Form 4 Filing for Coherus Oncology, Inc.

This filing details a Form 4 submission for Coherus Oncology, Inc. (CHRS) by reporting owner Ryan Michael Lee, who holds a director position. On June 5, 2026, Mr. Lee acquired 30,000 shares of Common Stock through restricted stock units (RSUs) that vest on the one-year anniversary of June 3, 2026, subject to continued service. Additionally, he was granted stock options to purchase 60,000 shares of Common Stock, exercisable at $1.45 per share. These options vest on June 3, 2027, also contingent upon continued service. Both the RSUs and stock options are reported as direct ownership. The filing was signed on June 9, 2026, by Michael Lee Ryan, acting as attorney-in-fact.