Entero Therapeutics, Inc. (ENTO)

Latest Insider Confidence Score

2026Q1

50.0
Bearish

Company insider confidence (by quarter)

2016Q4 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Syage Jack 4,920,037 Mar 15, 2024
Pelican Partners LLC 10% Owner 1,627,796 Jul 5, 2017
Balk Matthew 10% Owner 1,627,796 Jul 5, 2017
Ross Edmund Burke Jr. 10% Owner 400,000 Jan 29, 2020
Hoffman David Andrew 90,778 Jan 5, 2023

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 1, 2026 Jan 8, 2026 BORKOWSKI EDWARD Director Neutral 90.0 +40,000 197.55% -
Jan 1, 2026 Jan 5, 2026 Uppal Manpreet Director Neutral 90.0 +40,000 100.00% -
Jan 1, 2026 Jan 5, 2026 Pursglove Geordan Garrett Director Neutral 90.0 +40,000 100.00% -
Dec 22, 2025 Dec 29, 2025 Sawyer Jason David CEO Neutral 90.0 +40,000 100.00% -
Dec 22, 2025 Dec 29, 2025 Skowron Anna CFO Neutral 90.0 +65,000 100.00% -
Dec 29, 2025 Skowron Anna CFO Neutral 52.5 - 0.00% -
Aug 18, 2025 Pursglove Geordan Garrett Director Neutral 52.5 - 0.00% -
Aug 18, 2025 Sawyer Jason David Director Neutral 52.5 - 0.00% -
Feb 13, 2025 Uppal Manpreet Director Neutral 52.5 - 0.00% -
Feb 13, 2025 Corbett Eric Director Neutral 52.5 - 0.00% -
Feb 13, 2025 Paolone Richard CEO Neutral 52.5 - 0.00% -
Jan 6, 2025 Jan 8, 2025 Romano Sarah CFO Sell 47.5 -727 -4.04% $465.3
Oct 9, 2024 Oct 10, 2024 Romano Sarah CFO Sell 47.5 -476 -2.57% $212.3
Aug 14, 2024 Ramdeen Timothy R. Director Neutral 52.5 - 0.00% -
Jul 2, 2024 Jul 3, 2024 Romano Sarah CFO Sell 47.5 -621 -3.25% $664.5
Jul 2, 2024 Jul 3, 2024 SAPIRSTEIN JAMES CEO Sell 47.5 -1,289 -3.47% $1.4K
Jun 11, 2024 Jun 12, 2024 KHOSLA CHAITAN PHD Director Neutral 90.0 +24,889 5656.59% -
Apr 1, 2024 Apr 3, 2024 SAPIRSTEIN JAMES CEO Sell 52.5 -174 -0.47% $735.9
Apr 1, 2024 Apr 3, 2024 Romano Sarah CFO Sell 52.5 -75 -0.39% $317.2
Mar 15, 2024 Mar 19, 2024 SAPIRSTEIN JAMES CEO Sell 47.5 -1,887 -4.82% $9.4K
Mar 15, 2024 Mar 19, 2024 Romano Sarah CFO Sell 47.5 -1,120 -5.52% $5.6K
Mar 13, 2024 Mar 15, 2024 Syage Jack COO Neutral 90.0 +15,400 100.00% -
Mar 13, 2024 Mar 15, 2024 KHOSLA CHAITAN PHD Director Neutral 90.0 +440 100.00% -
Mar 15, 2024 KHOSLA CHAITAN PHD Director Neutral 52.5 - 0.00% -
Mar 15, 2024 Syage Jack COO Neutral 52.5 - 0.00% -
Jan 12, 2024 Jan 17, 2024 Romano Sarah CFO Sell 52.5 -98 -0.48% $411.6
Jan 12, 2024 Jan 17, 2024 SAPIRSTEIN JAMES CEO Sell 52.5 -166 -0.42% $697.2
Jan 2, 2024 Jan 4, 2024 CASAMENTO CHARLES J Director Neutral 90.0 +19,633 6458.22% -
Jan 2, 2024 Jan 4, 2024 Riddell Alastair Director Neutral 90.0 +19,633 3234.43% -
Jan 2, 2024 Jan 4, 2024 Coelho Mary Theresa Director Neutral 90.0 +19,633 3250.50% -
