West Fraser Timber (NYSE: WFG) submits Q3 2025 results, MD&A and certifications

Rhea-AI Filing Summary

West Fraser Timber Co. Ltd. filed a Form 6-K as a foreign private issuer for October 2025, furnishing its third-quarter 2025 reporting package. The filing incorporates key exhibits into existing employee equity registration statements on Form S-8.

The exhibits include unaudited condensed consolidated financial statements and Management’s Discussion and Analysis for the three and nine months ended September 26, 2025, CEO and CFO interim certifications, and an October 22, 2025 news release announcing third quarter 2025 results.

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 October 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): ☐

The information contained in Exhibits 99.1 and 99.2 of this Form 6-K is incorporated by reference into the Registrant’s registration statements on Form S-8: File Nos. 333-257254 and 333-252631.

EXHIBIT INDEX

Exhibit			Description
99.1			Unaudited Condensed Consolidated Financial Statements for the three and nine months ended September 26, 2025 and September 27, 2024
99.2			Management's Discussion and Analysis for the three and nine months ended September 26, 2025
99.3			CEO - Certification of Interim Filings
99.4			CFO - Certification of Interim Filings
99.5			News release dated October 22, 2025 re: West Fraser Announces Third Quarter 2025 Results

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: October 22, 2025

WEST FRASER TIMBER CO. LTD.

/s/ Christopher A. Virostek

Christopher A. Virostek
Executive Vice-President and Chief Financial Officer

FAQ

What is the purpose of West Fraser Timber (WFG) filing this October 2025 Form 6-K?

West Fraser Timber filed this Form 6-K to furnish its third quarter 2025 reporting package as a foreign private issuer. The filing delivers investors unaudited financial statements, management’s discussion and analysis, executive certifications, and a news release announcing the company’s third quarter 2025 results.

Which periods do West Fraser Timber (WFG)’s unaudited financial statements in Exhibit 99.1 cover?

Exhibit 99.1 provides unaudited condensed consolidated financial statements for the three and nine months ended September 26, 2025 and September 27, 2024. This lets readers compare West Fraser’s recent quarterly and year-to-date performance with the same periods in the prior year.

What information is included in West Fraser Timber (WFG)’s MD&A filed with this Form 6-K?

Exhibit 99.2 contains Management’s Discussion and Analysis for the three and nine months ended September 26, 2025. This narrative section explains West Fraser’s operating results, financial condition, and key factors affecting performance over the quarter and year-to-date period referenced in the filing.

How does this Form 6-K relate to West Fraser Timber (WFG)’s Form S-8 registrations?

The company states that Exhibits 99.1 and 99.2 are incorporated by reference into its Form S-8 registration statements, File Nos. 333-257254 and 333-252631. This links the latest financial and MD&A disclosures directly to registered employee equity compensation plans.

Which executive signed West Fraser Timber (WFG)’s October 22, 2025 Form 6-K submission?

The Form 6-K was signed on October 22, 2025 by Christopher A. Virostek, Executive Vice-President and Chief Financial Officer. His signature confirms the company’s authorization of the filing and accompanies separate CEO and CFO certifications of the interim filings as exhibits.

What additional documents accompany West Fraser Timber (WFG)’s Q3 2025 Form 6-K?

Alongside financials and MD&A, the filing includes CEO and CFO certifications of interim filings (Exhibits 99.3 and 99.4) and an October 22, 2025 news release announcing third quarter 2025 results (Exhibit 99.5). These exhibits round out the company’s Q3 disclosure package.