List of insiders holdings for Phathom Pharmaceuticals Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Frazier Life Sciences IX L.P. FHMLS IX L.P. FHMLS IX L.L.C. Topper James N Heron Patrick J 10% Owner | 2022-09-26 16:00:00 | 8,424,772 0 | 8,424,772 | Form 13D |
| 2 | Medicxi Ventures Management (Jersey) Ltd Medicxi Growth I GP Ltd Medicxi Growth I LP Medicxi Growth Co-Invest I LP Medicxi IV GP Ltd Medicxi IV LP Medicxi Co-Invest IV LP 10% Owner | 2024-01-26 16:35:59 | 0 7,464,572 | 7,464,572 | Form 3 |
| 3 | Topper James N Director 10% Owner | 2026-05-21 16:30:16 | 66,718 5,890,731 | 5,957,449 | Form 4 |
| 4 | TAKEDA PHARMACEUTICAL CO LTD 10% Owner | 2024-04-10 06:10:27 | 2,790,480 0 | 2,790,480 | Form 13D |
| 5 | Socks David A Director | 2024-05-24 19:14:30 | 37,000 1,211,756 | 1,248,756 | Form 4 |
| 6 | Nabulsi Azmi Chief Operating Officer | 2025-03-03 17:13:45 | 367,590 789,279 | 1,156,869 | Form 4 |
| 7 | Kohli Aditya Chief Business Officer | 2019-10-24 21:18:57 | 843,352 0 | 843,352 | Form 3 |
| 8 | Basta Steven L President and CEO | 2026-02-12 16:34:07 | 373,315 0 | 373,315 | Form 4 |
| 9 | Curran Terrie President and Chief Executive | 2025-03-03 17:16:33 | 342,500 0 | 342,500 | Form 4 |
| 10 | Narula Sanjeev Chief Financial & Bus. Officer | 2026-01-02 17:42:34 | 269,563 0 | 269,563 | Form 4 |
| 11 | Parikh Asit Director | 2026-05-27 16:30:15 | 24,122 148,500 | 172,622 | Form 4 |
| 12 | Henderson Molly CFO and CBO | 2025-04-08 17:01:33 | 89,868 1,911 | 91,779 | Form 4 |
| 13 | KARBE FRANK Director | 2026-05-21 16:30:05 | 91,622 0 | 91,622 | Form 4 |
| 14 | Cook Anne Marie Chief Legal Off. & Corp. Sec. | 2026-02-12 16:36:29 | 88,660 0 | 88,660 | Form 4 |
| 15 | Breedlove Robert Charles Principal Accounting Officer | 2026-03-03 17:11:25 | 61,480 6,945 | 68,425 | Form 4 |
| 16 | COLA MICHAEL F Director | 2026-05-21 16:30:08 | 63,920 0 | 63,920 | Form 4 |
| 17 | Branning Todd P. Chief Financial Officer | 2021-01-29 16:28:28 | 60,000 0 | 60,000 | Form 4 |
| 18 | FIELDS HEIDI Director | 2026-05-21 16:30:10 | 54,122 0 | 54,122 | Form 4 |
| 19 | Stenhouse Mark Director | 2026-05-21 16:30:11 | 54,122 0 | 54,122 | Form 4 |
| 20 | Edwards Jonathan S. Director | 2019-10-30 17:05:58 | 0 47,984 | 47,984 | Form 4 |
| 21 | Schroeder Theodore R Director | 2026-05-21 16:30:04 | 45,122 0 | 45,122 | Form 4 |
| 22 | Guzzo Anthony J. VP, Chief Accounting Officer | 2022-01-21 18:49:43 | 38,399 463.55 | 38,863 | Form 4 |
| 23 | Yamada Tadataka Director | 2022-02-10 16:16:05 | 0 0 | 0 | Form 13G |
| 24 | RA CAPITAL MANAGEMENT L.P. RA Capital Healthcare Fund LP Kolchinsky Peter Shah Rajeev M. 10% Owner | 2022-05-16 16:32:51 | 0 0 | 0 | Form 13G |
| 25 | Slavinsky Christopher W. Director | 2019-10-24 21:25:00 | 0 0 | 0 | Form 3 |