Dinesh V. Ph D. Patel
President and CEO at Protagonist Therapeutics Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Protagonist Therapeutics Inc., 3 years.
Protagonist Therapeutics Inc.
Director · President and CEO
Chief executive roles
Protagonist Therapeutics Inc.
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 10, 2026 | Protagonist Therapeutics Inc. | Option exercise | +7,278 | $21.58 | $157,059 |
| Sep 10, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −7,278 | $144.10 | $1,048,760 |
| Sep 9, 2026 | Protagonist Therapeutics Inc. | Option exercise | +63,548 | $21.58 | $1,371,366 |
| Sep 9, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −63,548 | $146.18 | $9,289,447 |
| Sep 8, 2026 | Protagonist Therapeutics Inc. | Option exercise | +54,174 | $21.58 | $1,169,075 |
| Sep 8, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −54,174 | $145.87 | $7,902,361 |
| Sep 3, 2026 | Protagonist Therapeutics Inc. | Gift | −510 | — | — |
| Aug 11, 2026 | Protagonist Therapeutics Inc. | Option exercise | +34,239 | $21.58 | $738,878 |
| Aug 11, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −34,239 | $148.52 | $5,085,176 |
| Aug 10, 2026 | Protagonist Therapeutics Inc. | Option exercise | +65,761 | $21.58 | $1,419,122 |
| Aug 10, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −65,761 | $149.11 | $9,805,623 |
| May 12, 2026 | Protagonist Therapeutics Inc. | Option exercise | +75,000 | $21.58 | $1,618,500 |
| May 12, 2026 | Protagonist Therapeutics Inc. | Open-market sale | −75,000 | $100.12 | $7,509,000 |
| Apr 23, 2026 | Protagonist Therapeutics Inc. | Gift | −1,460 | — | — |
| Mar 25, 2026 | Protagonist Therapeutics Inc. | Option exercise | +54,641 | $8.58 | $468,820 |
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