Osisko Development (ODV) receives C$24.9M from Appian warrant exercise

Rhea-AI Filing Summary

Osisko Development Corp. reported that it has received approximately C$24.9 million in cash from the exercise of 5,625,031 common share purchase warrants held by funds advised by Appian Capital Advisory Limited. Each warrant had an exercise price of C$4.43 per common share.

The warrants were originally issued to Appian on July 21, 2025, in connection with a senior secured project loan credit facility totaling US$450 million. This facility supports development and construction of Osisko Development’s fully permitted, 100%-owned Cariboo Gold Project in central British Columbia, Canada.

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: 001-41369

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 March 9, 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: March 9, 2026		/s/ Alexander Dann
		Alexander Dann
		Chief Financial Officer and VP Finance

EXHIBIT 99.1

Osisko Development Announces Proceeds of $24.9 Million From Warrant Exercise

MONTREAL, March 09, 2026 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") announces that it has received approximately C$24.9 million from the exercise of 5,625,031 common share purchase warrants of the Company (the "Warrants") held by funds advised by Appian Capital Advisory Limited ("Appian").

The Warrants were originally issued to Appian with an exercise price of C$4.43 per common share on July 21, 2025, in connection with the senior secured project loan credit facility totaling US$450 million for the development and construction of the Company's fully permitted, 100%-owned Cariboo Gold Project located in central British Columbia, Canada.

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

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 (ODV) announce in its March 2026 Form 6-K?

Osisko Development announced it received approximately C$24.9 million from the exercise of 5,625,031 share purchase warrants. The warrants were held by funds advised by Appian Capital Advisory Limited and exercised at C$4.43 per common share.

How much cash did Osisko Development (ODV) receive from the warrant exercise?

Osisko Development received approximately C$24.9 million in cash from warrant exercises. This amount came from 5,625,031 common share purchase warrants exercised at an exercise price of C$4.43 per common share by funds advised by Appian.

How many warrants were exercised in Osisko Development’s March 2026 update?

A total of 5,625,031 common share purchase warrants were exercised. These warrants, held by funds advised by Appian, had an exercise price of C$4.43 per share and generated approximately C$24.9 million in proceeds for Osisko Development.

Who held the warrants exercised in Osisko Development (ODV)’s announcement?

The exercised warrants were held by funds advised by Appian Capital Advisory Limited. These funds exercised 5,625,031 common share purchase warrants at C$4.43 per share, providing Osisko Development with approximately C$24.9 million in proceeds.

What is the link between the warrants and Osisko Development’s Cariboo Gold Project?

The warrants were originally issued to Appian in connection with a US$450 million senior secured project loan credit facility. This facility is for the development and construction of Osisko Development’s fully permitted, 100%-owned Cariboo Gold Project in British Columbia.

What type of company is Osisko Development (ODV) and what is its main project?

Osisko Development is a North American gold development company focused on past producing mining camps. Its flagship asset is the fully permitted, 100%-owned Cariboo Gold Project in central British Columbia, supported by a US$450 million project loan credit facility.

Filing Exhibits & Attachments

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Press Releases

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