario, M5H 3B7, Canada

(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 x

EXHIBIT INDEX

Exhibit
99.1		Certificate and Articles of Amendment, dated July 14, 2026

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.

	Osisko Gold Group Inc.
	(Registrant)
Date: July 16, 2026	/s/ Laurence Farmer
	Laurence Farmer
	General Counsel and Vice President, Strategic Development

Exhibit 99.1

Certificate of Amendment Canada Business Corporations Act Loi canadienne sur les sociétés par actions Certificat de modification Osisko Gold Group Inc. Groupe Aurifère Osisko Inc. 1252807-0 Corporate name / Dénomination sociale Corporation number / Numéro de société Hantz Prosper Date of amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ) Director / Directeur 2026-07-14 I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attached articles of amendment. JE CERTIFIE que les statuts de la société susmentionnée sont modifiés aux termes de l'article 178 de la Loi canadienne sur les sociétés par actions, tel qu'il est indiqué dans les clauses modificatrices ci-jointes.

Form 4 Canada Business Corporations Act (CBCA) (s. 27 or 177) Formulaire 4 Loi canadienne sur les sociétés par actions (LCSA) (art. 27 ou 177) Articles of Amendment Clauses modificatrices Corporate name Dénomination sociale 1 Osisko Development Corp. Osisko Développement Corp. Corporation number Numéro de la société 2 1252807-0 The articles are amended as follows Les statuts sont modifiés de la façon suivante 3 The corporation changes its name to: La dénomination sociale est modifiée pour : Osisko Gold Group Inc. Groupe Aurifère Osisko Inc. ON The corporation changes the province or territory in Canada where the registered office is situated to: La province ou le territoire au Canada où est situé le siège social est modifié pour : Misrepresentation constitutes an offence and, on summary conviction, a person is liable to a fine not exceeding $5000 or to imprisonment for a term not exceeding six months or both (subsection 250 (1) of the CBCA). Faire une fausse déclaration constitue une infraction et son auteur, sur déclaration de culpabilité par procédure sommaire, est passible d’une amende maximale de 5 000 $ et d’un emprisonnement maximal de six mois, ou l’une de ces peines (paragraphe 250(1) de la LCSA). You are providing information required by the CBCA. Note that both the CBCA and the Privacy Act allow this information to be disclosed to the public. It will be stored in personal information bank number IC/PPU-049. Vous fournissez des renseignements exigés par la LCSA. Il est à noter que la LCSA et la Loi sur les renseignements personnels permettent que de tels renseignements soient divulgués au public. Ils seront stockés dans la banque de renseignements personnels numéro IC/PPU-049. Laurence Farmer 514-607-6045 Laurence Farmer Original signed by / Original signé par 4 Declaration: I certify that I am a director or an officer of the corporation. Déclaration : J’atteste que je suis un administrateur ou un dirigeant de la société. IC 3069 (2008/04)

Form 3 Canada Business Corporations Act (CBCA) (s. 19) Formulaire 3 Loi canadienne sur les sociétés par actions (LCSA) (art. 19) Changement d’adresse du siège social Change of Registered Office Address Received Date (YYYY-MM-DD): Date de réception (AAAA-MM-JJ):2026-07-14 4 Corporate name New registered office address Additional address 1 2 3 Osisko Gold Group Inc. Groupe Aurifère Osisko Inc. Dénomination sociale Nouvelle adresse du siège social Autre adresse Corporation number Numéro de la société 1252807-0 155 University Avenue Suite 1450 Toronto ON M5H 3B7 5 Declaration: I certify that I have relevant knowledge of the corporation and that I am authorized to sign this form. Laurence Farmer 514-607-6045 Déclaration : J'atteste que je possède une connaissance suffisante de la société et que je suis autorisé(e) à signer le présent formulaire. Misrepresentation constitutes an offence and, on summary conviction, a person is liable to a fine not exceeding $5000 or to imprisonment for a term not exceeding six months or both (subsection 250(1) of the CBCA). Faire une fausse déclaration constitue une infraction et son auteur, sur déclaration de culpabilité par procédure sommaire, est passible d’une amende maximale de 5 000 $ et d’un emprisonnement maximal de six mois, ou l’une de ces peines (paragraphe 250(1) de la LCSA). You are providing information required by the CBCA. Note that both the CBCA and the Privacy Act allow this information to be disclosed to the public. It will be stored in personal information bank number IC/PPU-049. Vous fournissez des renseignements exigés par la LCSA. Il est à noter que la LCSA et la Loi sur les renseignements personnels permettent que de tels renseignements soient divulgués au public. Ils seront stockés dans la banque de renseignements personnels numéro IC/PPU-049. IC 3420 (2008/04) Original signed by / Original signé par Laurence Farmer

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 7.8 KB