Annexon, Inc. 8-K

What Happened

• Annexon, Inc. (ANNX) filed a Form 8-K on January 14, 2026 (Regulation FD Disclosure) to report an updated corporate investor presentation reflecting certain business and strategic updates.
• The presentation may be used in upcoming meetings with analysts and investors, including at the 44th Annual J.P. Morgan Healthcare Conference, and is posted in the "Investors & Media" section of the company's website (ir.annexonbio.com).

Key Details

• Filing date: January 14, 2026.
• Presentation furnished as Exhibit 99.1 to the Form 8-K.
• The company noted its website content is available there but is not incorporated by reference into the Form 8-K.
• The filing contains a Regulation FD disclosure only; it does not report earnings, financial results, or other SEC-reportable changes.

Why It Matters

• Updated investor presentations can contain refreshed strategy, program or pipeline highlights that management plans to communicate directly to analysts and investors—reviewing the presentation can provide the latest company messaging.
• Because this is a Regulation FD disclosure, the update is intended to ensure broad public access to information the company will present; investors should check the posted slide deck for any material program or strategic points announced.