NASDAQ:PTGX | Insider Transactions | Protagonist Therapeutics, Inc

PTGX Insider Transactions

153 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.

PTGX insiders transaction timeline

PurchaseSale
2016-08-16: 10 purchases — JOHNSON & JOHNSON, Johnson & Johnson Innovation - JJDC, Inc., Papanek Julie and 7 more2017-05-16: 1 purchase — Giraudo Bryan2017-07-10: 1 sale — Liu David Y2017-08-28: 1 sale — Liu David Y2017-08-29: 1 sale — Shames Richard S.2017-09-12: 1 sale — Shames Richard S.2017-10-05: 1 sale — Shames Richard S.2017-11-13: 2 sales — Liu David Y2017-11-30: 1 sale — Liu David Y2017-12-18: 2 sales — Liu David Y, O'Neil Thomas P.2017-12-20: 1 sale — PATEL DINESH V PH D2017-12-21: 1 sale — PATEL DINESH V PH D2017-12-22: 1 sale — Shames Richard S.2018-01-16: 1 sale — Liu David Y2018-03-02: 1 sale — Liu David Y2018-03-12: 1 sale — Liu David Y2018-03-13: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-14: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-15: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-16: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-19: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-20: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-21: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-22: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-03-23: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-05-14: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-05-15: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-05-16: 2 sales — CANAAN X L.P., Canaan Partners X LLC2018-05-17: 2 sales — CANAAN X L.P., Canaan Partners X LLC2019-02-06: 5 sales — PATEL DINESH V PH D, Liu David Y, Shames Richard S.2019-03-01: 3 sales — Liu David Y, PATEL DINESH V PH D, Shames Richard S.2019-08-06: 2 sales — Liu David Y, PATEL DINESH V PH D2019-12-03: 6 purchases — Giraudo Bryan, Gupta Suneel, Kalkofen Donald A. and 1 more2020-03-12: 1 purchase — SELICK HAROLD E2020-08-11: 1 sale — KHOSLA CHAITAN PHD2021-01-19: 1 sale — PATEL DINESH V PH D2021-02-10: 2 sales — Noonberg Sarah B.2021-02-11: 1 sale — Noonberg Sarah B.2021-08-17: 1 sale — Liu David Y2021-12-21: 1 sale — PATEL DINESH V PH D2023-11-15: 1 sale — MOLINA ARTURO MD2023-12-13: 1 sale — PATEL DINESH V PH D2024-01-09: 1 sale — Gupta Suneel2024-02-29: 2 sales — Ali Asif2024-03-01: 4 sales — PATEL DINESH V PH D, Waddill William D., Ali Asif2024-04-01: 1 sale — PATEL DINESH V PH D2024-04-18: 1 sale — Ali Asif2024-06-07: 2 sales — Waddill William D., PATEL DINESH V PH D2024-07-24: 1 sale — Waddill William D.2024-09-10: 1 sale — Waddill William D.2024-09-11: 2 sales — Ali Asif2024-11-15: 1 sale — MOLINA ARTURO MD2024-11-25: 2 sales — Gupta Suneel, PATEL DINESH V PH D2024-11-26: 3 sales — MOLINA ARTURO MD, Gupta Suneel, PATEL DINESH V PH D2024-11-27: 2 sales — MOLINA ARTURO MD2025-01-16: 4 sales — MOLINA ARTURO MD, Ali Asif2025-02-19: 1 sale — PATEL DINESH V PH D2025-03-12: 1 sale — Ali Asif2025-03-13: 1 sale — MOLINA ARTURO MD2025-03-17: 1 sale — Waddill William D.2025-04-22: 1 sale — Ali Asif2025-06-09: 1 sale — MOLINA ARTURO MD2025-06-10: 1 sale — MOLINA ARTURO MD2025-07-21: 1 sale — PATEL DINESH V PH D2025-07-22: 1 sale — PATEL DINESH V PH D2025-07-23: 1 sale — PATEL DINESH V PH D2025-07-25: 1 sale — PATEL DINESH V PH D2025-08-27: 1 sale — Waddill William D.2025-09-22: 1 sale — Waddill William D.2025-10-10: 2 sales — Waddill William D.2025-11-17: 1 sale — MOLINA ARTURO MD2026-01-20: 3 sales — MOLINA ARTURO