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Samick THK 004380

Company
삼익THKSamick THK
Insiders
2
Buys
6
Total Value
₩148M ($103K)
Avg Return
+7.50%
Last Filing
2026-06-01

Samick THK (004380) has 6 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩148M ($103K) in reported transaction value. The earliest filing StockDrifts holds for Samick THK is dated 2024-12-24; the most recent is 2026-06-01. Across these filings the average return since disclosure is +7.50%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-01BUYMarket Buy
류영수
Ryu Young-su
CEO president2.5K₩10,440-4.2%₩26M ($18K)
2026-05-15BUYMarket Buy
류영수
Ryu Young-su
CEO president5.0K₩13,290+3.1%₩66M ($46K)
2026-05-14BUYMarket Buy
류영수
Ryu Young-su
CEO president2.5K₩12,850+6.6%₩32M ($22K)
2026-05-07BUYMarket Buy
김종수
Jongsu Kim
vice president1.4K₩11,370+16.9%₩15M ($11K)
2026-04-30BUYMarket Buy
김종수
Jongsu Kim
vice president250₩11,850+12.2%₩3M ($2K)
2026-04-29BUYMarket Buy
김종수
Jongsu Kim
vice president400₩12,030+10.5%₩5M ($3K)
2024-12-24SELL증여
진영환
Jinyounghwan Jin
CEO Chairman-111.5K₩8,120-22.7%₩905M ($629K)

Frequently asked questions

Who has been buying Samick THK stock?
2 distinct insiders have filed 6 disclosed insider purchases in Samick THK (004380), most recently on 2026-06-01. 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 Samick THK have?
Samick THK has 6 buy-side and 0 sell-side disclosures on record, covering ₩148M ($103K) in total reported value, spanning 2024-12-24 to 2026-06-01.
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.