Dinesh V. Patel, PhD, President and CEO of Protagonist Therapeutics (PTGX), sold shares on the open market nine times over the last year for a total of about $10.4 million. His most recent PTGX insider sale occurred on January 27, 2026. These transactions rank 1,094th among 11,678 insiders by sale value, above the average of $8.6 million and 6.4 sales per insider. Patel made no open market purchases in the past 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 24, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 59 | $8.58 | 524,997.0000 | 63,573,048 | 0.01% | 0.00% |
| March 24, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 59 | $101.00 | 524,938.0000 | 63,573,048 | 0.01% | 0.00% |
| March 25, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 54641 | $0.00 | 0.0000 | 63,573,048 | 100.00% | 0.09% |
| March 24, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 59 | $0.00 | 54,641.0000 | 63,573,048 | 0.11% | 0.00% |
| March 25, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 54641 | $101.00 | 524,938.0000 | 63,573,048 | 9.43% | 0.09% |
| March 25, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 54641 | $8.58 | 579,579.0000 | 63,573,048 | 10.41% | 0.09% |
| March 23, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 50000 | $0.00 | 524,938.0000 | 63,573,048 | 8.70% | 0.08% |
| Jan. 23, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 6000 | $0.00 | 574,505.0000 | 63,573,048 | 1.03% | 0.01% |
| Jan. 27, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 4068 | $0.00 | 300,000.0000 | 63,573,048 | 1.34% | 0.01% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 14205 | $0.00 | 304,068.0000 | 63,573,048 | 4.46% | 0.02% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 10685 | $0.00 | 0.0000 | 63,573,048 | 100.00% | 0.02% |
| Jan. 23, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 19315 | $0.00 | 10,685.0000 | 63,573,048 | 64.38% | 0.03% |
| Jan. 27, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 4068 | $83.19 | 574,505.0000 | 63,573,048 | 0.70% | 0.01% |
| Jan. 27, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 4068 | $21.58 | 578,573.0000 | 63,573,048 | 0.71% | 0.01% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 14205 | $84.05 | 574,505.0000 | 63,573,048 | 2.41% | 0.02% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 14205 | $21.58 | 588,710.0000 | 63,573,048 | 2.47% | 0.02% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 10685 | $84.00 | 574,505.0000 | 63,573,048 | 1.83% | 0.02% |
| Jan. 26, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 10685 | $4.21 | 585,190.0000 | 63,573,048 | 1.86% | 0.02% |
| Jan. 23, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 19315 | $84.59 | 574,505.0000 | 63,573,048 | 3.25% | 0.03% |
| Jan. 23, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 19315 | $4.21 | 593,820.0000 | 63,573,048 | 3.36% | 0.03% |
| Jan. 20, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 34438 | $82.48 | 580,505.0000 | 63,573,048 | 5.60% | 0.05% |
| Jan. 2, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Stock Option (right to buy) | 120200 | $0.00 | 120,200.0000 | 63,573,048 | 9999.99% | 0.19% |
| Jan. 2, 2026 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Common Stock | 95400 | $0.00 | 614,943.0000 | 63,573,048 | 18.36% | 0.15% |
| Nov. 21, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 440 | $0.00 | 519,543.0000 | 63,772,332 | 0.08% | 0.00% |
| Sept. 16, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 620 | $0.00 | 519,983.0000 | 63,510,537 | 0.12% | 0.00% |
| July 25, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 10415 | $54.78 | 520,603.0000 | 63,510,537 | 1.96% | 0.02% |
| July 21, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 12859 | $54.86 | 570,603.0000 | 63,510,537 | 2.20% | 0.02% |
| July 22, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 22065 | $55.05 | 548,538.0000 | 63,510,537 | 3.87% | 0.03% |
| July 23, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 17520 | $54.79 | 531,018.0000 | 63,510,537 | 3.19% | 0.03% |
| July 21, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Common Stock | 25000 | $0.00 | 583,462.0000 | 63,510,537 | 4.48% | 0.04% |
| July 16, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 5000 | $0.00 | 558,462.0000 | 63,510,537 | 0.89% | 0.01% |
| June 13, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 670 | $0.00 | 563,590.0000 | 62,963,806 | 0.12% | 0.00% |
| June 16, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 685 | $0.00 | 562,905.0000 | 62,963,806 | 0.12% | 0.00% |
| March 5, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 24000 | $4.21 | 564,260.0000 | 65,077,722 | 4.44% | 0.04% |
| March 5, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 24000 | $0.00 | 30,000.0000 | 65,077,722 | 44.44% | 0.04% |
| Feb. 19, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 5359 | $38.18 | 540,260.0000 | 65,077,722 | 0.98% | 0.01% |
| Jan. 15, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | F | Common Stock | 12636 | $0.00 | 545,619.0000 | 65,077,722 | 2.26% | 0.02% |
| Jan. 2, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Stock Option (right to buy) | 181472 | $0.00 | 181,472.0000 | 65,077,722 | 9999.99% | 0.28% |
| Jan. 2, 2025 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Common Stock | 149800 | $0.00 | 558,255.0000 | 65,077,722 | 36.67% | 0.23% |
| Nov. 26, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 21480 | $46.25 | 408,455.0000 | 61,767,934 | 5.00% | 0.03% |
| Nov. 25, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Stock Option (right to buy) | 1727 | $0.00 | 318,273.0000 | 61,767,934 | 0.54% | 0.00% |
| Nov. 25, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | M | Common Stock | 1727 | $21.58 | 429,935.0000 | 61,767,934 | 0.40% | 0.00% |
| Nov. 25, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 7000 | $0.00 | 428,208.0000 | 61,767,934 | 1.61% | 0.01% |
| Nov. 25, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 78520 | $46.96 | 435,208.0000 | 61,767,934 | 15.28% | 0.13% |
| Nov. 19, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 1000 | $0.00 | 513,415.0000 | 61,767,934 | 0.19% | 0.00% |
| June 13, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | G | Common Stock | 1000 | $0.00 | 514,415.0000 | 63,595,328 | 0.19% | 0.00% |
| June 7, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 35000 | $35.19 | 515,415.0000 | 63,595,328 | 6.36% | 0.06% |
| April 1, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 25000 | $28.31 | 549,590.0000 | 63,595,328 | 4.35% | 0.04% |
| March 1, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | S | Common Stock | 30000 | $31.62 | 574,590.0000 | 56,763,559 | 4.96% | 0.05% |
| Feb. 26, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | F | Common Stock | 10915 | $29.53 | 604,590.0000 | 56,763,559 | 1.77% | 0.02% |
| Feb. 15, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | F | Common Stock | 3717 | $28.23 | 615,505.0000 | 56,763,559 | 0.60% | 0.01% |
| Jan. 2, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Common Stock | 84875 | $0.00 | 619,222.0000 | 56,763,559 | 15.88% | 0.15% |
| Jan. 2, 2024 | Protagonist Therapeutics, Inc | $PTGX | PATEL DINESH V PH D | President and CEO | A | Stock Option (right to buy) | 315250 | $0.00 | 315,250.0000 | 56,763,559 | 9999.99% | 0.56% |