Who has been buying MediciNova, Inc. stock?

4 distinct investors have filed 1 disclosed large-shareholding filings in MediciNova, Inc. (4875), most recently on 2024-11-14. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does MediciNova, Inc. have?

MediciNova, Inc. has 1 buy-side and 3 sell-side disclosures on record, covering ¥217M ($1.4M) in total reported value, spanning 2021-07-07 to 2024-11-14.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

MediciNova, Inc. 4875

Company

メディシノバ・インクMediciNova, Inc.

Investors

Buys

Total Value

¥217M ($1.4M)

Avg Return

-47.00%

Last Filing

2024-11-14

MediciNova, Inc. (4875) has 1 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥217M ($1.4M) in reported transaction value. The earliest filing StockDrifts holds for MediciNova, Inc. is dated 2021-07-07; the most recent is 2024-11-14. Across these filings the average return since disclosure is -47.00%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2024-11-14	BUY	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	5.5M	¥288	-	-
2024-02-22	SELL	negotiated	岩城裕一 Yuichi Iwaki	activist	3.7M	¥203	-109.4%	¥109M ($700K)
2024-02-22	BUY	negotiated	岩城裕一 Yuichi Iwaki	activist	3.7M	¥203	-	¥109M ($700K)
2022-07-15	SELL	Market Buy	3Dインベストメント・パートナーズ・プライベート・リミティッド(3D Investment Partners Pte. Ltd.) 3D Investment Partners Pte. Ltd.	activist	5.5M	¥340	-25.0%	¥13M ($86K)
2021-07-07	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	524.2K	¥434	-2.1%	¥217M ($1.4M)
2021-07-07	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ.(BlackRock Institutional Trust Company BlackRock Institutional Trust Company, N.A.	passive	574.8K	¥434	+2.1%	¥157M ($1.0M)

Frequently asked questions

Who has been buying MediciNova, Inc. stock?: 4 distinct investors have filed 1 disclosed large-shareholding filings in MediciNova, Inc. (4875), most recently on 2024-11-14. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does MediciNova, Inc. have?: MediciNova, Inc. has 1 buy-side and 3 sell-side disclosures on record, covering ¥217M ($1.4M) in total reported value, spanning 2021-07-07 to 2024-11-14.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.