6-K
Osisko Development Corp. (ODV)
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 |
|---|---|---|---|
| 733 Seymour Street, | Telus Sky Building | 301 - 100 Adelaide Street West | 1701 - 1190, avenue des |
| Suite #2310 | 2110, 685 Centre Street SW | Toronto ON M5H 4H1 | Canadiens-de-Montréal, C. P. 37 |
| Vancouver, BC V6B 0S6 | Calgary Alberta T2G 1S5 | Toll Free 1-866-600-5869 | Montréal (Québec) H3B 0G7 |
| T 604 689-3334 | T 403 218-2800 | T 416 361-0930 | T 514 395-5964 |