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PROTAGONIST THERAPEUTICS INC (PTGX) Stock Ownership and Short Interest

USA - NASDAQ:PTGX - US74366E1029 - Common Stock

76.72 USD
-0.78 (-1.01%)
Last: 10/20/2025, 5:20:01 PM
76.72 USD
0 (0%)
After Hours: 10/20/2025, 5:20:01 PM
PTGX Ownership Chart.PTGX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.PTGX Ownership.InsiderInstitutional



Shares Outstanding62.21M
Float60.44M
Float Short Interest Percentage11.02%
Owners (insider)1.02%
Owners (institutional)114.41%
Owners (insider) change-1.29%
Owners (institutional) change-0.05%
PTGX Institutional Ownership HistoryPTGX Institutional Ownership HistoryPTGX Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M
PTGX Historical Insider Transactions ChartPTGX Historical Insider Buy and Sell Transactions ChartPTGX Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 100K -100K 200K -200K
Date Name Type Shares Price Amount
Oct 10, 2025 Waddill William D. Option Excercise 12000 6.98 $ 83,760.00
Oct 10, 2025 Waddill William D. Open Market Sale 12000 81.62 $ 979,480.00
Sep 22, 2025 Waddill William D. Open Market Sale 4000 64.25 $ 257,000.00
Sep 16, 2025 PATEL DINESH V PH D Other Disposition 620 0.00 $ 0.00
Aug 27, 2025 Waddill William D. Open Market Sale 4000 59.25 $ 237,000.00
Jul 25, 2025 PATEL DINESH V PH D Open Market Sale 10415 54.78 $ 570,533.70
Jul 21, 2025 PATEL DINESH V PH D Grant 25000 0.00 $ 0.00
Jul 21, 2025 PATEL DINESH V PH D Open Market Sale 52444 54.92 $ 2,880,043.79
Jul 16, 2025 PATEL DINESH V PH D Other Disposition 5000 0.00 $ 0.00
Jun 13, 2025 PATEL DINESH V PH D Other Disposition 1355 0.00 $ 0.00
Jun 9, 2025 MOLINA ARTURO MD Option Excercise 20000 8.04 $ 160,800.00
Jun 9, 2025 MOLINA ARTURO MD Open Market Sale 20000 56.27 $ 1,125,400.00
Apr 28, 2025 SELICK HAROLD E Option Excercise 10725 1.16 $ 12,441.00
Apr 22, 2025 Ali Asif Open Market Sale 1756 46.00 $ 80,776.00
Mar 17, 2025 Waddill William D. Open Market Sale 4000 54.25 $ 217,000.00
Mar 13, 2025 MOLINA ARTURO MD Option Excercise 30514 24.48 $ 746,956.00
Mar 13, 2025 MOLINA ARTURO MD Open Market Sale 30514 55.74 $ 1,700,850.36
Mar 12, 2025 Ali Asif Option Excercise 24903 14.90 $ 371,163.51
Mar 12, 2025 Ali Asif Open Market Sale 24903 58.73 $ 1,462,553.19
Mar 5, 2025 PATEL DINESH V PH D Option Excercise 24000 4.21 $ 101,040.00
Feb 19, 2025 PATEL DINESH V PH D Open Market Sale 5359 38.18 $ 204,606.62
Jan 16, 2025 MOLINA ARTURO MD Open Market Sale 3640 0.00 $ 0.00
Jan 16, 2025 Ali Asif Open Market Sale 3918 0.00 $ 0.00
Jan 15, 2025 PATEL DINESH V PH D Option Excercise 12636 0.00 $ 0.00
Nov 26, 2024 MOLINA ARTURO MD Option Excercise 31529 8.04 $ 253,493.16
Nov 26, 2024 MOLINA ARTURO MD Open Market Sale 31529 44.86 $ 1,414,402.40
Nov 25, 2024 PATEL DINESH V PH D Open Market Sale 100000 46.81 $ 4,680,749.20
Nov 25, 2024 PATEL DINESH V PH D Other Disposition 7000 0.00 $ 0.00
Nov 25, 2024 PATEL DINESH V PH D Option Excercise 1727 21.58 $ 37,268.66
Nov 25, 2024 Gupta Suneel Option Excercise 205450 8.40 $ 1,726,576.50
Nov 25, 2024 Gupta Suneel Open Market Sale 122628 45.96 $ 5,635,429.98
Nov 19, 2024 PATEL DINESH V PH D Other Disposition 1000 0.00 $ 0.00
Nov 15, 2024 MOLINA ARTURO MD Open Market Sale 1906 40.98 $ 78,107.88