Who has been buying DreamArts Corporation stock?

6 distinct investors have filed 8 disclosed large-shareholding filings in DreamArts Corporation (4811), most recently on 2026-04-03. 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 DreamArts Corporation have?

DreamArts Corporation has 8 buy-side and 4 sell-side disclosures on record, covering ¥955M ($6.2M) in total reported value, spanning 2023-11-01 to 2026-04-03.

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.

DreamArts Corporation 4811

Company

株式会社ドリーム・アーツDreamArts Corporation

Investors

Buys

Total Value

¥955M ($6.2M)

Avg Return

+7.29%

Last Filing

2026-04-03

DreamArts Corporation (4811) has 8 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥955M ($6.2M) in reported transaction value. The earliest filing StockDrifts holds for DreamArts Corporation is dated 2023-11-01; the most recent is 2026-04-03. Across these filings the average return since disclosure is +7.29%, 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
2026-04-03	BUY	unknown	芸夢YAMAMOTO株式会社	activist	1.9M	¥831	-	-
2026-04-03	BUY	unknown	山本孝昭	activist	2.0M	¥831	-	-
2025-11-21	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	166.7K	¥1,281.67	+30.9%	¥46M ($298K)
2025-11-21	SELL	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	0	¥1,281.67	+30.9%	¥28M ($181K)
2025-10-10	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥1,356.67	-	¥881M ($5.7M)
2025-10-10	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥1,356.67	-	¥897M ($5.8M)
2024-12-20	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥870.67	-	¥565M ($3.6M)
2024-12-20	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥870.67	-	¥576M ($3.7M)
2024-08-13	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥666.33	-	¥440M ($2.8M)
2024-08-13	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥666.33	-	¥433M ($2.8M)
2024-04-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	202.6K	¥673.33	+31.6%	¥136M ($880K)
2024-04-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	21.9K	¥673.33	+31.6%	¥15M ($95K)
2023-12-01	SELL	unknown	前川賢治 MAEKAWA KENJI	activist	185.4K	¥900.33	+1.6%	¥92M ($593K)
2023-12-01	SELL	unknown	前川賢治 MAEKAWA KENJI	activist	185.4K	¥900.33	+1.6%	¥92M ($593K)
2023-12-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥900.33	-	-
2023-12-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥900.33	-	-
2023-11-01	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥773.33	+14.6%	¥511M ($3.3M)
2023-11-01	BUY	unknown	前川賢治 MAEKAWA KENJI	activist	287.6K	¥773.33	+14.6%	¥222M ($1.4M)
2023-11-01	BUY	unknown	前川賢治 MAEKAWA KENJI	activist	287.6K	¥773.33	+14.6%	¥222M ($1.4M)
2023-11-01	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥773.33	+14.6%	¥502M ($3.2M)
2023-11-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥773.33	+14.6%	¥216M ($1.4M)
2023-11-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥773.33	+14.6%	¥216M ($1.4M)

Frequently asked questions

Who has been buying DreamArts Corporation stock?: 6 distinct investors have filed 8 disclosed large-shareholding filings in DreamArts Corporation (4811), most recently on 2026-04-03. 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 DreamArts Corporation have?: DreamArts Corporation has 8 buy-side and 4 sell-side disclosures on record, covering ¥955M ($6.2M) in total reported value, spanning 2023-11-01 to 2026-04-03.
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.