| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cook Anne Marie | Chief Legal Off. & Corp. Sec. | C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK | /s/ Anne Marie Cook | 24 Jun 2025 | 0001320559 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | PHAT | No securities are beneficially owned. | 0 | 23 Jun 2025 | Direct |