Osisko Development (NYSE: ODV) adds VP for sustainable development

Rhea-AI Filing Summary

Osisko Development Corp. has appointed Mr. Greg Perrins as Vice President, Sustainable Development, effective May 18, 2026. He brings over 15 years of Indigenous relations and natural resource sector experience in British Columbia, including senior roles at BC Hydro and with several provincial ministries.

The company describes itself as a North American gold development business focused on past-producing mining camps. Its main objective is to advance its fully permitted, 100%-owned Cariboo Gold Project in central British Columbia, supported by additional potential from the Tintic Project in Utah.

Key Figures

Appointment effective date: May 18, 2026 Industry experience: Over 15 years Cariboo ownership: 100%-owned

3 metrics

Appointment effective date May 18, 2026 Effective date of Vice President, Sustainable Development role

Industry experience Over 15 years Greg Perrins’ leadership experience in BC natural resource sector

Cariboo ownership 100%-owned Ownership level of Cariboo Gold Project in British Columbia

Key Terms

forward-looking statements, fully permitted, district-scale potential, brownfield property, +1 more

5 terms

forward-looking statements regulatory

"This news release contains "forward-looking information" ... and "forward-looking statements""

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

fully permitted financial

"its flagship, fully permitted, 100%-owned Cariboo Gold Project"

district-scale potential financial

"focused on past producing mining camps with district-scale potential"

brownfield property financial

"a brownfield property with significant exploration potential"

mining-friendly jurisdictions financial

"developing long-life mining assets in mining-friendly jurisdictions"

Form 6-K: How Foreign Companies Report to the SEC →

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 May 2026

Commission File Number: 001-41369

Osisko Development Corp.
(Translation of registrant's name into English)

1100 Avenue des Canadiens-de-Montréal, Suite 300, Montréal, Quebec H3B 2S2
(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 Number		Description
99.1		Press Release dated May 19, 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 Development Corp.
		(Registrant)
Date: May 19, 2026		/s/ Alexander Dann
		Alexander Dann
		Chief Financial Officer and VP Finance

EXHIBIT 99.1

Osisko Development Appoints Vice President, Sustainable Development

MONTREAL, May 19, 2026 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") is pleased to announce the appointment of Mr. Greg Perrins as Vice President, Sustainable Development, effective May 18, 2026.

"We are pleased to welcome Greg to the Osisko Development team, where his deep knowledge of and experience in Indigenous relations and public sector engagement in BC will further strengthen our approach to sustainable project development," stated Sean Roosen, Chairman and CEO.

Mr. Perrins is an Indigenous relations professional with over 15 years of experience in leadership roles across the natural resource sector in British Columbia. Most recently, he served as Senior Manager, Indigenous Relations at BC Hydro, a fully integrated public utility, where he supported engagement and relationship-building initiatives with Indigenous Nations across the province. Prior to his role at BC Hydro, Mr. Perrins spent the majority of his career working for the Province of British Columbia, including roles with the Ministry of Energy, Mines and Low Carbon Innovation, the Ministry of Indigenous Relations and Reconciliation, and the BC Oil and Gas Commission. Mr. Perrins holds a Master of Public Administration degree from the University of Victoria, a Bachelor of Social Work degree from Dalhousie University, and a Bachelor of Arts degree from the University of Regina.

ABOUT OSISKO DEVELOPMENT CORP.

Osisko Development Corp. is a continental North American gold development company focused on past producing mining camps with district-scale potential. The Company's objective is to become an intermediate gold producer through the development of its flagship, fully permitted, 100%-owned Cariboo Gold Project, located in central British Columbia, Canada. Its project pipeline is complemented by the Tintic Project located in the historic East Tintic mining district in Utah, U.S.A., a brownfield property with significant exploration potential, extensive historical mining data, and access to established infrastructure. Osisko Development is focused on developing long-life mining assets in mining-friendly jurisdictions while maintaining a disciplined approach to capital allocation, development risk management, and mineral inventory growth.

