Who has been buying Atinum Invest stock?

3 distinct insiders have filed 17 disclosed insider purchases in Atinum Invest (021080), most recently on 2025-06-02. 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 Atinum Invest have?

Atinum Invest has 17 buy-side and 1 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2025-05-15 to 2025-06-02.

Where does StockDrifts get Atinum Invest insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Atinum Invest 021080

Company

에이티넘인베스트Atinum Invest

Insiders

Buys

Total Value

₩1.6B ($1.1M)

Avg Return

+50.93%

Last Filing

2025-06-02

Atinum Invest (021080) has 17 disclosed insider purchases and 1 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩1.6B ($1.1M) in reported transaction value. The earliest filing StockDrifts holds for Atinum Invest is dated 2025-05-15; the most recent is 2025-06-02. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +50.93%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2025-06-02	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	11.7K	₩2,410	+55.8%	₩28M ($20K)
2025-05-29	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	72.4K	₩2,425	+54.9%	₩176M ($122K)
2025-05-28	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	5.0K	₩2,375	+58.1%	₩12M ($8K)
2025-05-27	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	11.0K	₩2,375	+58.1%	₩26M ($18K)
2025-05-26	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	20.0K	₩2,375	+58.1%	₩48M ($33K)
2025-05-23	BUY	Market Buy	김제욱 Kim Je-wook	vice president	45.0K	₩2,390	+57.1%	₩108M ($75K)
2025-05-22	BUY	Market Buy	김제욱 Kim Je-wook	vice president	45.0K	₩2,395	+56.8%	₩108M ($75K)
2025-05-21	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	86.5K	₩2,445	+53.6%	₩211M ($147K)
2025-05-21	BUY	Market Buy	김제욱 Kim Je-wook	vice president	46.0K	₩2,445	+53.6%	₩112M ($78K)
2025-05-21	SELL	Market Sell	김제욱 Kim Je-wook	vice president	-1.0K	₩2,445	-53.6%	₩2M ($2K)
2025-05-20	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	19.6K	₩2,415	+55.5%	₩47M ($33K)
2025-05-20	BUY	Market Buy	김제욱 Kim Je-wook	vice president	45.0K	₩2,415	+55.5%	₩109M ($75K)
2025-05-19	BUY	Market Buy	김제욱 Kim Je-wook	vice president	20.0K	₩2,380	+57.8%	₩48M ($33K)
2025-05-19	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	134.0K	₩2,380	+57.8%	₩319M ($221K)
2025-05-16	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	69.5K	₩2,355	+59.5%	₩164M ($114K)
2025-05-16	BUY	Market Buy	맹두진 Doojin Maeng	president	12.4K	₩2,355	+59.5%	₩29M ($20K)
2025-05-15	BUY	Market Buy	맹두진 Doojin Maeng	president	30.7K	₩2,355	+59.5%	₩72M ($50K)
2025-05-15	BUY	Market Buy	박은수 Eunsoo Park	Managing Director	250	₩2,355	+59.5%	₩589K ($409)

Frequently asked questions

Who has been buying Atinum Invest stock?: 3 distinct insiders have filed 17 disclosed insider purchases in Atinum Invest (021080), most recently on 2025-06-02. 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 Atinum Invest have?: Atinum Invest has 17 buy-side and 1 sell-side disclosures on record, covering ₩1.6B ($1.1M) in total reported value, spanning 2025-05-15 to 2025-06-02.
Where does StockDrifts get Atinum Invest insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Atinum Invest. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.