X0206 3 2023-05-16 0 0001906324 QuidelOrtho Corp QDEL 0001978061 Brandy Louise 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 0 1 0 0 SVP, Chief Information Officer Common Stock 473 D Non-Qualified Stock Options 92.40 2032-02-14 Common Stock 3732 D Non-Qualified Stock Options 92.74 2032-06-01 Common Stock 3592 D Restricted Stock Units Common Stock 1420 D Restricted Stock Units Common Stock 1860 D 1,866 shares will vest on February 14, 2024, 933 shares will vest on February 14, 2025 and 933 shares will vest on February 14, 2026. 1,197 shares will vest on June 1, 2023, 1,197 shares will vest on June 1, 2024, and 1,198 shares will vest on June 1, 2025. 473 shares will vest on February 14, 2024, 473 shares will vest on February 14, 2025, and 474 shares will vest on February 14, 2026. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. 620 shares will vest on June 1, 2023, 620 shares will vest on June 1, 2024, and 620 shares will vest on June 1, 2025. /s/ Euna Greene, attorney-in-fact for Louise Brandy 2023-05-25