Iterum Therapeutics plc (ITRM)

Latest Insider Confidence Score

2025Q4

50.7
Bullish

Company insider confidence (by quarter)

2018Q2 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Denner Alexander J 10% Owner 20,619,949 Feb 12, 2021
Sarissa Capital Management LP 10% Owner 20,619,949 Feb 12, 2021
Sarissa Capital Offshore Master Fund LP 10% Owner 20,619,949 Feb 12, 2021
Sarissa Capital Catapult Fund LLC 10% Owner 20,619,949 Feb 12, 2021
Sarissa Capital Hawkeye Fund LP 10% Owner 20,619,949 Feb 12, 2021

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 18, 2025 Nov 20, 2025 Dunne Michael W. Director Buy 82.5 +6,000 2.55% ✗ $2.2K
Aug 8, 2025 Aug 12, 2025 Dunne Michael W. Director Buy 86.3 +15,000 6.82% ✗ $10.9K
Jul 1, 2025 Jul 3, 2025 Coyne Christine Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Jul 3, 2025 Coyne Christine Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Mar 18, 2025 Whalen Joseph John Director Neutral 52.5 - 0.00% ✗ -
Jan 13, 2025 Jan 23, 2025 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Aug 6, 2024 Aug 12, 2024 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Aug 6, 2024 Aug 12, 2024 Fishman Corey N. CEO Neutral 52.5 - 0.00% ✗ -
Aug 6, 2024 Aug 12, 2024 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Dec 22, 2023 Dec 27, 2023 Dunne Michael W. Director Buy 91.3 +25,000 28.17% ✗ $35K
Dec 18, 2023 Dec 19, 2023 Dunne Michael W. Director Buy 91.3 +10,000 12.70% ✗ $18.4K
Dec 1, 2023 Dec 4, 2023 Puttagunta Sailaja Chief Medical Officer Sell 90.0 +5,400 108.67% ✗ $6.2K
Nov 22, 2023 Nov 27, 2023 Dunne Michael W. Director Buy 91.3 +20,000 34.04% ✗ $40.7K
Nov 20, 2023 Nov 20, 2023 Fishman Corey N. CEO Buy 91.3 +10,000 22.50% ✗ $15.9K
Oct 1, 2023 Oct 2, 2023 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Oct 1, 2023 Oct 2, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2023 Jul 3, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2023 Jul 3, 2023 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2023 Jun 15, 2023 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2023 Jun 15, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2023 Jun 15, 2023 Chin Mark Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2023 Jun 5, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Apr 1, 2023 Apr 3, 2023 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2023 Apr 3, 2023 Matthews Judith M. CFO Neutral 52.5 - 0.00% ✗ -
Mar 31, 2023 Apr 3, 2023 Puttagunta Sailaja Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 1, 2023 Apr 3, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2023 Apr 3, 2023 Fishman Corey N. CEO Neutral 52.5 - 0.00% ✗ -
Mar 11, 2023 Mar 14, 2023 Matthews Judith M. CFO Sell 90.0 +3,783 86.93% ✗ $2.8K
Mar 11, 2023 Mar 14, 2023 Fishman Corey N. CEO Sell 90.0 +8,650 24.16% ✗ $5.5K
Feb 27, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2023 Jan 4, 2023 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2023 Jan 4, 2023 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Dec 23, 2022 Dec 28, 2022 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Dec 23, 2022 Dec 28, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Dec 23, 2022 Dec 28, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Dec 1, 2022 Dec 5, 2022 Puttagunta Sailaja Chief Medical Officer Sell 90.0 +4,969 100.00% ✗ $4.4K
Sep 25, 2022 Sep 28, 2022 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Sep 25, 2022 Sep 27, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Sep 25, 2022 Sep 27, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Sep 16, 2022 Sep 20, 2022 Ahrens Brenton Karl Director Sell 22.5 -37,246 -98.91% ✗ $67.9K
Sep 13, 2022 Sep 15, 2022 Ahrens Brenton Karl Director Sell 22.5 -45,000 -54.44% ✗ $93.8K
Sep 8, 2022 Sep 12, 2022 Ahrens Brenton Karl Director Sell 22.5 -33,298 -28.72% ✗ $76.8K
Sep 7, 2022 Sep 9, 2022 Dunne Michael W. Director Buy 91.3 +10,000 39.10% ✗ $22.2K
