Protagonist Therapeutics's three largest insider shareholders as of April 17, 2026 are Dinesh V Ph D Patel (President And Ceo, 524.94K shares), Suneel Gupta (Chief Development Officer, 267.43K shares), David Y Liu (Chief Rd Strategy Officer, 167.59K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Dinesh V Ph D Patel | President And Ceo | 524,938 | 0 | 25 Mar, 2026 |
| Suneel Gupta | Chief Development Officer | 267,433 | 0 | 27 Nov, 2024 |
| David Y Liu | Chief Rd Strategy Officer | 167,590 | 0 | 17 Nov, 2022 |
| Arturo Md Molina | Chief Medical Officer | 84,115 | 0 | 27 Mar, 2026 |
| Asif Ali | Chief Financial Officer | 60,753 | 0 | 27 Mar, 2026 |
| Donald A. Kalkofen | Chief Financial Officer | 18,521 | 0 | 17 Feb, 2022 |
| Bryan Giraudo | - | 17,825 | 0 | 06 Jan, 2026 |
| Sarah A O'Dowd | - | 7,825 | 0 | 06 Jan, 2026 |
| William D. Waddill | - | 7,825 | 0 | 06 Feb, 2026 |
| Lewis T Williams | - | 7,825 | 0 | 18 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 26 Mar, 2026 | Arturo Md Molina | Common Stock | A | 15,000 | $8.04 | 99,115 | D | M |
| 26 Mar, 2026 | Asif Ali | Common Stock | A | 19,500 | $19.19 | 80,253 | D | M |
| 26 Mar, 2026 | Arturo Md Molina | Common Stock | D | 15,000 | $104.79 | 84,115 | D | S |
| 26 Mar, 2026 | Asif Ali | Common Stock | A | 5,265 | $12.17 | 85,518 | D | M |
| 26 Mar, 2026 | Asif Ali | Common Stock | D | 24,765 | $104.24 | 60,753 | D | S |
| 26 Mar, 2026 | Arturo Md Molina | Stock Option (right to buy) | D | 15,000 | $0.00 | 50,971 | D | M |
| 26 Mar, 2026 | Asif Ali | Stock Option (right to buy) | D | 19,500 | $0.00 | 31,300 | D | M |
| 26 Mar, 2026 | Asif Ali | Stock Option (right to buy) | D | 5,265 | $0.00 | 13,282 | D | M |
| 23 Mar, 2026 | Dinesh V Ph D Patel | Common Stock | D | 50,000 | $0.00 | 524,938 | D | G |
| 24 Mar, 2026 | Dinesh V Ph D Patel | Common Stock | A | 59 | $8.58 | 524,997 | D | M |
| 24 Mar, 2026 | Dinesh V Ph D Patel | Common Stock | D | 59 | $101.00 | 524,938 | D | S |
| 25 Mar, 2026 | Dinesh V Ph D Patel | Common Stock | A | 54,641 | $8.58 | 579,579 | D | M |
| 25 Mar, 2026 | Dinesh V Ph D Patel | Common Stock | D | 54,641 | $101.00 | 524,938 | D | S |
| 24 Mar, 2026 | Dinesh V Ph D Patel | Stock Option (right to buy) | D | 59 | $0.00 | 54,641 | D | M |
| 25 Mar, 2026 | Dinesh V Ph D Patel | Stock Option (right to buy) | D | 54,641 | $0.00 | 0 | D | M |
| 17 Feb, 2026 | Lewis T Williams | Common Stock | A | 18,000 | $10.84 | 25,825 | D | M |
| 17 Feb, 2026 | Lewis T Williams | Common Stock | D | 18,000 | $82.42 | 7,825 | D | S |
| 17 Feb, 2026 | Lewis T Williams | Stock Option (right to buy) | A | 18,000 | $0.00 | 6,000 | D | M |
| 06 Feb, 2026 | William D. Waddill | Common Stock | A | 20,000 | $8.31 | 27,825 | D | M |
| 06 Feb, 2026 | William D. Waddill | Common Stock | D | 20,000 | $83.68 | 7,825 | D | S |