Company: PHAT
Filing Date: 2025-03-06
Form Type: S-8
Source: 0001193125-25-048546
Chunk: 2

Company: Phathom Pharmaceuticals, Inc.
Filing Date: 2025-03-06
Form: S-8
Chunk 2
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, as amended (the “Exchange Act”), on October 16, 2019, including any amendments or reports filed for the purpose of updating such description. |

In addition, all documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to the filing of this registration statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which de-registersall securities then remaining unsold shall be deemed to be incorporated by reference into this registration statement and to be a part hereof from the date of filing such documents, except as to specific sections of such statements as set forth therein. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this registration statement to the extent that a statement contained herein or in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference herein modifies or supersedes such statement. Any statement contained herein shall be deemed to be modified or superseded for purposes of this registration statement to the extent that a statement contained in any subsequently filed document which also is incorporated or deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this registration statement.

Under no circumstances shall any information furnished under Item 2.02 or 7.01 of Form 8-Kbe deemed incorporated herein by reference unless such Form 8-Kexpressly provides to the contrary. Item 8. Exhibits.

| Exhibit 
 Number  |                     |                                                                                                                                                 |      | Incorporated by Reference |          |            |         |      |             |            |     | Filed    
 Herewith |
|         | Exhibit Description |                                                                                                                                                 | Form |                           | File No. |            | Exhibit |      | Filing Date |            |     |          |
| 3.1     |                     | Amended and Restated Certificate of Incorporation                                                                                               |      | 8-K                       |          | 001-39094  |         |  3.1 |             | 10/29/2019 |     |          |
| 3.2     |                     | Certificate of Amendment to Amended and Restated Certificate of Incorporation, as filed with the Secretary of State of Delaware on May 26, 2023 |      | 8