SEC Insider Transactions from MOLINA ARTURO MD.

Last updated: 2026-03-29 09:40 UTC | Total transactions: 43

Arturo Molina MD, Chief Medical Officer of Protagonist Therapeutics Inc ($PTGX), sold shares on the open market seven times over the past year, totaling about $4.05 million. His most recent sale occurred on January 27, 2026. These $PTGX insider sales rank 2,238th among 11,678 individual insiders in our database, where the average sale amount is $8.6 million across about 6.4 transactions. Molina made no open market purchases in the last 365 days.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 15000 $104.79 84,115.0000 63,573,048 15.13% 0.02%
March 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 15000 $8.04 99,115.0000 63,573,048 17.83% 0.02%
March 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 15000 $0.00 50,971.0000 63,573,048 22.74% 0.02%
Jan. 27, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 5000 $0.00 65,971.0000 63,573,048 7.05% 0.01%
Jan. 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 5000 $0.00 70,971.0000 63,573,048 6.58% 0.01%
Jan. 27, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 5000 $82.00 84,115.0000 63,573,048 5.61% 0.01%
Jan. 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 5000 $82.28 84,115.0000 63,573,048 5.61% 0.01%
Jan. 27, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 5000 $8.04 89,115.0000 63,573,048 5.94% 0.01%
Jan. 23, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 13151 $82.42 84,115.0000 63,573,048 13.52% 0.02%
Jan. 26, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 5000 $8.04 89,115.0000 63,573,048 5.94% 0.01%
Jan. 20, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 9514 $82.48 97,266.0000 63,573,048 8.91% 0.01%
Jan. 2, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Common Stock 25600 $0.00 106,780.0000 63,573,048 31.53% 0.04%
Jan. 2, 2026 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Stock Option (right to buy) 32000 $0.00 32,000.0000 63,573,048 9999.99% 0.05%
Nov. 17, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 2712 $84.77 81,180.0000 63,772,332 3.23% 0.00%
June 9, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 10000 $8.04 93,892.0000 62,963,806 11.92% 0.02%
June 9, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 10000 $55.51 83,892.0000 62,963,806 10.65% 0.02%
June 10, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 10000 $8.04 93,892.0000 62,963,806 11.92% 0.02%
June 10, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 10000 $57.03 83,892.0000 62,963,806 10.65% 0.02%
June 9, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 10000 $0.00 85,971.0000 62,963,806 10.42% 0.02%
June 10, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 10000 $0.00 75,971.0000 62,963,806 11.63% 0.02%
March 13, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 28437 $23.42 112,329.0000 65,077,722 33.90% 0.04%
March 13, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 2077 $38.98 114,406.0000 65,077,722 1.85% 0.00%
March 13, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 30514 $55.74 83,892.0000 65,077,722 26.67% 0.05%
March 13, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 28437 $0.00 69,063.0000 65,077,722 29.17% 0.04%
March 13, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 2077 $0.00 47,785.0000 65,077,722 4.17% 0.00%
Jan. 16, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 3252 $0.00 83,892.0000 65,077,722 3.73% 0.00%
Jan. 16, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 388 $0.00 87,144.0000 65,077,722 0.44% 0.00%
Jan. 2, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Stock Option (right to buy) 49862 $0.00 49,862.0000 65,077,722 9999.99% 0.08%
Jan. 2, 2025 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Common Stock 41088 $0.00 87,532.0000 65,077,722 88.47% 0.06%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 10000 $8.04 56,444.0000 61,767,934 21.53% 0.02%
Nov. 26, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 5529 $0.00 121,971.0000 61,767,934 4.34% 0.01%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 10000 $0.00 111,971.0000 61,767,934 8.20% 0.02%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Stock Option (right to buy) 16000 $0.00 95,971.0000 61,767,934 14.29% 0.03%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 16000 $8.04 62,444.0000 61,767,934 34.45% 0.03%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 10000 $44.50 46,444.0000 61,767,934 17.72% 0.02%
Nov. 27, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 16000 $44.83 46,444.0000 61,767,934 25.62% 0.03%
Nov. 26, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 5529 $45.60 46,444.0000 61,767,934 10.64% 0.01%
Nov. 26, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer M Common Stock 5529 $8.04 51,973.0000 61,767,934 11.90% 0.01%
Nov. 15, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 1906 $40.98 46,444.0000 61,767,934 3.94% 0.00%
Jan. 16, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer F Common Stock 427 $24.63 48,350.0000 56,763,559 0.88% 0.00%
Jan. 2, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Stock Option (right to buy) 97500 $0.00 97,500.0000 56,763,559 9999.99% 0.17%
Jan. 2, 2024 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer A Common Stock 26250 $0.00 48,777.0000 56,763,559 116.53% 0.05%
Nov. 15, 2023 Protagonist Therapeutics, Inc $PTGX MOLINA ARTURO MD Chief Medical Officer S Common Stock 1848 $16.24 22,527.0000 59,182,899 7.58% 0.00%