Who has been buying Sangji Construction stock?

1 distinct insiders have filed 0 disclosed insider purchases in Sangji Construction (042940), most recently on 2025-10-31. 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 Sangji Construction have?

Sangji Construction has 0 buy-side and 2 sell-side disclosures on record, covering ₩317M ($220K) in total reported value, spanning 2024-03-20 to 2025-10-31.

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.

Sangji Construction 042940

Company

상지건설Sangji Construction

Insiders

Buys

Total Value

₩317M ($220K)

Avg Return

-31.19%

Last Filing

2025-10-31

Sangji Construction (042940) has 0 disclosed insider purchases and 2 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩317M ($220K) in reported transaction value. The earliest filing StockDrifts holds for Sangji Construction is dated 2024-03-20; the most recent is 2025-10-31. Across these filings the average return since disclosure is -31.19%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2025-10-31	SELL	Market Sell	김영신 Youngshin Kim	CEO	-2.1K	₩7,760	-31.4%	₩16M ($11K)
2025-10-30	SELL	Market Sell	김영신 Youngshin Kim	CEO	-38.6K	₩7,790	-30.9%	₩301M ($209K)
2025-05-13	BUY	유상신주취득	중앙첨단소재 JoongAng Advanced Materials	-	157.5K	₩44,700	-77.2%	₩7.0B ($4.9M)
2025-04-18	BUY	전환사채의권리행사	글로벌 제1호조합 Global No. 1 Association	-	700.0K	₩38,050	-73.2%	₩26.6B ($18.5M)
2024-10-01	SELL	자본감소	앤로보틱스 NRobotics	-	-1.2M	₩6,770	-50.7%	₩8.0B ($5.5M)
2024-10-01	SELL	자본감소	중앙첨단소재 JoongAng Advanced Materials	-	-1.4M	₩6,770	-50.7%	₩9.5B ($6.6M)
2024-10-01	SELL	자본감소	김영신 Youngshin Kim	CEO	-81.3K	₩6,770	-50.7%	₩551M ($382K)
2024-05-03	SELL	주식병합	김영신 Youngshin Kim	CEO	-1.1M	₩13,633	+25.2%	₩15.0B ($10.4M)
2024-05-03	SELL	주식병합	앤로보틱스 NRobotics	-	-14.4M	₩13,633	+25.2%	₩196.3B ($136.3M)
2024-05-03	SELL	주식병합	중앙첨단소재 JoongAng Advanced Materials	-	-18.9M	₩13,633	+25.2%	₩258.2B ($179.3M)
2024-03-21	BUY	제3자배정유상증자	중앙첨단소재 JoongAng Advanced Materials	-	8.0M	₩14,039	-27.4%	₩112.3B ($78.0M)
2024-03-20	BUY	제3자배정유상증자	앤로보틱스 NRobotics	-	16.0M	₩13,602	-25.0%	₩217.6B ($151.1M)

Frequently asked questions

Who has been buying Sangji Construction stock?: 1 distinct insiders have filed 0 disclosed insider purchases in Sangji Construction (042940), most recently on 2025-10-31. 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 Sangji Construction have?: Sangji Construction has 0 buy-side and 2 sell-side disclosures on record, covering ₩317M ($220K) in total reported value, spanning 2024-03-20 to 2025-10-31.
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.