MD, PATEL DINESH V PH D, Ali Asif2026-01-23: 2 sales — PATEL DINESH V PH D, MOLINA ARTURO MD2026-01-26: 3 sales — PATEL DINESH V PH D, MOLINA ARTURO MD2026-01-27: 4 sales — PATEL DINESH V PH D, Ali Asif, MOLINA ARTURO MD2026-02-06: 1 sale — Waddill William D.2026-02-17: 1 sale — Williams Lewis T2026-03-24: 1 sale — PATEL DINESH V PH D2026-03-25: 1 sale — PATEL DINESH V PH D2026-03-26: 3 sales — MOLINA ARTURO MD, SELICK HAROLD E, Ali Asif2026-04-20: 1 sale — Ali Asif2026-05-07: 2 sales — Giraudo Bryan2026-05-08: 2 sales — Giraudo Bryan2026-05-12: 2 sales — PATEL DINESH V PH D2026-05-29: 1 sale — Waddill William D.2026-06-10: 1 sale — Waddill William D.2026-06-23: 1 sale — Waddill William D.2026-08-10: 1 sale — PATEL DINESH V PH D2026-08-11: 1 sale — PATEL DINESH V PH D2016-08-162026-08-11
Insider profileRoleDateTransactionSharesPrice
PATEL DINESH V PH DPresident and CEO2026-08-11Sale34,239$148.52
PATEL DINESH V PH DPresident and CEO2026-08-10Sale65,761$149.11
Waddill William D.Director2026-06-23Sale9,000.0$117.94
Waddill William D.Director2026-06-10Sale9,000.0$107.68
Waddill William D.Director2026-05-29Sale9,000.0$99.64
PATEL DINESH V PH DPresident and CEO2026-05-12Sale75,000.0$100.12
PATEL DINESH V PH DPresident and CEO2026-05-12Sale75,000.0$100.12
Giraudo BryanDirector2026-05-08Sale5,130.0$100.0
Giraudo BryanDirector2026-05-08Sale6,000.0$100.0
Giraudo BryanDirector2026-05-07Sale12,000.0$100.07
Giraudo BryanDirector2026-05-07Sale36,000.0$100.14
Ali AsifChief Financial Officer2026-04-20Sale1,750.0$105.47
MOLINA ARTURO MDChief Medical Officer2026-03-26Sale15,000.0$104.79
SELICK HAROLD EDirector2026-03-26Sale24,000.0$105.0
Ali AsifChief Financial Officer2026-03-26Sale24,765.0$104.24
PATEL DINESH V PH DPresident and CEO2026-03-25Sale54,641.0$101.0
PATEL DINESH V PH DPresident and CEO2026-03-24Sale59.0$101.0
Williams Lewis TDirector2026-02-17Sale18,000.0$82.42
Waddill William D.Director2026-02-06Sale20,000.0$83.68
PATEL DINESH V PH DPresident and CEO2026-01-27Sale4,068.0$83.19
Ali AsifChief Financial Officer2026-01-27Sale18,203.0$83.14
Ali AsifChief Financial Officer2026-01-27Sale28,000.0$83.13
MOLINA ARTURO MDChief Medical Officer2026-01-27Sale5,000.0$82.0
PATEL DINESH V PH DPresident and CEO2026-01-26Sale14,205.0$84.05
PATEL DINESH V PH DPresident and CEO2026-01-26Sale10,685.0$84.0
MOLINA ARTURO MDChief Medical Officer2026-01-26Sale5,000.0$82.28
PATEL DINESH V PH DPresident and CEO2026-01-23Sale19,315.0$84.59
MOLINA ARTURO MDChief Medical Officer2026-01-23Sale13,151.0$82.42
MOLINA ARTURO MDChief Medical Officer2026-01-20Sale9,514.0$82.48
PATEL DINESH V PH DPresident and CEO2026-01-20Sale34,438.0$82.48
Ali AsifChief Financial Officer2026-01-20Sale8,588.0$82.48
MOLINA ARTURO MDChief Medical Officer2025-11-17Sale2,712.0$84.77
Waddill William D.Director2025-10-10Sale8,000.0$87.81
Waddill William D.Director2025-10-10Sale4,000.0$69.25
Waddill William D.Director2025-09-22Sale4,000.0$64.25
Waddill William D.Director2025-08-27Sale4,000.0$59.25
PATEL DINESH V PH DPresident and CEO2025-07-25Sale10,415.0$54.78
PATEL DINESH V PH DPresident and CEO2025-07-23Sale17,520.0$54.79
PATEL DINESH V PH DPresident and CEO2025-07-22Sale22,065.0$55.05
PATEL DINESH V PH DPresident and CEO2025-07-21Sale12,859.0$54.86
MOLINA ARTURO MDChief Medical Officer2025-06-10Sale10,000.0$57.03
MOLINA ARTURO MDChief Medical Officer2025-06-09Sale10,000.0$55.51
Ali AsifChief Financial Officer2025-04-22Sale1,756.0$46.0
Waddill William D.Director2025-03-17Sale4,000.0$54.25
