Medicinova Inc also files under 4875 OSE, (4875 OSE); those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 23, 2026 | Beaver Carolyn | Director | Grant(A) | 45K | — | $0 |
| Jun 23, 2026 | Lemerond Nicole | Director | Grant(A) | 45K | — | $0 |
| Jun 23, 2026 | Nagao Hideki | Director | Grant(A) | 45K | — | $0 |
| Jan 16, 2026 | Matsuda Kazuko | Chief Medical Officer | Grant(A) | 350K | — | $0 |
| Jan 16, 2026 | Iwaki Yuichi | President and CEO | Grant(A) | 450K | — | $0 |
| Jun 17, 2025 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jun 17, 2025 | Beaver Carolyn | Director | Grant(A) | 20K | — | $0 |
| Jun 17, 2025 | Lemerond Nicole | Director | Grant(A) | 20K | — | $0 |
| Feb 12, 2025 | Nagao Hideki | Director | Grant(A) | 25K | — | $0 |
| Feb 12, 2025 | Lemerond Nicole | Director | Grant(A) | 25K | — | $0 |
| Feb 12, 2025 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 100K | — | $0 |
| Feb 12, 2025 | Beaver Carolyn | Director | Grant(A) | 25K | — | $0 |
| Feb 12, 2025 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 100K | — | $0 |
| Jan 7, 2025 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 300K | — | $0 |
| Jan 7, 2025 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 400K | — | $0 |
| Jun 11, 2024 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jun 11, 2024 | Lemerond Nicole | Director | Grant(A) | 20K | — | $0 |
| Jun 11, 2024 | Beaver Carolyn | Director | Grant(A) | 20K | — | $0 |
| Jan 9, 2024 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 210K | — | $0 |
| Jan 9, 2024 | OBrien Geoffrey | Vice President | Grant(A) | 84K | — | $0 |
| Jan 9, 2024 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 158K | — | $0 |
| Aug 4, 2023 | Lemerond Nicole | Director | Grant(A) | 18K | — | $0 |
| Jun 13, 2023 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jun 13, 2023 | Beaver Carolyn | Director | Grant(A) | 20K | — | $0 |
| Jan 23, 2023 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 235K | — | $0 |
| Jan 23, 2023 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 150K | — | $0 |
| Jan 23, 2023 | OBrien Geoffrey | Vice President | Grant(A) | 77K | — | $0 |
| Nov 28, 2022 | Nagao Hideki | Director | Sell(S) | 7K | $2.25 | $15K |
| Nov 22, 2022 | Nagao Hideki | Director | Sell(S) | 218 | $2.13 | $464 |
| Nov 21, 2022 | Nagao Hideki | Director | Sell(S) | 5K | $2.18 | $12K |
| Nov 17, 2022 | Nagao Hideki | Director | Sell(S) | 309 | $2.18 | $674 |
| Jun 16, 2022 | Beaver Carolyn | Director | Grant(A) | 20K | — | $0 |
| Jun 16, 2022 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jan 27, 2022 | OBrien Geoffrey | Vice President | Grant(A) | 99K | — | $0 |
| Jan 27, 2022 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 193K | — | $0 |
| Jan 27, 2022 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 303K | — | $0 |
| Aug 23, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 60K | — | $0 |
| Aug 23, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 60K | $2.30 | $138K |
| Jul 9, 2021 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 40K | — | $0 |
| Jul 9, 2021 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 40K | $2.54 | $101K |
| Jun 24, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 56K | $2.46 | $138K |
| Jun 24, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 47K | $2.54 | $118K |
| Jun 24, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 47K | — | $0 |
| Jun 24, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 56K | — | $0 |
| Jun 16, 2021 | Beaver Carolyn | Director | Grant(A) | 20K | — | $0 |
| Jun 16, 2021 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| May 19, 2021 | OBrien Geoffrey | Vice President | Option exercise(M) | 11K | $2.46 | $28K |
| May 19, 2021 | OBrien Geoffrey | Vice President | Option exercise(M) | 32K | — | $0 |
| May 19, 2021 | OBrien Geoffrey | Vice President | Option exercise(M) | 11K | — | $0 |
| May 19, 2021 | OBrien Geoffrey | Vice President | Option exercise(M) | 32K | $2.54 | $81K |
