Phathom Pharmaceuticals, Inc.
PHAT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001783183
No open-market purchases or sales by Phathom Pharmaceuticals, Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $782.1M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Phathom Pharmaceuticals, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Phathom Pharmaceuticals, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Breedlove Robert Charles | Principal Accounting Officer | 59,465 | Sep 8, 2026 | 6 |
| Parikh Asit | Director | 148,500Indirect | May 27, 2026 | 6 |
| Fields Heidi | Director | 54,122 | May 21, 2026 | 1 |
| Cola Michael F | Director | 63,920 | May 21, 2026 | 1 |
| Karbe Frank | Director | 91,622 | May 21, 2026 | 1 |
| Topper James N | Director, 10% Owner | 66,718 | May 21, 2026 | 1 |
| Schroeder Theodore R | Director | 45,122 | May 21, 2026 | 1 |
| Stenhouse Mark | Director | 54,122 | May 21, 2026 | 1 |
| Cook Anne Marie | Chief Legal Off. & Corp. Sec. | 88,660 | Feb 12, 2026 | 3 |
| Basta Steven L | President and CEO | 373,315 | Feb 12, 2026 | 4 |
| Narula Sanjeev | Chief Financial & Bus. Officer | 226,715 | Jan 2, 2026 | 2 |
| Henderson Molly | CFO and CBO | 89,868 | Apr 8, 2025 | 0 |
| Curran Terrie | President and Chief Executive | 360,465 | Mar 3, 2025 | 0 |
| Nabulsi Azmi | Chief Operating Officer | 312,590 | Mar 3, 2025 | 0 |
| Socks David A | Director | 19,500 | May 24, 2024 | 0 |
| Takeda Pharmaceutical Co Ltd | 10% Owner | 3,755,583 | Jan 25, 2024 | 0 |
| Guzzo Anthony J. | VP, Chief Accounting Officer | 8,399 | Jan 21, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 5, 2025 (view filing) | Nov 3 | 2 days | Breedlove Robert CharlesPrincipal Accounting Officer | SSale | −524 | $13.51 | −$7.08K | −1.1%47.4K after |