For further information, contact:

Sean Roosen	Philip Rabenok
Chairman and CEO	Vice President, Investor Relations
Email: sroosen@osiskodev.com	Email: prabenok@osiskodev.com
Tel: +1 (514) 940-0685	Tel: +1 (437) 423-3644

CAUTION REGARDING FORWARD-LOOKING STATEMENTS

This news release contains "forward-looking information" (within the meaning of applicable Canadian securities laws) and "forward-looking statements" (within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, as amended) (collectively, "forward-looking statements"). Such forward-looking statements are identified with words such as "may", "will", "would", "could", "anticipate", "believe", "expect", "plan", "intend", "potential", "estimate", "propose", "project", "outlook", "foresee", "objective", "strategy", variants of these words or the negative or comparable terminology, as well as terms usually used in the future and the conditional. Information contained in forward-looking statements is based upon certain material assumptions that were applied in drawing a conclusion or making a forecast or projection, including the assumptions, qualifications, limitations or statements pertaining to: the ability to develop the Cariboo Gold Project and its status as being fully permitted; the exploration potential and prospectivity (if any) of its properties. Such forward-looking statements are based on a number of risks, uncertainties and assumptions which may cause actual results or other expectations to differ materially from those anticipated and which may prove to be incorrect. These assumptions include, but are not limited to: the absence of further work stoppages or suspensions at the Project; favourable regulatory conditions and approvals; the ability to maintain adequate personnel and contractor levels; the absence of unforeseen ground conditions or other geological challenges; the availability of necessary equipment, supplies and infrastructure; and general economic and market conditions. Actual results could differ materially due to a number of factors, including, without limitation: risks related to the exploration, development and operation of the Cariboo Gold Project; health, safety and security incidents; regulatory delays or changes in regulatory framework and applicable laws; labour shortages or disputes; general economic and market conditions and business conditions in the mining industry; fluctuations in commodity and currency exchange rates; changes in regulatory framework and applicable laws, as well as those risks and factors disclosed in the Company's most recent annual information form, financial statements and management's discussion and analysis as well as other public filings on SEDAR+ (www.sedarplus.ca) and on EDGAR (www.sec.gov). Although the Company believes the expectations conveyed by the forward-looking statements are reasonable based on information available as of the date hereof, no assurances can be given as to future results, levels of activity and achievements. The Company disclaims any obligation to update any forward-looking statements, whether as a result of new information, future events or results or otherwise, except as required by law. Forward-looking statements are not guarantees of performance and there can be no assurance that these forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.

FAQ

What did Osisko Development Corp. (ODV) announce in this Form 6-K?

Osisko Development announced the appointment of Greg Perrins as Vice President, Sustainable Development, effective May 18, 2026. The filing also reiterates its focus on advancing the fully permitted, 100%-owned Cariboo Gold Project and the Tintic Project within mining-friendly North American jurisdictions.

Who is Greg Perrins and what experience does he bring to Osisko Development (ODV)?

Greg Perrins is an Indigenous relations professional with over 15 years of leadership experience in British Columbia’s natural resource sector. He previously served as Senior Manager, Indigenous Relations at BC Hydro and held roles in several provincial ministries and the BC Oil and Gas Commission.

What role will Greg Perrins have at Osisko Development Corp.?

Greg Perrins has been appointed Vice President, Sustainable Development at Osisko Development. The company highlights his deep knowledge of Indigenous relations and public sector engagement in British Columbia as reinforcing its approach to sustainable project development across its key mining projects.

What is Osisko Development Corp.’s main gold project?

Osisko Development’s flagship asset is the Cariboo Gold Project in central British Columbia, Canada. The company states this project is fully permitted and 100%-owned, and its objective is to become an intermediate gold producer through the development of this past-producing, district-scale mining camp.

What other project does Osisko Development (ODV) mention besides Cariboo?

In addition to Cariboo, Osisko Development mentions the Tintic Project in Utah, U.S.A. It describes Tintic as a brownfield property in the historic East Tintic mining district, with significant exploration potential, extensive historical mining data, and access to established infrastructure.

How does Osisko Development describe its overall strategy?

Osisko Development describes itself as a North American gold development company focused on past producing mining camps with district-scale potential. It emphasizes developing long-life mining assets in mining-friendly jurisdictions while maintaining disciplined capital allocation, development risk management, and mineral inventory growth.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 PRESS RELEASE 8.2 KB