| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Parikh Asit | Director | C/O PHATHOM PHARMACEUTICALS, INC., 100 CAMPUS DRIVE, SUITE 102, FLORHAM PARK | /s/ Anne Marie Cook, Attorney-in-Fact for Asit Parikh | 27 Jan 2026 | 0001796787 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PHAT | Common Stock | Gift | $0 | -80,500 | -61% | $0.000000 | 50,500 | 23 Jan 2026 | Direct | |
| transaction | PHAT | Common Stock | Gift | $0 | +80,500 | $0.000000 | 80,500 | 23 Jan 2026 | by Trust | F1, F2 |
| Id | Content |
|---|---|
| F1 | Reflects shares transferred for no consideration to a trust for the benefit of the Reporting Person's spouse and for which the Reporting Person serves as trustee. |
| F2 | The shares are subject to a lock-up agreement entered into by the Reporting Person in connection with the underwriting agreement dated January 7, 2026 (the Lock-Up Agreement). The trust has agreed in writing to be bound by the same terms described in the Lock-Up Agreement to the extent and for the duration that such terms remain in effect at the time of the transfer. |