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Hana Materials 166090

Company
하나머티리얼즈Hana Materials
Insiders
3
Buys
2
Total Value
₩1.2B ($860K)
Avg Return
+27.13%
Last Filing
2026-05-28

Hana Materials (166090) has 2 disclosed insider purchases and 7 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩1.2B ($860K) in reported transaction value. The earliest filing StockDrifts holds for Hana Materials is dated 2024-04-02; the most recent is 2026-05-28. 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 +27.13%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-28SELLMarket Sell
강동호
Dongho Kang
Managing Director-3.8K₩69,400+16.0%₩263M ($183K)
2026-05-27SELLMarket Sell
강동호
Dongho Kang
Managing Director-1.2K₩74,300+21.5%₩90M ($62K)
2026-02-03SELLMarket Sell
김태민
Taemin Kim
Managing Director-10.0K₩64,800+9.1%₩648M ($450K)
2026-01-27SELLMarket Sell
김영석
Youngseok Kim
Managing Director-88₩63,400+7.1%₩6M ($4K)
2026-01-27SELLMarket Sell
김영석
Youngseok Kim
Managing Director-912₩63,400+7.1%₩58M ($40K)
2026-01-21SELLMarket Sell
김영석
Youngseok Kim
Managing Director-1.0K₩51,300-14.8%₩51M ($36K)
2026-01-21SELLMarket Sell
김영석
Youngseok Kim
Managing Director-830₩51,300-14.8%₩43M ($30K)
2024-11-08BUYMarket Buy
김영석
Youngseok Kim
Managing Director1.4K₩28,350+107.8%₩41M ($28K)
2024-11-07BUYMarket Buy
김영석
Youngseok Kim
Managing Director1.4K₩28,700+105.2%₩40M ($28K)
2024-04-02BUY주식매수선택권
김태민
Taemin Kim
Managing Director25.0K₩56,600+4.1%₩1.4B ($983K)

Frequently asked questions

Who has been buying Hana Materials stock?
3 distinct insiders have filed 2 disclosed insider purchases in Hana Materials (166090), most recently on 2026-05-28. 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 Hana Materials have?
Hana Materials has 2 buy-side and 7 sell-side disclosures on record, covering ₩1.2B ($860K) in total reported value, spanning 2024-04-02 to 2026-05-28.
Where does StockDrifts get Hana Materials 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 Hana Materials. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.