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Kostek System 169670

Company
코스텍시스템Kostek System
Insiders
6
Buys
13
Total Value
₩72M ($50K)
Avg Return
-53.99%
Last Filing
2024-06-20

Kostek System (169670) has 13 disclosed insider purchases and 0 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩72M ($50K) in reported transaction value. The earliest filing StockDrifts holds for Kostek System is dated 2023-03-29; the most recent is 2024-06-20. 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 -53.99%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2024-06-20BUYMarket Buy
배준호
Junho Bae
CEO3.0K₩12,600-52.5%₩38M ($26K)
2024-04-17BUYMarket Buy
배주섭
Bae Joo-seop
Managing Director80₩13,270-54.9%₩1M ($737)
2024-04-17BUYMarket Buy
이원규
Wonkyu Lee
Managing Director50₩13,270-54.9%₩664K ($461)
2024-04-11BUYMarket Buy
신재혁
Jaehyuk Shin
Managing Director100₩13,200-54.6%₩1M ($917)
2024-04-11BUYMarket Buy
이종영
Jongyoung Lee
Managing Director100₩13,200-54.6%₩1M ($917)
2024-04-09BUY신규보고
이종영
Jongyoung Lee
Managing Director12.0K₩15,250-60.7%₩183M ($127K)
2024-04-09BUY신규보고
배주섭
Bae Joo-seop
Managing Director12.0K₩15,250-60.7%₩183M ($127K)
2024-04-09BUY신규보고
신재혁
Jaehyuk Shin
Managing Director5.1K₩15,250-60.7%₩78M ($54K)
2024-04-05BUYMarket Buy
김용섭
Yongseop Kim
Managing Director337₩14,590-58.9%₩5M ($3K)
2024-04-03BUYMarket Buy
배준호
Junho Bae
CEO1.0K₩12,560-52.3%₩13M ($9K)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO100₩12,800-53.2%₩1M ($889)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO32₩12,800-53.2%₩410K ($284)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO175₩12,800-53.2%₩2M ($2K)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO600₩12,800-53.2%₩8M ($5K)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO11₩12,800-53.2%₩141K ($98)
2024-04-01BUYMarket Buy
배준호
Junho Bae
CEO82₩12,800-53.2%₩1M ($729)
2023-03-29BUY신규보고
김용섭
Yongseop Kim
Managing Director7.7K₩6,800-11.9%₩53M ($37K)

Frequently asked questions

Who has been buying Kostek System stock?
6 distinct insiders have filed 13 disclosed insider purchases in Kostek System (169670), most recently on 2024-06-20. 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 Kostek System have?
Kostek System has 13 buy-side and 0 sell-side disclosures on record, covering ₩72M ($50K) in total reported value, spanning 2023-03-29 to 2024-06-20.
Where does StockDrifts get Kostek System 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 Kostek System. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.