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Munbae Steel 008420

Company
문배철강Munbae Steel
Insiders
2
Buys
7
Total Value
₩159M ($110K)
Avg Return
+3.55%
Last Filing
2026-06-15

Munbae Steel (008420) has 7 disclosed insider purchases and 2 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩159M ($110K) in reported transaction value. The earliest filing StockDrifts holds for Munbae Steel is dated 2011-07-04; the most recent is 2026-06-15. 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 +3.55%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-15BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director47.6K₩2,235-2.2%₩106M ($74K)
2026-06-10BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director94.9K---
2026-06-09BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director43.8K---
2026-06-08BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director23.9K---
2026-06-05BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director9.2K---
2026-06-04BUYMarket Buy
배윤경
Bae Yun-kyung
Managing Director3.2K---
2026-03-10BUYMarket Buy
이창환
Changhwan Lee
Hospital Director25.0K₩2,090+9.3%₩52M ($36K)
2011-12-28SELLMarket Sell
배윤경
Bae Yun-kyung
Managing Director-40.0K---
2011-10-26SELLMarket Sell
배윤경
Bae Yun-kyung
Managing Director-36.0K---
2011-07-04BUY수증
배윤경
Bae Yun-kyung
Managing Director200.0K---

Frequently asked questions

Who has been buying Munbae Steel stock?
2 distinct insiders have filed 7 disclosed insider purchases in Munbae Steel (008420), most recently on 2026-06-15. 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 Munbae Steel have?
Munbae Steel has 7 buy-side and 2 sell-side disclosures on record, covering ₩159M ($110K) in total reported value, spanning 2011-07-04 to 2026-06-15.
Where does StockDrifts get Munbae Steel 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 Munbae Steel. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.