West Fraser (WFG) updates investors on OSB capacity reduction via Form 6-K
Rhea-AI Filing Summary
West Fraser Timber Co. Ltd., a foreign private issuer, furnished a Form 6-K for December 2025 that attaches a news release dated December 4, 2025 titled “West Fraser Reduces OSB Capacity.” The filing signals that the company is formally informing investors about a reduction in its oriented strand board (OSB) production capacity through this news release.
Positive
- None.
Negative
- None.
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 December 2025
Commission File Number: 001-39974
WEST FRASER TIMBER CO. LTD.
(Exact name of Registrant, as specified in its charter)
1500 - 885 West Georgia Street
Vancouver, British Columbia
Canada, V6C 3E8
Tel: (604) 895-2700
(Address and Telephone Number of Registrant’s Principal Executive Offices)
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 ☒
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐
EXHIBIT INDEX
| Exhibit | Description | |
| 99.1 | News release dated December 4, 2025 re: West Fraser Reduces OSB Capacity |
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.
| Date: December 4, 2025 |
| WEST FRASER TIMBER CO. LTD. |
| /s/ Christopher A. Virostek |
| Christopher A. Virostek Executive Vice-President and Chief Financial Officer |