MOLINA ARTURO MDChief Medical Officer2025-03-13Sale30,514.0$55.74
Ali AsifChief Financial Officer2025-03-12Sale24,903.0$58.73
PATEL DINESH V PH DPresident and CEO2025-02-19Sale5,359.0$38.18
MOLINA ARTURO MDChief Medical Officer2025-01-16Sale3,252.0$0.0
MOLINA ARTURO MDChief Medical Officer2025-01-16Sale388.0$0.0
Ali AsifChief Financial Officer2025-01-16Sale2,601.0$0.0
Ali AsifChief Financial Officer2025-01-16Sale1,317.0$0.0
MOLINA ARTURO MDChief Medical Officer2024-11-27Sale16,000.0$44.83
MOLINA ARTURO MDChief Medical Officer2024-11-27Sale10,000.0$44.5
MOLINA ARTURO MDChief Medical Officer2024-11-26Sale5,529.0$45.6
Gupta SuneelChief Development Officer2024-11-26Sale19,191.0$45.5
PATEL DINESH V PH DPresident and CEO2024-11-26Sale21,480.0$46.25
Gupta SuneelChief Development Officer2024-11-25Sale103,437.0$46.04
PATEL DINESH V PH DPresident and CEO2024-11-25Sale78,520.0$46.96
MOLINA ARTURO MDChief Medical Officer2024-11-15Sale1,906.0$40.98
Ali AsifChief Financial Officer2024-09-11Sale12,000.0$44.47
Ali AsifChief Financial Officer2024-09-11Sale2,203.0$44.59
Waddill William D.Director2024-09-10Sale8,000.0$45.0
Waddill William D.Director2024-07-24Sale8,000.0$40.0
Waddill William D.Director2024-06-07Sale8,000.0$35.0
PATEL DINESH V PH DPresident and CEO2024-06-07Sale35,000.0$35.19
Ali AsifChief Financial Officer2024-04-18Sale1,234.0$25.11
PATEL DINESH V PH DPresident and CEO2024-04-01Sale25,000.0$28.31
PATEL DINESH V PH DPresident and CEO2024-03-01Sale30,000.0$31.62
Waddill William D.Director2024-03-01Sale12,975.0$31.34
Ali AsifChief Financial Officer2024-03-01Sale2,248.0$32.33
Ali AsifChief Financial Officer2024-03-01Sale12,000.0$32.22
Ali AsifChief Financial Officer2024-02-29Sale2,089.0$31.0
Ali AsifChief Financial Officer2024-02-29Sale7,850.0$30.61
Gupta SuneelChief Development Officer2024-01-09Sale5,000.0$25.0
PATEL DINESH V PH DPresident and CEO2023-12-13Sale75,000.0$20.08
MOLINA ARTURO MDChief Medical Officer2023-11-15Sale1,848.0$16.24
PATEL DINESH V PH DPresident and CEO2021-12-21Sale15,000.0$32.14
Liu David YChief Scientific Officer2021-08-17Sale14,779.0$47.56
Noonberg Sarah B.Director2021-02-11Sale3,700.0$25.09
Noonberg Sarah B.Director2021-02-10Sale400.0$26.04
Noonberg Sarah B.Director2021-02-10Sale4,300.0$25.42
PATEL DINESH V PH DPresident and CEO2021-01-19Sale24,846.0$24.6
KHOSLA CHAITAN PHDDirector2020-08-11Sale2,499.0$17.19
SELICK HAROLD EDirector2020-03-12Purchase12,000.0$6.7
Giraudo BryanDirector2019-12-03Purchase8,000.0$5.7
Gupta SuneelEVP Clinical Operations2019-12-03Purchase30,000.0$5.13
Kalkofen Donald A.Chief Financial Officer2019-12-03Purchase562.0$5.09
Kalkofen Donald A.Chief Financial Officer2019-12-03Purchase613.0$5.1
PATEL DINESH V PH DPresident and CEO2019-12-03Purchase20,000.0$5.65
PATEL DINESH V PH DPresident and CEO2019-12-03Purchase10,000.0$5.55
Liu David YChief Scientific Officer2019-08-06Sale3,395.0$8.85
PATEL DINESH V PH DPresident and CEO2019-08-06Sale10,792.0$8.85
Liu David YChief Scientific Officer2019-03-01Sale810.0$8.03
PATEL DINESH V PH DPresident and CEO2019-03-01Sale2,183.0$8.03
Shames Richard S.Chief Medical Officer2019-03-01Sale657.0$8.03
PATEL DINESH V PH DPresident and CEO2019-02-06Sale10,132.0$7.71
PATEL DINESH V PH DPresident and CEO2019-02-06Sale777.0$8.1
Liu David YChief Scientific Officer2019-02-06Sale3,821.0$7.74
Shames Richard S.Chief Medical Officer2019-02-06Sale2,580.0$7.71
Shames Richard S.Chief Medical Officer2019-02-06Sale198.0$8.15