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Jusung Engineering 036930

Company
주성엔지니어링Jusung Engineering
Insiders
3
Buys
18
Total Value
₩5.7B ($4.0M)
Avg Return
+101.43%
Last Filing
2026-03-09

Jusung Engineering (036930) has 18 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩5.7B ($4.0M) in reported transaction value. The earliest filing StockDrifts holds for Jusung Engineering is dated 2021-05-03; the most recent is 2026-03-09. 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 +101.43%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-03-09BUYMarket Buy
루미에스트라
Lumiestra
-62.3K---
2026-03-09BUYMarket Buy
루미에스트라
Lumiestra
-62.7K---
2026-03-06BUYMarket Buy
루미에스트라
Lumiestra
-15.0K---
2026-03-06BUYMarket Buy
루미에스트라
Lumiestra
-15.1K---
2026-03-04BUYMarket Buy
루미에스트라
Lumiestra
-68.2K---
2026-03-04BUYMarket Buy
루미에스트라
Lumiestra
-67.0K---
2026-01-27BUYMarket Buy
루미에스트라
Lumiestra
-8.3K---
2026-01-26BUYMarket Buy
루미에스트라
Lumiestra
-55.2K---
2025-12-30BUYMarket Buy
루미에스트라
Lumiestra
-73.8K---
2025-12-10BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman14.5K₩28,750+84.3%₩417M ($289K)
2025-11-07BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman16.4K₩29,250+81.2%₩480M ($333K)
2025-08-04BUYMarket Buy
황은석
Hwang Eun-seok
CEO/President2.0K₩27,050+95.9%₩54M ($38K)
2025-07-28BUYMarket Buy
황은석
Hwang Eun-seok
CEO/President1.7K₩29,750+78.2%₩51M ($35K)
2025-06-25BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman19.9K₩32,100+65.1%₩638M ($443K)
2025-05-08BUYMarket Buy
황은석
Hwang Eun-seok
CEO/President600₩33,900+56.3%₩20M ($14K)
2025-05-08BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman76.8K₩33,900+56.3%₩2.6B ($1.8M)
2025-04-28BUY신규보고
황은석
Hwang Eun-seok
CEO/President1.0M₩34,900+51.9%₩36.6B ($25.4M)
2024-12-02BUY신규선임
이우경
Lee Woo-kyung
vice president1.3K₩26,000+103.8%₩34M ($23K)
2024-11-14BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman41.4K₩27,550+92.4%₩1.1B ($792K)
2021-05-03BUYMarket Buy
황철주
Hwang Cheol-ju
CEO/Chairman21.8K₩13,150+303.0%₩287M ($199K)

Frequently asked questions

Who has been buying Jusung Engineering stock?
3 distinct insiders have filed 18 disclosed insider purchases in Jusung Engineering (036930), most recently on 2026-03-09. 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 Jusung Engineering have?
Jusung Engineering has 18 buy-side and 0 sell-side disclosures on record, covering ₩5.7B ($4.0M) in total reported value, spanning 2021-05-03 to 2026-03-09.
Where does StockDrifts get Jusung Engineering 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 Jusung Engineering. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.