Who has been buying JLK stock?

0 distinct insiders have filed 0 disclosed insider purchases in JLK (322510), most recently on 2026-01-29. 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 JLK have?

JLK has 0 buy-side and 0 sell-side disclosures on record, spanning 2023-05-30 to 2026-01-29.

Do insider buys in Korean stocks predict returns?

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

JLK 322510

Company

제이엘케이JLK

Insiders

Buys

Total Value

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Avg Return

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Last Filing

2026-01-29

JLK (322510) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for JLK is dated 2023-05-30; the most recent is 2026-01-29.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-01-29	SELL	기타	김동민 Kim Dong-min	CEO	-197.0K	₩7,480	-4.7%	₩1.5B ($1.0M)
2026-01-29	BUY	기타	김동민 Kim Dong-min	CEO	197.0K	₩7,480	+4.7%	₩1.5B ($1.0M)
2025-11-24	BUY	기타	이명재 Myungjae Lee	vice president	72.3K	₩4,380	+78.8%	₩316M ($220K)
2025-11-24	BUY	기타	김동민 Kim Dong-min	CEO	15.4K	₩4,380	+78.8%	₩68M ($47K)
2025-11-24	BUY	기타	강신욱 Kang Shin-wook	vice president	72.3K	₩4,380	+78.8%	₩316M ($220K)
2025-11-24	BUY	기타	유위선 Yuwiseon	Internal director	600	₩4,380	+78.8%	₩3M ($2K)
2025-11-21	SELL	기타	김동민 Kim Dong-min	CEO	-32.0K	₩4,230	-85.1%	₩135M ($94K)
2024-10-18	BUY	무상신주취득	김동민 Kim Dong-min	CEO	68.0K	₩11,970	-34.6%	₩814M ($565K)
2024-10-18	BUY	무상신주취득	유위선 Yuwiseon	Internal director	5.4K	₩11,970	-34.6%	₩64M ($45K)
2024-10-18	BUY	무상신주취득	김원태 Kim Won-tae	Internal director	777.5K	₩11,970	-34.6%	₩9.3B ($6.5M)
2024-10-16	BUY	유상신주취득	유위선 Yuwiseon	Internal director	2.4K	₩12,070	-35.1%	₩29M ($20K)
2024-10-16	SELL	기타	유위선 Yuwiseon	Internal director	-2.4K	₩12,070	+35.1%	₩29M ($20K)
2024-10-16	SELL	기타	김동민 Kim Dong-min	CEO	-30.1K	₩12,070	+35.1%	₩363M ($252K)
2024-10-16	SELL	기타	김원태 Kim Won-tae	Internal director	-373.3K	₩12,070	+35.1%	₩4.5B ($3.1M)
2024-10-16	BUY	유상신주취득	김동민 Kim Dong-min	CEO	30.1K	₩12,070	-35.1%	₩363M ($252K)
2024-10-16	BUY	유상신주취득	김원태 Kim Won-tae	Internal director	373.3K	₩12,070	-35.1%	₩4.5B ($3.1M)
2024-09-13	SELL	기타	유위선 Yuwiseon	Internal director	-5.5K	₩9,520	+17.8%	₩53M ($37K)
2024-09-12	SELL	기타	김원태 Kim Won-tae	Internal director	-871.0K	₩10,038	+22.0%	₩8.7B ($6.1M)
2024-09-12	SELL	기타	김동민 Kim Dong-min	CEO	-70.2K	₩10,038	+22.0%	₩705M ($489K)
2024-09-06	BUY	기타	김원태 Kim Won-tae	Internal director	1.2M	₩9,244	-15.3%	₩11.5B ($8.0M)
2024-09-06	BUY	기타	유위선 Yuwiseon	Internal director	7.9K	₩9,244	-15.3%	₩73M ($51K)
2024-09-06	BUY	기타	김동민 Kim Dong-min	CEO	100.3K	₩9,244	-15.3%	₩927M ($644K)
2024-08-19	SELL	시간외매매	김원태 Kim Won-tae	Internal director	-330.7K	₩10,966	+28.6%	₩3.6B ($2.5M)
2023-06-08	SELL	주식매수청구권 행사	유위선 Yuwiseon	Internal director	-12.2K	₩8,856	+11.6%	₩108M ($75K)
2023-06-08	BUY	주식매수청구권 행사	유위선 Yuwiseon	Internal director	12.2K	₩8,856	-11.6%	₩108M ($75K)
2023-05-30	BUY	주식매수선택권	강신욱 Kang Shin-wook	vice president	69.4K	₩8,595	-8.9%	₩596M ($414K)
2023-05-30	BUY	기타	김동민 Kim Dong-min	CEO	69.4K	₩8,595	-8.9%	₩596M ($414K)
2023-05-30	BUY	기타	유위선 Yuwiseon	Internal director	100.0K	₩8,595	-8.9%	₩860M ($597K)
2023-05-30	BUY	주식매수선택권	이명재 Myungjae Lee	vice president	69.4K	₩8,595	-8.9%	₩596M ($414K)

Frequently asked questions

Who has been buying JLK stock?: 0 distinct insiders have filed 0 disclosed insider purchases in JLK (322510), most recently on 2026-01-29. 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 JLK have?: JLK has 0 buy-side and 0 sell-side disclosures on record, spanning 2023-05-30 to 2026-01-29.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

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