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.

Where does StockDrifts get DreamArts Corporation insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). 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	-3.9%	¥1.6B ($10.4M)
2026-04-03	BUY	unknown	山本孝昭	activist	2.0M	¥831	-3.9%	¥1.6B ($10.6M)
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	+37.6%	¥28M ($181K)
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	+37.6%	¥46M ($298K)
2025-10-10	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥1,356.67	-41.0%	¥881M ($5.7M)
2025-10-10	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥1,356.67	-41.0%	¥897M ($5.8M)
2024-12-20	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥870.67	-8.1%	¥565M ($3.6M)
2024-12-20	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥870.67	-8.1%	¥576M ($3.7M)
2024-08-13	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥666.33	+20.1%	¥433M ($2.8M)
2024-08-13	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥666.33	+20.1%	¥440M ($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	+18.8%	¥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	+18.8%	¥15M ($95K)
2023-12-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥900.33	-11.1%	¥252M ($1.6M)
2023-12-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥900.33	-11.1%	¥252M ($1.6M)
2023-12-01	SELL	unknown	前川賢治 MAEKAWA KENJI	activist	185.4K	¥900.33	+11.1%	¥92M ($593K)
2023-12-01	SELL	unknown	前川賢治 MAEKAWA KENJI	activist	185.4K	¥900.33	+11.1%	¥92M ($593K)
2023-11-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥773.33	+3.5%	¥216M ($1.4M)
2023-11-01	BUY	unknown	山本孝昭 YAMAMOTO TAKAAKI	activist	661.0K	¥773.33	+3.5%	¥511M ($3.3M)
2023-11-01	BUY	unknown	芸夢前川株式会社 Geimu Maekawa Co., Ltd.	activist	279.4K	¥773.33	+3.5%	¥216M ($1.4M)
2023-11-01	BUY	unknown	芸夢YAMAMOTO株式会社 Geimu YAMAMOTO Co., Ltd.	activist	649.4K	¥773.33	+3.5%	¥502M ($3.2M)
2023-11-01	BUY	unknown	前川賢治 MAEKAWA KENJI	activist	287.6K	¥773.33	+3.5%	¥222M ($1.4M)
2023-11-01	BUY	unknown	前川賢治 MAEKAWA KENJI	activist	287.6K	¥773.33	+3.5%	¥222M ($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.
Where does StockDrifts get DreamArts Corporation insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for DreamArts Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.