6-K

Osisko Development Corp. (ODV)

6-K 2026-02-20 For: 2026-02-20
View Original
Added on April 05, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TORULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2026

Commission File Number: 001-41369

Osisko Development Corp.

(Translation of registrant’s name into English)

1100 Avenue des Canadiens-de-Montréal,Suite 300

(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 Confirmation of Notice of Record and Meeting Dates

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: February 20, 2026 /s/ Alexander Dann
Alexander Dann
Chief Financial Officer and VP Finance

Exhibit 99.1

TSXTRUST COMPANY

VIA ELECTRONIC TRANSMISSION

February 20, 2026

TO ALL APPLICABLE EXCHANGESAND COMMISSIONS:

RE: OSISKO DEVELOPMENT CORP.
Confirmation of Notice of Record and Meeting Dates

We are pleased to confirm that the Notice of Record and Meeting Dates was sent to The Canadian Depository for Securities.

We advise the following with respect to the upcoming Annual and Special Meeting of Security Holders for the subject issuer:

1 ISIN: CA68828E8099
CUSIP: 68828E809
2 Date Fixed for the Meeting: May 14,<br> 2026
3 Record Date for Notice: March<br> 20, 2026
4 Record Date for Voting: March<br> 20, 2026
5 Beneficial Ownership Determination Date: March<br> 20, 2026
6 Classes or Series of Securities that entitle the holder<br> to receive Notice of the Meeting: COMMON<br> SHARES
7 Classes or Series of Securities that entitle the holder<br> to vote at the meeting: COMMON<br> SHARES
8 Business to be conducted at the meeting: Annual<br> and Special
9 Notice-and-Access:
Registered Shareholders: YES
Beneficial Holders: YES
Stratification Level: Not Applicable
10 Reporting issuer is sending proxy-related materials<br> directly to Non-Objecting Beneficial Owners: YES
11 Issuer paying for delivery to Objecting Beneficial<br> Owners: YES

Yours truly,

TSXTrust Company

VANCOUVER CALGARY TORONTO MONTRÉAL
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