| 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 | 05 Nov 2025 | 0002066645 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PHAT | Common Stock | Sale | $7,079 | -524 | -1.1% | $13.51 | 47,407 | 03 Nov 2025 | Direct | F1 |
| holding | PHAT | Common Stock | 6,945 | 03 Nov 2025 | By 401(k) |
| Id | Content |
|---|---|
| F1 | Represents shares sold to satisfy tax withholding obligations upon the settlement of restricted stock units. |