Protagonist Therapeutics, Inc (PTGX) has 65 open-market insider trades by 18 insiders since 2016. Over the last six months insiders net sold $13.6M. The most active filer is Dinesh V. Ph D. Patel, CEO & President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Dinesh V. Ph D. Patel | CEOPres | — | 15 | $37.4M | 2026-09-03 |
| Asif Ali | CFO | — | 9 | $12.2M | 2026-09-30 |
| Suneel Gupta | — | — | 2 | $11.4M | 2024-11-26 |
| Arturo Molina M.D. | — | — | 9 | $11.1M | 2026-03-26 |
| Julie Papanek | Dir | — | 1 | $7.0M | 2016-08-16 |
| Armen Shanafelt | Dir10% Owner | — | 1 | $7.0M | 2016-08-16 |
| & Johnson Johnson | 10% | — | 1 | $7.0M | 2016-08-16 |
| Canaan Partners X LLC | 10% Owner | — | 5 | $6.4M | 2018-05-17 |
| Bryan Giraudo | Dir | — | 3 | $6.0M | 2026-05-08 |
| Harold E. Selick | Dir | — | 2 | $2.6M | 2026-03-26 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Asif Ali | CFO | Sell | $8.3M | 2026-09-30 |
| LV Management Group, LLC | CEO & President | Sell | $18.2M | 2026-09-08 |
| Dinesh V. Ph D. Patel | CEO & President | Sell | $14.9M | 2026-08-10 |
| William D. Waddill | Director | Sell | $1.1M | 2026-06-23 |
| William D. Waddill | Director | Sell | $969K | 2026-06-10 |
| William D. Waddill | Director | Sell | $897K |
Companies that share insiders with PTGX, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-05-29 |
| Dinesh V. Ph D. Patel | CEO & President | Sell | $7.5M | 2026-05-12 |
| Bryan Giraudo | Director | Sell | $5.9M | 2026-05-07 |
| Asif Ali | CFO | Sell | $185K | 2026-04-20 |
| Asif Ali | CFO | Sell | $2.6M | 2026-03-26 |
| Arturo Molina M.D. | — | Sell | $1.6M | 2026-03-26 |
| Harold E. Selick | Director | Sell | $2.5M | 2026-03-26 |
| Dinesh V. Ph D. Patel | CEO & President | Sell | $5.5M | 2026-03-24 |
| Lewis T. Williams | Director | Sell | $1.5M | 2026-02-17 |
| William D. Waddill | Director | Sell | $1.7M | 2026-02-06 |