Company: PHAT
Filing Date: 2025-05-13
Form Type: SCHEDULE 13D/A
Source: 0001415889-25-012779
Chunk: 4

Company: Phathom Pharmaceuticals, Inc.
Filing Date: 2025-05-13
Form: SCHEDULE 13D/A
Chunk 4
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 1.7 % |
| 14                                                                 |                                                                                   IN |

Comment for Type of Reporting Person: The shares listed in rows 8, 10 and 11 consist of (i) 950,465 shares of Common Stock held directly by Frazier Life Sciences XI, L.P., (ii) 11,085 shares of Common Stock issuable to Frazier Life Sciences XI, L.P. pursuant to pre-funded warrants exercisable within 60 days of May 9, 2025 and (iii) 223,986 shares of Common Stock held directly by Frazier Life Sciences XII, L.P. FHMLS XI, L.P. is the general partner of by Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XI, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XI, L.P. FHMLS XII, L.P. is the general partner of Frazier Life Sciences XII, L.P. and FHMLS XII, L.L.C. is the general partner of FHMLS XII, L.P. Patrick J. Heron, James N. Topper and Daniel Estes are the members of FHMLS XII, L.L.C. and therefore share voting and investment power over the shares held by Frazier Life Sciences XII, L.P. The percentage listed in row 13 is calculated based the sum of (i) 69,814,121 shares of the Issuer's Common Stock outstanding as of April 29, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the SEC on May 1, 2025 and (ii) 11,085 shares of Common Stock issuable to Frazier Life Sciences XI, L.P. pursuant to pre-funded warrants exercisable within 60 days of May 9, 2025.

| SCHEDULE 13D |

| Item 1.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Security and Issuer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| (a)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | Common Stock, $0.0001 par value per share                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| (b)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |