FIBROGEN INC 8-K

What Happened

• FibroGen, Inc. filed a Certificate of Amendment with the Delaware Secretary of State (filed Dec 29, 2025) to change its name to Kyntra Bio, Inc., effective at 4:30 p.m. Eastern Time on January 7, 2026. The company’s Bylaws were amended at the same time solely to update the corporate name.
• The company issued a press release on January 7, 2026 announcing the name change. The common stock will begin trading under the new ticker symbol "KYNB" at the market open on January 8, 2026; the CUSIP (31572Q881) remains unchanged.

Key Details

• Certificate of Amendment filed: December 29, 2025; effective: January 7, 2026 at 4:30 p.m. ET.
• Press release announcing the change dated January 7, 2026 (filed as Exhibit 99.1).
• Trading symbol change: from "FGEN" to "KYNB" effective at market open on January 8, 2026.
• CUSIP number remains 31572Q881 (no change to the security identifier).

Why It Matters

• For investors, the change affects how the stock is quoted and searched (new ticker KYNB) but does not alter the underlying security (CUSIP unchanged).
• Operationally, investors, brokers and recordkeepers may need to update watchlists, trading instructions and alerts to reflect the new ticker to avoid missed trades or reporting confusion.
• The filing indicates a name and branding change only; no other corporate actions, financial results or leadership changes were disclosed in this 8‑K.