| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hodges Michelle A | Chief Legal Officer | 9975 SUMMERS RIDGE ROAD, SAN DIEGO | /s/ Phillip S. Askim, attorney-in-fact for Michelle A. Hodges | 02 Feb 2026 | 0001833942 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | QDEL | Common Stock | Award | $0 | +7,836 | +24% | $0.000000 | 40,432 | 29 Jan 2026 | Direct | F1, F2 |
| transaction | QDEL | Common Stock | Tax liability | $84,204 | -3,072 | -7.6% | $27.41 | 37,360 | 29 Jan 2026 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | QDEL | Restricted Stock Units | Options Exercise | $0 | -7,836 | -33% | $0.000000 | 15,673 | 29 Jan 2026 | Common Stock | 7,836 | Direct | F4, F5 |
| Id | Content |
|---|---|
| F1 | Reflects release of restricted stock units that were previously reported on a Form 4. |
| F2 | The amount of shares beneficially owned following this transaction includes an additional 561 shares due to the Reporting Person's purchase of shares pursuant to the Issuer's Employee Stock Purchase Plan. |
| F3 | 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. |
| F4 | Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. |
| F5 | 7,836 shares vested on January 29, 2026; 7,836 shares will vest on January 29, 2027; and the remaining 7,837 shares will vest on January 29, 2028. |