| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PATEL DINESH V PH D | President and CEO, Director | C/O PROTAGONIST THERAPEUTICS, INC., 7707 GATEWAY BLVD., SUITE 140, NEWARK | /s/ Matthew Gosling, Attorney-in-Fact for Dinesh V. Patel, Ph.D. | 21 Jan 2026 | 0001120477 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PTGX | Common Stock | Sale | $2,840,446 | -34,438 | -5.6% | $82.48 | 580,505 | 20 Jan 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Sale of shares to cover tax withholding obligation incurred upon settlement of restricted stock units. |