Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2021-12-21 Sale | 2021-12-23 4:17 pm | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 15,000 | $32.14 | $482,171 | 477,158 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-05-31 Tax Withholding | 2023-06-02 7:51 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 4,150 | $26.07 | 148,037 (Direct) | View |
2023-05-31 Option Award | 2023-06-02 7:51 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 12,000 | $0 | 148,037 (Direct) | View |
2023-05-31 Tax Withholding | 2023-06-02 7:50 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 12,165 | $26.07 | 602,946 (Direct) | View |
2023-02-22 Gift | 2023-06-02 7:50 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 10,000 | $0 | 602,946 (Direct) | View |
2023-05-31 Option Award | 2023-06-02 7:50 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 30,000 | $0 | 602,946 (Direct) | View |
2023-05-31 Tax Withholding | 2023-06-02 7:48 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Ali Asif Chief Financial Officer | 4,150 | $26.07 | 31,036 (Direct) | View |
2023-05-31 Option Award | 2023-06-02 7:48 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Ali Asif Chief Financial Officer | 12,000 | $0 | 31,036 (Direct) | View |
2023-04-18 Tax Withholding | 2023-04-19 4:28 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Ali Asif Chief Financial Officer | 1,189 | $23.21 | 23,186 (Direct) | View |
2023-04-10 Exercise | 2023-04-11 7:18 pm | N/A 2023-09-26 | Protagonist Therapeutics Inc | PTGX | SELICK HAROLD E Director | 6,196 | $0 | 21,506 (Direct) | View |
2023-04-10 Exercise | 2023-04-11 7:18 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | SELICK HAROLD E Director | 6,196 | $0.87 | 21,506 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 8:13 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 8:10 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Williams Lewis T Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 8:07 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Waddill William D. Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 8:03 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Noonberg Sarah B. Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 8:00 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | O'Dowd Sarah A Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 7:58 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | SELICK HAROLD E Director | 30,000 | $0 | 30,000 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 7:56 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 144,375 | $0 | 261,937 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 7:53 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Ali Asif Chief Financial Officer | 74,375 | $0 | 88,125 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 7:51 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | MOLINA ARTURO MD Chief Medical Officer | 21,875 | $0 | 43,125 (Direct) | View |
2022-05-04 Gift | 2023-01-18 7:48 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 6,116 | $0 | 1,198,096 (Direct) | View |
2023-01-16 Option Award | 2023-01-18 7:48 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 600,000 | $0 | 1,198,096 (Direct) | View |
2022-11-16 Exercise | 2022-11-17 6:24 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief R&D Strategy Officer | 35,331 | $4.21 | 167,590 (Direct) | View |
2022-11-16 Exercise | 2022-11-17 6:24 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief R&D Strategy Officer | 35,656 | $1.16 | 167,590 (Direct) | View |
2022-11-16 Exercise | 2022-11-17 6:24 pm | N/A 2023-09-26 | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief R&D Strategy Officer | 100,479 | $0 | 167,590 (Direct) | View |
2022-11-16 Exercise | 2022-11-17 6:24 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief R&D Strategy Officer | 15,725 | $1.89 | 167,590 (Direct) | View |
2022-11-16 Exercise | 2022-11-17 6:24 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief R&D Strategy Officer | 13,767 | $0.87 | 167,590 (Direct) | View |
2022-11-15 Option Award | 2022-11-17 6:22 pm | N/A 2032-11-15 | Protagonist Therapeutics Inc | PTGX | MOLINA ARTURO MD Chief Medical Officer | 148,750 | $0 | 148,750 (Direct) | View |
2022-08-23 Exercise | 2022-08-24 6:15 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 20,000 | $4.21 | 664,048 (Direct) | View |
2022-08-23 Exercise | 2022-08-24 6:15 pm | N/A 2026-04-29 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 20,000 | $0 | 664,048 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:02 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | Waddill William D. Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:02 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | O'Dowd Sarah A Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:01 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | Noonberg Sarah B. Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:01 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | Williams Lewis T Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:00 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | SELICK HAROLD E Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-26 Option Award | 2022-05-27 4:00 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-05-03 Exercise | 2022-05-04 8:41 pm | N/A 2027-05-25 | Protagonist Therapeutics Inc | PTGX | Waddill William D. Director | 12,000 | $0 | 12,000 (Direct) | View |
2022-05-03 Exercise | 2022-05-04 8:41 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Waddill William D. Director | 12,000 | $8.59 | 12,000 (Direct) | View |
2022-05-04 Exercise | 2022-05-04 8:33 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 15,742 | $4.21 | 664,048 (Direct) | View |
2022-05-04 Exercise | 2022-05-04 8:33 pm | N/A 2026-04-29 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 15,742 | $0 | 664,048 (Direct) | View |
2022-04-26 Exercise | 2022-04-26 9:42 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 40,000 | $7.38 | 187,561 (Direct) | View |
2022-04-26 Exercise | 2022-04-26 9:42 pm | N/A 2029-01-14 | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 40,000 | $0 | 187,561 (Direct) | View |
2022-04-26 Exercise | 2022-04-26 9:34 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 30,000 | $4.21 | 664,048 (Direct) | View |
2022-04-26 Exercise | 2022-04-26 9:34 pm | N/A 2026-04-29 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 30,000 | $0 | 664,048 (Direct) | View |
2022-04-18 Option Award | 2022-04-19 7:48 pm | N/A 2032-04-18 | Protagonist Therapeutics Inc | PTGX | Ali Asif Chief Financial Officer | 96,250 | $0 | 96,250 (Direct) | View |
2022-04-14 Exercise | 2022-04-14 8:09 pm | N/A 2024-10-22 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO 10% Owner | 34,087 | $0 | 537,847 (Direct) | View |
2022-04-14 Exercise | 2022-04-14 8:09 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO 10% Owner | 34,087 | $1.89 | 537,847 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-02 8:40 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 649 | $24.28 | 77,007 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-02 8:39 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 4,648 | $24.28 | 503,760 (Direct) | View |
2022-02-28 Tax Withholding | 2022-03-02 8:38 pm | N/A N/A | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief Scientific Officer | 2,119 | $24.28 | 66,538 (Direct) | View |
2022-02-15 Option Award | 2022-02-17 7:26 pm | N/A 2032-02-14 | Protagonist Therapeutics Inc | PTGX | Kalkofen Donald A. Chief Financial Officer | 52,500 | $0 | 63,521 (Direct) | View |
2022-02-15 Option Award | 2022-02-17 7:25 pm | N/A 2032-02-14 | Protagonist Therapeutics Inc | PTGX | Liu David Y Chief Scientific Officer | 70,000 | $0 | 128,657 (Direct) | View |
2022-02-15 Option Award | 2022-02-17 7:24 pm | N/A 2032-02-14 | Protagonist Therapeutics Inc | PTGX | Gupta Suneel Chief Development Officer | 87,500 | $0 | 152,656 (Direct) | View |
2022-02-15 Option Award | 2022-02-17 7:23 pm | N/A 2032-02-14 | Protagonist Therapeutics Inc | PTGX | PATEL DINESH V PH D President and CEO | 218,750 | $0 | 695,908 (Direct) | View |