MEDICINOVA INC (MNOV)

Latest Insider Confidence Score

2026Q1

50.0
Bearish

Company insider confidence (by quarter)

2005Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Essex Woodlands Health Ventures Fund VI L P — 11,703,704 Jan 28, 2005
3d Investment Partners Pte. Ltd. — 5,502,047 Jan 21, 2021
3d Opportunity Master Fund — 5,502,047 Jan 21, 2021
Tanabe Holding America Inc. Other 5,000,000 Oct 16, 2006
Satomi Hajime — 1,467,000 May 20, 2013

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 16, 2026 Jan 20, 2026 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 16, 2026 Jan 20, 2026 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jun 17, 2025 Jun 20, 2025 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 17, 2025 Jun 20, 2025 Lemerond Nicole Director Neutral 52.5 - 0.00% ✗ -
Jun 17, 2025 Jun 20, 2025 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 Lemerond Nicole Director Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Jan 7, 2025 Jan 10, 2025 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 7, 2025 Jan 10, 2025 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 12, 2024 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 12, 2024 Lemerond Nicole Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 12, 2024 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Jan 9, 2024 Jan 11, 2024 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 9, 2024 Jan 11, 2024 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 9, 2024 Jan 11, 2024 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Aug 4, 2023 Aug 8, 2023 Lemerond Nicole Director Neutral 52.5 - 0.00% ✗ -
Aug 8, 2023 Lemerond Nicole Director Neutral 52.5 - 0.00% ✗ -
Jun 13, 2023 Jun 15, 2023 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 13, 2023 Jun 15, 2023 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Jan 23, 2023 Jan 25, 2023 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jan 23, 2023 Jan 25, 2023 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 23, 2023 Jan 25, 2023 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Nov 28, 2022 Nov 30, 2022 Nagao Hideki Director Sell 26.3 -6,754 -100.00% ✗ $15.2K
Nov 21, 2022 Nov 23, 2022 Nagao Hideki Director Sell 26.3 -5,583 -45.25% ✗ $12.2K
Nov 17, 2022 Nov 21, 2022 Nagao Hideki Director Sell 27.5 -309 -2.44% ✗ $673.6
Jun 27, 2022 Kruger Jason J CFO Neutral 52.5 - 0.00% ✗ -
Jun 16, 2022 Jun 17, 2022 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 16, 2022 Jun 17, 2022 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Jan 27, 2022 Jan 31, 2022 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 27, 2022 Jan 31, 2022 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 27, 2022 Jan 31, 2022 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Aug 23, 2021 Aug 25, 2021 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Aug 10, 2021 Paulin Douglas CFO Neutral 52.5 - 0.00% ✗ -
Jul 9, 2021 Jul 23, 2021 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jun 24, 2021 Jun 28, 2021 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jun 16, 2021 Jun 21, 2021 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 16, 2021 Jun 21, 2021 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
May 19, 2021 May 20, 2021 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Apr 22, 2021 Apr 26, 2021 Gaeta Federico C.A. Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Apr 26, 2021 Gaeta Federico C.A. Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Mar 11, 2021 Mar 15, 2021 Nagao Hideki Director Sell 26.3 -2,354 -15.69% ✗ $17.4K
Feb 25, 2021 Mar 1, 2021 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Feb 2, 2021 Feb 4, 2021 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Feb 2, 2021 Feb 4, 2021 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 2, 2021 Feb 4, 2021 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jan 21, 2021 3D Investment Partners Pte. Ltd. 10% Owner Neutral 52.5 - 0.00% ✗ -
Oct 20, 2020 Oct 22, 2020 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Oct 22, 2020 BEAVER CAROLYN Director Neutral 52.5 - 0.00% ✗ -
Sep 15, 2020 Sep 16, 2020 Nagao Hideki Director Sell 27.5 -1,000 -6.25% ✗ $5.8K
Aug 6, 2020 Aug 7, 2020 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2020 Stepanow Edward C Jr. CFO Neutral 52.5 - 0.00% ✗ -
Jun 16, 2020 Jun 17, 2020 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 16, 2020 Jun 17, 2020 Kobayashi Yutaka Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2020 Jun 15, 2020 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 8, 2020 Apr 13, 2020 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 8, 2020 Apr 13, 2020 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Mar 13, 2020 Mar 16, 2020 Matsuda Kazuko Chief Medical Officer Buy 77.5 +2,000 1.82% ✗ $7.2K
Mar 13, 2020 Mar 13, 2020 Matsuda Kazuko Chief Medical Officer Buy 77.5 +2,000 1.83% ✗ $7.2K
Mar 12, 2020 Mar 12, 2020 IWAKI YUICHI CEO Buy 82.5 +20,000 2.26% ✗ $62K
Jan 9, 2020 Jan 10, 2020 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 9, 2020 Jan 10, 2020 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 9, 2020 Jan 10, 2020 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jun 12, 2019 Jun 13, 2019 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jun 10, 2019 Jun 11, 2019 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2019 Jun 11, 2019 Kobayashi Yutaka Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2019 Jun 11, 2019 Ishizaka Yoshio Director Neutral 52.5 - 0.00% ✗ -
May 13, 2019 May 14, 2019 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Feb 28, 2019 Mar 4, 2019 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Jan 15, 2019 Jan 17, 2019 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Jan 15, 2019 Jan 17, 2019 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 15, 2019 Jan 17, 2019 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 15, 2019 Jan 17, 2019 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jan 9, 2019 Jan 11, 2019 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Jan 3, 2019 Jan 7, 2019 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jun 7, 2018 Jun 8, 2018 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2018 Jun 8, 2018 Kobayashi Yutaka Director Neutral 52.5 - 0.00% ✗ -
Jun 7, 2018 Jun 8, 2018 Ishizaka Yoshio Director Neutral 52.5 - 0.00% ✗ -
Jun 5, 2018 Reyes Carla CFO Neutral 52.5 - 0.00% ✗ -
Mar 5, 2018 Mar 7, 2018 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jan 6, 2018 Jan 9, 2018 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Jan 6, 2018 Jan 9, 2018 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 6, 2018 Jan 9, 2018 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 6, 2018 Jan 9, 2018 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Jan 3, 2018 Jan 5, 2018 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Dec 12, 2017 Dec 14, 2017 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Nov 9, 2017 Nov 13, 2017 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Nov 13, 2017 Nagao Hideki Director Neutral 52.5 - 0.00% ✗ -
Nov 2, 2017 Nov 6, 2017 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -
Aug 21, 2017 Aug 23, 2017 Ishizaka Yoshio Director Buy 91.3 +5,000 50.00% ✗ $25.9K
Jun 8, 2017 Jun 9, 2017 Kobayashi Yutaka Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2017 Jun 9, 2017 Ishizaka Yoshio Director Neutral 52.5 - 0.00% ✗ -
May 15, 2017 May 16, 2017 Kobayashi Yutaka Director Buy 67.5 +1,000 0.95% ✗ $5.6K
May 12, 2017 May 15, 2017 Kobayashi Yutaka Director Buy 95.0 +24,000 29.34% ✗ $134.9K
Jan 18, 2017 Jan 20, 2017 Okajima Masatsune VP and Head of Japanese Office Neutral 52.5 - 0.00% ✗ -
Jan 18, 2017 Jan 20, 2017 OBrien Geoffrey President Neutral 52.5 - 0.00% ✗ -
Jan 18, 2017 Jan 20, 2017 Matsuda Kazuko Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 18, 2017 Jan 20, 2017 IWAKI YUICHI CEO Neutral 52.5 - 0.00% ✗ -