X0206 3 2024-10-07 0 0001906324 QuidelOrtho Corp QDEL 0002040321 Siegrist Jonathan Philip 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 false true false false EVP of R&D & CTO No securities beneficially owned 0 D Restricted Stock Units Common Stock 55970 D 55,970 restricted stock units were granted on October 15, 2024. 18,656 shares will vest on October 15, 2025; the remaining 37,314 shares will vest in equal installments on October 15, 2026 and October 15, 2027. Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. Exhibit 24.1 - Power of Attorney /s/ Jennifer Ahn, attorney-in-fact for Jonathan P. Siegrist 2024-10-17