🕵️ Phathom Pharmaceuticals, Inc. ($PHAT)
SEC insider & ownership activity, last 12 months · CIK 1783183 · every row links its SEC filing
Over the last 12 months insiders sold $13K with no open-market buying against it. Breedlove Robert Charles sold $13K in discretionary trades (Sep–Nov). Frazier Life Sciences Public Fund, L.P. added 6.0% → 7.5%; Fhmlsp, L.P. added 6.0% → 7.5%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $13K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Breedlove Robert Charles | 0 | – | 2 | $13K | Nov 3, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| James N. Topper | 8.6% | 13D | Nov 1, 2025 | filing ↗ | |
| Patrick J. Heron | 8.4% | 13D | Nov 1, 2025 | filing ↗ | |
| Frazier Life Sciences IX, L.P. | 8.2% | 13D | Nov 1, 2025 | filing ↗ | |
| Fhmls IX, L.P. | 8.2% | 13D | Nov 1, 2025 | filing ↗ | |
| Fhmls IX, L.L.C. | 8.2% | 13D | Nov 1, 2025 | filing ↗ | |
| Frazier Life Sciences Public Fund, L.P. | 7.5% | 13D | Nov 1, 2025 | filing ↗ | |
| Fhmlsp, L.P. | 7.5% | 13D | Nov 1, 2025 | filing ↗ | |
| Fhmlsp, L.L.C. | 7.5% | 13D | Nov 1, 2025 | filing ↗ | |
| Blackrock, Inc. | 5.5% | 13G | Jul 29, 2026 | filing ↗ | |
| Millennium Management LLC | exited | 13G | Jul 20, 2026 | filing ↗ | |
| Millennium Group Management LLC | exited | 13G | Jul 20, 2026 | filing ↗ | |
| Israel A. Englander | exited | 13G | Jul 20, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jun 23, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 19, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Jan 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 7, 2026 | filing ↗ |
| Earnings (2.02) | Jan 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 7, 2026 | filing ↗ |
| Other events (8.01) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Other events (8.01) | Oct 25, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 2, 2025 | filing ↗ |
| Earnings (2.02) | Aug 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 7, 2025 | filing ↗ |