List of insiders holdings for MediciNova Inc:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Kiyoizumi Takashi President and CEO | 2005-01-28 21:42:04 | 6,678,286 0 | 6,678,286 | Form 3 |
| 2 | 3D Investment Partners Pte. Ltd. 3D Opportunity Master Fund Formerly 10% Owner | 2026-09-29 17:00:02 | 0 4,862,047 | 4,862,047 | Form 4 |
| 3 | Nakata Kousuke Director | 2014-01-15 18:02:50 | 0 3,000,000 | 3,000,000 | Form 3 |
| 4 | Satomi Hajime 10% Owner | 2018-05-16 19:50:03 | 2,217,000 0 | 2,217,000 | Form 13G |
| 5 | BVF PARTNERS L P BIOTECHNOLOGY VALUE FUND L P BIOTECHNOLOGY VALUE FUND II LP BVF INVESTMENTS LLC BVF INC LAMPERT MARK N 10% Owner | 2009-12-24 16:04:33 | 1,455,610 0 | 1,455,610 | Form 13G |
| 6 | Kissei Pharmaceutical Co. Ltd. 10% Owner | 2017-06-14 16:05:33 | 1,400,000 0 | 1,400,000 | Form 13D |
| 7 | ESSEX WOODLANDS HEALTH VENTURES FUND VI L P 10% Owner | 2016-02-12 13:03:00 | 1,210,370 0 | 1,210,370 | Form 13D |
| 8 | Okajima Masatsune VP and Head of Japanese Office | 2019-03-04 06:00:23 | 1,040,530 0 | 1,040,530 | Form 4 |
| 9 | Izumi Tatsuo Director | 2013-12-13 16:06:36 | 600,000 158,730 | 758,730 | Form 4 |
| 10 | Tanabe Holding America Inc. 9.9% owner | 2006-11-13 12:16:19 | 500,000 0 | 500,000 | Form 13G |
| 11 | IWAKI YUICHI President and CEO | 2026-01-20 17:03:52 | 450,000 0 | 450,000 | Form 4 |
| 12 | Matsuda Kazuko Chief Medical Officer | 2026-01-20 17:04:59 | 350,000 0 | 350,000 | Form 4 |
| 13 | SUZUKI JOJI Sr. V.P., Finance & Admin. | 2006-01-06 21:51:09 | 300,000 0 | 300,000 | Form 4 |
| 14 | ANDERSON BRIAN Ex. VP-Corporate Development | 2005-01-28 21:39:17 | 200,000 0 | 200,000 | Form 3 |
| 15 | Lotz Mark W V.P., Regulatory Affairs | 2005-01-28 21:42:58 | 120,000 0 | 120,000 | Form 3 |
| 16 | OBrien Geoffrey Vice President | 2024-01-11 16:52:35 | 84,000 0 | 84,000 | Form 4 |
| 17 | Kalafer Michael E Chief Medical Officer | 2009-07-30 17:26:39 | 45,277 31,744 | 77,021 | Form 4 |
| 18 | GAMMANS RICHARD E SR Chief Development Officer | 2009-02-03 14:30:01 | 60,000 0 | 60,000 | Form 4 |
| 19 | Shigeta Hiroaki Director | 2012-05-15 16:02:11 | 45,000 0 | 45,000 | Form 4 |
| 20 | Nagao Hideki Director | 2026-06-25 16:38:19 | 44,500 0 | 44,500 | Form 4 |
| 21 | Lemerond Nicole Director | 2026-06-25 16:35:06 | 44,500 0 | 44,500 | Form 4 |
| 22 | BEAVER CAROLYN Director | 2026-06-25 16:35:05 | 44,500 0 | 44,500 | Form 4 |
| 23 | PRENDERGAST JOHN K A Director | 2011-07-20 21:18:50 | 44,000 0 | 44,000 | Form 4 |
| 24 | Johnson Kirk William Chief Scientific Officer | 2013-05-15 19:14:58 | 42,500 0 | 42,500 | Form 4 |
| 25 | COFFEE MICHAEL DENIS Chief Business Officer | 2013-05-15 19:16:30 | 42,500 0 | 42,500 | Form 4 |
| 26 | Locke Kenneth W Chief Scientific Officer | 2008-01-09 12:41:59 | 39,000 0 | 39,000 | Form 4 |
| 27 | Morris Arlene Director | 2013-05-23 12:13:12 | 36,200 0 | 36,200 | Form 4 |
| 28 | Asako Shintaro Chief Financial Officer | 2010-02-02 16:02:15 | 35,700 0 | 35,700 | Form 4 |
| 29 | Gaeta Federico C.A. Chief Scientific Officer | 2021-04-26 20:25:16 | 24,000 0 | 24,000 | Form 4 |
| 30 | Ishizaka Yoshio Director | 2019-06-11 17:03:04 | 20,000 0 | 20,000 | Form 4 |
| 31 | Kobayashi Yutaka Director | 2020-06-17 18:37:32 | 20,000 0 | 20,000 | Form 4 |
| 32 | van den Boom Esther Chief Financial Officer | 2014-08-08 16:38:26 | 10,000 0 | 10,000 | Form 4 |
| 33 | O'Toole David D Director | 2012-05-30 17:09:49 | 5,000 0 | 5,000 | Form 4 |
| 34 | Himawan Jeff Director | 2011-06-28 13:36:53 | 0 1000 | 1000 | Form 4 |
| 35 | DUNTON ALAN W Director | 2010-06-15 16:51:25 | 0 1000 | 1000 | Form 4 |
| 36 | VAPNEK DANIEL Director | 2008-06-10 20:34:45 | 1000 0 | 1000 | Form 4 |
| 37 | Reyes Carla Chief Financial Officer | 2018-06-05 16:23:41 | 0 0 | 0 | Form 3 |
| 38 | Stepanow Edward C Jr. Chief Financial Officer | 2020-06-24 16:42:17 | 0 0 | 0 | Form 3 |
| 39 | Paulin Douglas Chief Financial Officer | 2021-08-10 16:02:22 | 0 0 | 0 | Form 3 |
| 40 | Kruger Jason J Chief Financial Officer | 2022-06-27 18:36:19 | 0 0 | 0 | Form 3 |
| 41 | Selhorn Ryan J Chief Financial Officer | 2016-03-31 15:24:46 | 0 0 | 0 | Form 3 |
| 42 | Gennaro Michael J Chief Financial Officer | 2011-09-19 08:53:38 | 0 0 | 0 | Form 3 |