X0609 4 2026-09-15 0 0001906324 QuidelOrtho Corp QDEL 0002036238 Bowman Ronald Lee false 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 0 1 0 0 Chief Human Resources Officer 0 Common Stock 2026-09-15 4 M 0 2566 0 A 5941 D Common Stock 2026-09-15 4 F 0 921 10.63 D 5020 D Restricted Stock Units 2026-09-15 4 M 0 2566 0 D Common Stock 2566 2566 D Reflects release of restricted stock units that were previously reported on a Form 4. Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release of restricted stock units. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. 2,565 shares vested on September 15, 2025; 2,566 shares vested on September 15, 2026; and the remaining 2,566 shares will vest on September 15, 2027. /s/ Euna Greene, attorney-in-fact for Ronald Lee Bowman 2026-09-17