Jan 2, 2024 Jan 4, 2024 BORKOWSKI EDWARD Director Neutral 90.0 +19,633 3192.36% -
Dec 29, 2023 Jan 3, 2024 SAPIRSTEIN JAMES CEO Neutral 90.0 +37,660 2252.39% -
Dec 29, 2023 Jan 3, 2024 Romano Sarah CFO Neutral 90.0 +19,614 2482.78% -
Oct 4, 2023 Oct 6, 2023 Romano Sarah CFO Sell 47.5 -1,676 -9.59% $486
Oct 4, 2023 Oct 6, 2023 SAPIRSTEIN JAMES CEO Sell 47.5 -2,764 -7.64% $801.6
Sep 15, 2023 Sep 18, 2023 CASAMENTO CHARLES J Director Sell 52.5 -10 -0.16% $4.3
Aug 31, 2023 Sep 5, 2023 CASAMENTO CHARLES J Director Sell 27.5 -6,053 -49.77% $1.8K
Jul 3, 2023 Jul 5, 2023 Romano Sarah CFO Sell 47.5 -1,977 -10.16% $3K
Jul 3, 2023 Jul 5, 2023 SAPIRSTEIN JAMES CEO Sell 47.5 -3,349 -8.48% $5.2K
Apr 3, 2023 Apr 5, 2023 Romano Sarah CFO Sell 47.5 -1,975 -9.22% $4.9K
Apr 3, 2023 Apr 5, 2023 SAPIRSTEIN JAMES CEO Sell 47.5 -3,347 -7.81% $8.4K
Jan 3, 2023 Jan 5, 2023 Coelho Mary Theresa Director Neutral 90.0 +84,745 100.00% -
Jan 3, 2023 Jan 5, 2023 Romano Sarah CFO Neutral 90.0 +150,000 100.00% -
Jan 3, 2023 Jan 5, 2023 SAPIRSTEIN JAMES CEO Neutral 90.0 +300,000 100.00% -
Jan 3, 2023 Jan 5, 2023 BORKOWSKI EDWARD Director Neutral 90.0 +84,745 6006.02% -
Jan 3, 2023 Jan 5, 2023 Hoffman David Andrew Director Neutral 90.0 +84,745 1404.69% -
Jan 3, 2023 Jan 5, 2023 CASAMENTO CHARLES J Director Neutral 90.0 +84,745 21785.35% -
Jan 3, 2023 Jan 5, 2023 Riddell Alastair Director Neutral 90.0 +84,745 19260.23% -
May 4, 2022 Hoffman David Andrew Director Neutral 52.5 - 0.00% -
Mar 1, 2022 Mar 2, 2022 Romano Sarah CFO Neutral 52.5 - 0.00% -
Mar 2, 2022 Romano Sarah CFO Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 CASAMENTO CHARLES J Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Riddell Alastair Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Coelho Mary Theresa Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 BORKOWSKI EDWARD Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 SAPIRSTEIN JAMES CEO Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Pennington James CHIEF MEDICAL OFFICER Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Oakes Gregory Director Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Schneiderman Daniel H CFO Neutral 52.5 - 0.00% -
Jan 3, 2022 Jan 3, 2022 Schramm Vern Lee Director Neutral 52.5 - 0.00% -
Sep 9, 2021 Sep 13, 2021 Coelho Mary Theresa Director Neutral 52.5 - 0.00% -
Aug 17, 2021 Coelho Mary Theresa Director Neutral 52.5 - 0.00% -
Jul 9, 2021 Jul 9, 2021 Pennington James CHIEF MEDICAL OFFICER Neutral 52.5 - 0.00% -
Jun 30, 2021 Jul 2, 2021 Schneiderman Daniel H CFO Neutral 52.5 - 0.00% -
Jun 30, 2021 Jul 2, 2021 SAPIRSTEIN JAMES CEO Neutral 52.5 - 0.00% -