| Apr 22, 2021 | Gaeta Federico C.A. | Chief Scientific Officer | Grant(A) | 24K | — | $0 |
| Mar 11, 2021 | Nagao Hideki | Director | Sell(S) | 2K | $7.40 | $17K |
| Feb 25, 2021 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 86K | — | $0 |
| Feb 25, 2021 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 86K | $2.46 | $212K |
| Feb 2, 2021 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 495K | — | $0 |
| Feb 2, 2021 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 325K | — | $0 |
| Feb 2, 2021 | OBrien Geoffrey | Vice President | Grant(A) | 99K | — | $0 |
| Oct 20, 2020 | Beaver Carolyn | Director | Grant(A) | 15K | — | $0 |
| Sep 15, 2020 | Nagao Hideki | Director | Sell(S) | 1K | $5.78 | $6K |
| Aug 6, 2020 | Nagao Hideki | Director | Option exercise(M) | 15K | — | $0 |
| Aug 6, 2020 | Nagao Hideki | Director | Option exercise(M) | 15K | $2.58 | $39K |
| Jun 16, 2020 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jun 16, 2020 | Kobayashi Yutaka | Director | Grant(A) | 20K | — | $0 |
| Jun 12, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 20K | — | $0 |
| Jun 12, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 20K | $5.13 | $103K |
| Apr 8, 2020 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 60K | — | $0 |
| Apr 8, 2020 | Iwaki Yuichi | President and CEO, Director | Option exercise(M) | 60K | $2.54 | $153K |
| Apr 8, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 28K | — | $0 |
| Apr 8, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Option exercise(M) | 28K | $2.54 | $72K |
| Mar 13, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Buy(P) | 2K | $3.62 | $7K |
| Mar 12, 2020 | Iwaki Yuichi | President and CEO, Director | Buy(P) | 20K | $3.10 | $62K |
| Jan 9, 2020 | Matsuda Kazuko | Chief Medical Officer, Director | Grant(A) | 244K | — | $0 |
| Jan 9, 2020 | Iwaki Yuichi | President and CEO, Director | Grant(A) | 413K | — | $0 |
| Jan 9, 2020 | OBrien Geoffrey | Vice President | Grant(A) | 165K | — | $0 |
| Jun 12, 2019 | Matsuda Kazuko | Chief Medical Officer | Option exercise(M) | 37K | — | $0 |
| Jun 12, 2019 | Matsuda Kazuko | Chief Medical Officer | Option exercise(M) | 37K | $4.80 | $178K |
| Jun 10, 2019 | Nagao Hideki | Director | Grant(A) | 20K | — | $0 |
| Jun 10, 2019 | Kobayashi Yutaka | Director | Grant(A) | 20K | — | $0 |
| Jun 10, 2019 | Ishizaka Yoshio | Director | Grant(A) | 20K | — | $0 |
| May 13, 2019 | Nagao Hideki | Director | Option exercise(M) | 1K | $2.77 | $3K |
| May 13, 2019 | Nagao Hideki | Director | Option exercise(M) | 1K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | $2.64 | $277K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 120K | $3.91 | $469K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 30K | $3.91 | $117K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 15K | $3.24 | $49K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 100K | $6.10 | $610K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 36K | $7.34 | $262K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 85K | $2.54 | $216K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 64K | $2.46 | $157K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | $3.09 | $324K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 80K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | $7.00 | $735K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 80K | $4.10 | $328K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 43K | $4.10 | $174K |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 64K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 15K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 105K | — | $0 |
| Feb 28, 2019 | Okajima Masatsune | VP and Head of Japanese Office | Option exercise(M) | 30K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Medicinova Inc, SEC CIK 0001226616. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under MNOV and shows every filing by that issuer (also filed as 4875 OSE, (4875 OSE)).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for MNOV