Who has been buying VINATech stock?

2 distinct insiders have filed 3 disclosed insider purchases in VINATech (126340), most recently on 2026-05-19. 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 VINATech have?

VINATech has 3 buy-side and 1 sell-side disclosures on record, covering ₩461M ($320K) in total reported value, spanning 2024-03-26 to 2026-05-19.

Where does StockDrifts get VINATech 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.

VINATech 126340

Company

비나텍VINATech

Insiders

Buys

Total Value

₩461M ($320K)

Avg Return

+339.06%

Last Filing

2026-05-19

VINATech (126340) has 3 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩461M ($320K) in reported transaction value. The earliest filing StockDrifts holds for VINATech is dated 2024-03-26; the most recent is 2026-05-19. 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 +339.06%, 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
2026-05-19	BUY	주식매수선택권	김정일 Kim Jong-il	Managing Director	11.9K	₩137,200	+10.9%	₩1.6B ($1.1M)
2026-05-19	BUY	주식매수선택권	김경철 Kim Kyung-cheol	president	11.9K	₩137,200	+10.9%	₩1.6B ($1.1M)
2026-05-19	BUY	주식매수선택권	송경의 Song Kyung-ui	Managing Director	4.8K	₩137,200	+10.9%	₩653M ($453K)
2026-03-03	BUY	콜옵션권리행사에따른주식취득	정한기 Jeong Han-ki	president	5.0K	-	-	-
2026-03-03	BUY	콜옵션권리행사에따른주식취득	성도경 Holy Bible	CEO	140.0K	-	-	-
2026-03-03	BUY	콜옵션권리행사에따른주식취득	김경철 Kim Kyung-cheol	president	6.0K	-	-	-
2026-02-27	SELL	Market Sell	국민연금공단 National Pension Service	-	-43.5K	-	-	-
2026-02-27	BUY	Market Buy	국민연금공단 National Pension Service	-	18.3K	-	-	-
2026-02-26	BUY	신규보고	국민연금공단 National Pension Service	-	660.8K	-	-	-
2026-02-26	BUY	신규주요주주	국민연금공단 National Pension Service	-	17.8K	-	-	-
2025-03-24	BUY	주식배당	김경철 Kim Kyung-cheol	president	189	₩23,417	+384.3%	₩4M ($3K)
2025-03-24	BUY	주식배당	성도경 Holy Bible	CEO	84.1K	₩23,417	+384.3%	₩2.0B ($1.4M)
2025-03-24	BUY	주식배당	정한기 Jeong Han-ki	president	1.6K	₩23,417	+384.3%	₩37M ($26K)
2024-11-18	BUY	Market Buy	성도경 Holy Bible	CEO	7.6K	₩25,508	+344.6%	₩193M ($134K)
2024-11-15	BUY	Market Buy	성도경 Holy Bible	CEO	10.3K	₩26,157	+333.5%	₩269M ($186K)
2024-04-18	BUY	주식배당	성도경 Holy Bible	CEO	79.3K	₩44,569	+154.4%	₩3.5B ($2.5M)
2024-03-26	BUY	주식배당	정한기 Jeong Han-ki	president	1.5K	₩41,880	+170.8%	₩63M ($44K)
2024-03-26	BUY	주식배당	김경철 Kim Kyung-cheol	president	180	₩41,880	+170.8%	₩8M ($5K)

Frequently asked questions

Who has been buying VINATech stock?: 2 distinct insiders have filed 3 disclosed insider purchases in VINATech (126340), most recently on 2026-05-19. 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 VINATech have?: VINATech has 3 buy-side and 1 sell-side disclosures on record, covering ₩461M ($320K) in total reported value, spanning 2024-03-26 to 2026-05-19.
Where does StockDrifts get VINATech 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 VINATech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.