Jan 4, 2021 Jan 6, 2021 Oakes Gregory Director Neutral 52.5 - 0.00% -
Jan 4, 2021 Jan 6, 2021 Schramm Vern Lee Director Neutral 52.5 - 0.00% -
Jan 4, 2021 Jan 6, 2021 Riddell Alastair Director Neutral 52.5 - 0.00% -
Jan 4, 2021 Jan 6, 2021 CASAMENTO CHARLES J Director Neutral 52.5 - 0.00% -
Jan 4, 2021 Jan 6, 2021 BORKOWSKI EDWARD Director Neutral 52.5 - 0.00% -
Jul 16, 2020 Jul 20, 2020 Pennington James CHIEF MEDICAL OFFICER Neutral 52.5 - 0.00% -
Jun 13, 2019 Jul 20, 2020 Pennington James CHIEF MEDICAL OFFICER Neutral 52.5 - 0.00% -
Jul 16, 2020 Jul 20, 2020 BORKOWSKI EDWARD Director Neutral 52.5 - 0.00% -
Jul 16, 2020 Jul 20, 2020 Schneiderman Daniel H CFO Neutral 52.5 - 0.00% -
Jul 16, 2020 Jul 20, 2020 SAPIRSTEIN JAMES CEO Neutral 52.5 - 0.00% -
Jun 1, 2020 Jun 1, 2020 BORKOWSKI EDWARD Director Neutral 52.5 - 0.00% -
Apr 13, 2020 Apr 16, 2020 Oakes Gregory Director Neutral 52.5 - 0.00% -
Apr 16, 2020 Oakes Gregory Director Neutral 52.5 - 0.00% -
Apr 6, 2020 Apr 7, 2020 CASAMENTO CHARLES J Director Neutral 52.5 - 0.00% -
Apr 6, 2020 Apr 7, 2020 Schramm Vern Lee Director Neutral 52.5 - 0.00% -
Apr 6, 2020 Apr 7, 2020 Riddell Alastair Director Neutral 52.5 - 0.00% -
Apr 6, 2020 Apr 7, 2020 Spoor Johan M. Director Neutral 52.5 - 0.00% -
Apr 6, 2020 Apr 7, 2020 BORKOWSKI EDWARD Director Neutral 52.5 - 0.00% -
Mar 19, 2020 Mar 23, 2020 CASAMENTO CHARLES J Director Neutral 52.5 - 0.00% -
Mar 11, 2020 Mar 13, 2020 Riddell Alastair Director Neutral 82.5 +29,294 4.59% -
Mar 11, 2020 Mar 13, 2020 CASAMENTO CHARLES J Director Neutral 90.0 +22,998 24.47% -
Mar 11, 2020 Mar 13, 2020 Schramm Vern Lee Director Neutral 90.0 +22,998 34.07% -
Mar 10, 2020 Mar 13, 2020 BORKOWSKI EDWARD Director Neutral 85.0 +30,647 7.80% -
Jan 2, 2020 Jan 29, 2020 Ross Edmund Burke Jr. 10% Owner Neutral 52.5 - 0.00% -
Jan 2, 2020 Jan 9, 2020 Schneiderman Daniel H CFO Neutral 52.5 - 0.00% -
Jan 9, 2020 Schneiderman Daniel H CFO Neutral 52.5 - 0.00% -
Dec 31, 2019 Jan 3, 2020 BORKOWSKI EDWARD Director Neutral 77.5 +7,500 1.95% -
Dec 31, 2019 Jan 3, 2020 CASAMENTO CHARLES J Director Neutral 85.0 +7,500 8.67% -
Dec 31, 2019 Jan 3, 2020 Riddell Alastair Director Neutral 85.0 +7,500 8.11% -
Dec 31, 2019 Jan 3, 2020 Schramm Vern Lee Director Neutral 90.0 +7,500 12.50% -
Oct 8, 2019 Oct 10, 2019 SAPIRSTEIN JAMES CEO Neutral 90.0 +200,000 100.00% -
Oct 10, 2019 SAPIRSTEIN JAMES CEO Neutral 52.5 - 0.00% -
Sep 30, 2019 Oct 1, 2019 Riddell Alastair Director Neutral 85.0 +7,500 8.82% -
Sep 30, 2019 Oct 1, 2019 CASAMENTO CHARLES J Director Neutral 85.0 +7,500 9.49% -
Sep 30, 2019 Oct 1, 2019 Schramm Vern Lee Director Neutral 90.0 +7,500 14.29% -