Jun 25, 2022 Jun 28, 2022 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Jun 25, 2022 Jun 28, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Jun 25, 2022 Jun 28, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2022 Jun 24, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2022 Jun 24, 2022 Chin Mark Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2022 Jun 24, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2022 Jun 24, 2022 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 Kelly David George Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 Chin Mark Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jun 15, 2022 Jun 17, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Mar 25, 2022 Mar 29, 2022 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Mar 25, 2022 Mar 29, 2022 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Mar 25, 2022 Mar 29, 2022 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Mar 18, 2022 Mar 22, 2022 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Mar 14, 2022 Mar 15, 2022 Matthews Judith M. CFO Sell 46.3 -63,340 -49.24% ✗ $19.6K
Mar 11, 2022 Mar 15, 2022 Matthews Judith M. CFO Sell 91.3 +52,868 184.65% ✗ $17.9K
Mar 11, 2022 Mar 15, 2022 Fishman Corey N. CEO Neutral 52.5 - 0.00% ✗ -
Dec 10, 2021 Dec 14, 2021 Puttagunta Sailaja Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Dec 13, 2021 Puttagunta Sailaja Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jul 25, 2021 Jul 27, 2021 Dunne Michael W. Director Neutral 90.0 +80,000 31.21% ✗ -
Jun 23, 2021 Jun 25, 2021 Chin Mark Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Kelly David George Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Fishman Corey N. CEO Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Jun 23, 2021 Jun 25, 2021 Matthews Judith M. CFO Neutral 52.5 - 0.00% ✗ -
Apr 21, 2021 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Mar 25, 2021 Mar 29, 2021 Dunne Michael W. Director Neutral 52.5 - 0.00% ✗ -
Mar 18, 2021 Mar 19, 2021 Hecht Beth Director Neutral 52.5 - 0.00% ✗ -
Mar 11, 2021 Mar 15, 2021 Matthews Judith M. CFO Neutral 52.5 - 0.00% ✗ -
Mar 11, 2021 Mar 15, 2021 Fishman Corey N. CEO Neutral 52.5 - 0.00% ✗ -
Jul 28, 2020 Mar 3, 2021 Chin Mark Director Neutral 27.5 -11,857 -100.00% ✗ -
Feb 11, 2021 Feb 12, 2021 DENNER ALEXANDER J 10% Owner Sell 15.0 -20,619,949 -100.00% ✗ $50M
Feb 4, 2021 Feb 8, 2021 RA CAPITAL MANAGEMENT, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 25, 2021 Jan 27, 2021 Fishman Corey N. CEO Sell 95.0 +82,055 34.20% ✗ $147.8K
Jan 25, 2021 Jan 27, 2021 Dunne Michael W. Director Sell 95.0 +46,857 22.37% ✗ $57.3K
Jan 25, 2021 Jan 27, 2021 Matthews Judith M. CFO Sell 95.0 +28,632 100.00% ✗ $58.6K
Dec 2, 2020 RA CAPITAL MANAGEMENT, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Nov 23, 2020 DENNER ALEXANDER J 10% Owner Neutral 52.5 - 0.00% ✗ -
Oct 27, 2020 Oct 28, 2020 Dunne Michael W. Chief Scientific Officer Neutral 90.0 +61,540 41.59% ✗ -
Sep 30, 2020 Oct 2, 2020 Matthews Judith M. CFO Sell 10.0 -56,130 -100.00% ✓ $92.1K
Jul 1, 2020 Jul 6, 2020 Heron Patrick J Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2020 Jul 2, 2020 HUNT RONALD Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2020 Jul 2, 2020 Chin Mark Director Neutral 52.5 - 0.00% ✗ -
Jun 13, 2020 Jun 16, 2020 Kelly David George Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2020 Jun 12, 2020 Kelly David George Director Neutral 52.5 - 0.00% ✗ -
Jun 1, 2020 Jun 3, 2020 Sofinnova Venture Partners IX, L.P. 10% Owner Sell 20.0 -500,000 -28.96% ✗ $812.1K
Apr 7, 2020 Apr 9, 2020 Chin Mark Director Neutral 27.5 -1,089,903 -99.44% ✗ -
Jan 21, 2020 Jan 23, 2020 Sofinnova Venture Partners IX, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 21, 2020 Jan 23, 2020 Frazier Healthcare VII, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Jan 21, 2020 Jan 23, 2020 CANAAN X L.P. Director Neutral 52.5 - 0.00% ✗ -
Jan 21, 2020 Jan 23, 2020 Ahrens Brenton Karl Director Neutral 52.5 - 0.00% ✗ -