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Union Materials 047400

Company
유니온머티리얼Union Materials
Insiders
1
Buys
2
Total Value
₩15M ($10K)
Avg Return
+9.32%
Last Filing
2026-03-03

Union Materials (047400) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩15M ($10K) in reported transaction value. The earliest filing StockDrifts holds for Union Materials is dated 2026-02-27; the most recent is 2026-03-03. Across these filings the average return since disclosure is +9.32%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-09-16BUYMarket Buy
유니온
union
-149.0K₩915+0.1%₩146M ($101K)
2026-08-26BUYMarket Buy
유니온
union
-4.9K₩979-3.0%₩5M ($3K)
2026-08-25BUYMarket Buy
유니온
union
-150.4K₩981+0.0%₩153M ($107K)
2026-08-24BUYMarket Buy
유니온
union
-114.7K₩980+0.1%₩104M ($73K)
2026-03-03BUYMarket Buy
황보상일
Hwang Bo Sang-il
vice president10.0K₩1,469+10.4%₩15M ($10K)
2026-02-27BUYMarket Buy
황보상일
Hwang Bo Sang-il
vice president18₩1,499+8.2%₩27K ($19)

Frequently asked questions

Who has been buying Union Materials stock?
1 distinct insiders have filed 2 disclosed insider purchases in Union Materials (047400), most recently on 2026-03-03. 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 Union Materials have?
Union Materials has 2 buy-side and 0 sell-side disclosures on record, covering ₩15M ($10K) in total reported value, spanning 2026-02-27 to 2026-03-03.
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.