| 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 | 10 Feb 2026 | 0001833942 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | QDEL | Common Stock | Award | $0 | +3,198 | +8.1% | $0.000000 | 42,753 | 08 Feb 2026 | Direct | F1 |
| transaction | QDEL | Common Stock | Tax liability | $33,407 | -1,148 | -2.7% | $29.10 | 41,605 | 08 Feb 2026 | Direct | F2 |
| 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 | -3,198 | -50% | $0.000000 | 3,198 | 08 Feb 2026 | Common Stock | 3,198 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | Reflects release of restricted stock units that were previously reported on a Form 4. |
| F2 | 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. |
| F3 | Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock. |
| F4 | 3,197 shares vested on February 8, 2025; 3,198 shares vested on February 8, 2026; and the remaining 3,198 shares will vest on February 8, 2027. |