| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Breedlove Robert Charles | Principal Accounting Officer | C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK | /s/ Robert Charles Breedlove | 09 Sep 2025 | 0002066645 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PHAT | Common Stock | Sale | $5,573 | -461 | -0.95% | $12.09 | 47,931 | 05 Sep 2025 | Direct | F1 |
| holding | PHAT | Common Stock | 6,945 | 05 Sep 2025 | By 401(k) |
| Id | Content |
|---|---|
| F1 | Represents shares sold to satisfy tax withholding obligations upon the settlement of restricted stock units. |