| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Zago Wagner M. | Chief Scientific Officer | C/O PROTHENA BIOSCIENCES INC, 1800 SIERRA POINT PARKWAY, BRISBANE | /s/ Michael J. Malecek, as Attorney-in-Fact for Wagner M. Zago | 30 Jul 2025 | 0001708681 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PRTA | Ordinary Shares, par value $0.01 per share | Award | $0 | +85,000 | $0.000000 | 85,000 | 28 Jul 2025 | Direct |