Who has been buying Daejin Advanced Materials stock?

3 distinct insiders have filed 0 disclosed insider purchases in Daejin Advanced Materials (393970), most recently on 2026-03-05. 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 Daejin Advanced Materials have?

Daejin Advanced Materials has 0 buy-side and 9 sell-side disclosures on record, covering ₩19.5B ($13.5M) in total reported value, spanning 2025-03-06 to 2026-03-05.

Where does StockDrifts get Daejin Advanced Materials 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.

Daejin Advanced Materials 393970

Company

대진첨단소재Daejin Advanced Materials

Insiders

Buys

Total Value

₩19.5B ($13.5M)

Avg Return

+49.22%

Last Filing

2026-03-05

Daejin Advanced Materials (393970) has 0 disclosed insider purchases and 9 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩19.5B ($13.5M) in reported transaction value. The earliest filing StockDrifts holds for Daejin Advanced Materials is dated 2025-03-06; the most recent is 2026-03-05. 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 +49.22%, 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
2026-03-05	SELL	Market Sell	곽윤창 Kwak Yun-chang	moving	-41.0K	-	-	-
2026-02-06	SELL	Market Sell	곽윤창 Kwak Yun-chang	moving	-11.5K	₩3,745	+1.3%	₩43M ($30K)
2026-01-13	BUY	주식매수선택권	곽윤창 Kwak Yun-chang	moving	40.0K	₩4,390	-15.8%	₩176M ($122K)
2026-01-06	BUY	제3자배정유상증자	광무 Gwangmu	-	3.0M	₩4,510	-18.1%	₩13.4B ($9.3M)
2025-11-10	SELL	Market Sell	코오롱인베스트먼트 Kolon Investment	-	-670.0K	₩4,270	+13.5%	₩2.9B ($2.0M)
2025-10-30	BUY	주식매수선택권	곽윤창 Kwak Yun-chang	moving	10.0K	₩7,330	-49.6%	₩73M ($51K)
2025-10-17	SELL	Market Sell	에스제이투자파트너스 SJ Investment Partners	-	-264.9K	₩7,310	+49.5%	₩1.9B ($1.3M)
2025-10-15	SELL	Market Sell	곽윤창 Kwak Yun-chang	moving	-28.0K	₩6,230	+40.7%	₩174M ($121K)
2025-09-15	BUY	주식매수선택권	곽윤창 Kwak Yun-chang	moving	28.0K	₩6,350	-41.8%	₩178M ($123K)
2025-04-22	SELL	Market Sell	에스제이투자파트너스 SJ Investment Partners	-	-305.6K	₩13,500	+72.6%	₩4.1B ($2.9M)
2025-04-22	SELL	Market Sell	코오롱인베스트먼트 Kolon Investment	-	-55.7K	₩13,500	+72.6%	₩752M ($522K)
2025-03-10	SELL	Market Sell	코오롱인베스트먼트 Kolon Investment	-	-364.6K	₩14,240	+74.0%	₩5.2B ($3.6M)
2025-03-06	SELL	Market Sell	에스제이투자파트너스 SJ Investment Partners	-	-360.6K	₩12,110	+69.5%	₩4.4B ($3.0M)
2025-03-06	BUY	신규상장	곽윤창 Kwak Yun-chang	moving	2.5K	₩12,110	-69.5%	₩31M ($21K)
2025-03-06	BUY	신규상장	유성준 Seongjun Yoo	CEO	3.9M	₩12,110	-69.5%	₩47.2B ($32.8M)
2025-03-06	BUY	신규상장	에스제이투자파트너스 SJ Investment Partners	-	2.4M	₩12,110	-69.5%	₩29.1B ($20.2M)
2025-03-06	BUY	신규상장	에스제이투자파트너스 SJ Investment Partners	-	317.5K	₩12,110	-69.5%	₩3.8B ($2.7M)
2025-03-06	BUY	신규상장	코오롱인베스트먼트 Kolon Investment	-	2.4M	₩12,110	-69.5%	₩29.4B ($20.4M)
2025-03-06	BUY	신규상장	김관영 Kim Gwan-young	Managing Director	6.4K	₩12,110	-69.5%	₩77M ($53K)

Frequently asked questions

Who has been buying Daejin Advanced Materials stock?: 3 distinct insiders have filed 0 disclosed insider purchases in Daejin Advanced Materials (393970), most recently on 2026-03-05. 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 Daejin Advanced Materials have?: Daejin Advanced Materials has 0 buy-side and 9 sell-side disclosures on record, covering ₩19.5B ($13.5M) in total reported value, spanning 2025-03-06 to 2026-03-05.
Where does StockDrifts get Daejin Advanced Materials 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 Daejin Advanced Materials. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.