WEYERHAEUSER CO 8-K

What Happened
Weyerhaeuser Company announced on March 26, 2026 that it posted presentation materials to the Investors section of its website that it expects to use in discussions with the investment community. The presentation is furnished with the Form 8‑K as Exhibit 99.1.

Key Details

• Date filed: March 26, 2026.
• Presentation posted to Weyerhaeuser’s Investors webpage and furnished as Exhibit 99.1 to the Form 8‑K.
• The filing includes an interactive cover page data file (Exhibit 104).
• Per General Instruction B.2 of Form 8‑K, the information (including Exhibit 99.1) is furnished, not “filed,” and is not subject to Section 18 liability or automatically incorporated by reference into other filings.

Why It Matters
This is a Regulation FD disclosure ensuring that investor presentation materials used in outreach to analysts and investors are publicly available. Retail investors can review the posted presentation for the company’s current messaging to the market. The filing also notes the legal limits on how the furnished materials may be treated in other SEC filings (i.e., they are furnished, not filed).