X0202 SCHEDULE 13G/A 0002109159-26-000001 0002109159 XXXXXXXX LIVE 1 Common Stock, par value $0.0001 per share 02/05/2026 0001512762 Coherus Oncology, Inc. 19249H103 C/O DENNIS M. LANFEAR C/O DENNIS M. LANFEAR REDWOOD CITY CA 94065 Rule 13d-1(d) Timothy G. Youngquist 2020 Irrevocable Trust The percentage reported is based on 154,217,609 shares of the Issuer's common stock outstanding as of April 16, 2026, as reported in the Issuer's Definitive Proxy Statement on Schedule 14A filed with the Securities and Exchange Commission on April 20, 2026. The shares reported herein are held by the Timothy G. Youngquist 2020 Irrevocable Trust, dated 2020, as amended and/or restated (the "Trust"), of which Trista Kragh is a trustee. Includes 500,000 shares of common stock underlying call options that constitute a right to acquire shares within 60 days for purposes of Rule 13d-3. For purposes of calculating the Reporting Person's percentage of class, such underlying shares are deemed outstanding. Coherus Oncology, Inc. C/O DENNIS M. LANFEAR, C/O DENNIS M. LANFEAR, REDWOOD CITY, CALIFORNIA, 94065. Timothy G. Youngquist 2020 Irrevocable Trust 15581 Pine Ridge Road Fort Myers, Fl 33908 USA Y 12,790,800 8.267% 12,790,800 0 12,790,800 0 Y N Timothy G. Youngquist 2020 Irrevocable Trust Y N Trust Y Y Timothy G. Youngquist 2020 Irrevocable Trust Nolan Rheam 05/11/2026