Who has been buying Innox Advanced Materials stock?

4 distinct insiders have filed 23 disclosed insider purchases in Innox Advanced Materials (272290), most recently on 2026-06-23. 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 Innox Advanced Materials have?

Innox Advanced Materials has 23 buy-side and 2 sell-side disclosures on record, covering ₩12.1B ($8.4M) in total reported value, spanning 2024-01-31 to 2026-06-23.

Where does StockDrifts get Innox 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.

Innox Advanced Materials 272290

Company

이녹스첨단소재Innox Advanced Materials

Insiders

Buys

Total Value

₩12.1B ($8.4M)

Avg Return

+18.06%

Last Filing

2026-06-23

Innox Advanced Materials (272290) has 23 disclosed insider purchases and 2 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩12.1B ($8.4M) in reported transaction value. The earliest filing StockDrifts holds for Innox Advanced Materials is dated 2024-01-31; the most recent is 2026-06-23. 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 +18.06%, 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
2026-08-03	BUY	Market Buy	이녹스 Innox	-	43.9K	₩19,780	+5.7%	₩773M ($537K)
2026-07-31	BUY	Market Buy	이녹스 Innox	-	9.2K	₩19,600	+6.6%	₩172M ($119K)
2026-06-23	BUY	Market Buy	이녹스 Innox	-	13.7K	₩24,700	-6.5%	₩338M ($235K)
2026-06-22	BUY	Market Buy	이녹스 Innox	-	10.2K	₩27,200	-15.1%	₩277M ($192K)
2026-06-18	BUY	Market Buy	이녹스 Innox	-	3.2K	₩29,100	-5.7%	₩93M ($65K)
2026-06-12	BUY	Market Buy	이녹스 Innox	-	17.2K	₩28,900	-5.0%	₩498M ($346K)
2026-06-10	BUY	Market Buy	이녹스 Innox	-	17.5K	₩26,450	+3.8%	₩464M ($322K)
2026-03-11	BUY	주식매수선택권	조춘득 Cho Chun-deuk	Managing Director	9.9K	-	-	-
2026-02-11	SELL	Market Sell	안흥기 Ahn Heung-gi	Managing Director	-10.3K	₩37,800	+6.2%	₩388M ($269K)
2026-02-05	SELL	Market Sell	박덕하 Deokha Park	Managing Director	-4.5K	₩34,950	-1.4%	₩157M ($109K)
2026-01-30	BUY	Market Buy	강정태 Kang Jeong-tae	CEO	400	₩32,700	+8.4%	₩13M ($9K)
2025-03-10	BUY	Market Buy	이녹스 Innox	-	18.6K	₩26,150	+35.6%	₩486M ($338K)
2025-03-07	BUY	Market Buy	이녹스 Innox	-	19.3K	₩25,950	+36.6%	₩502M ($349K)
2025-03-06	BUY	Market Buy	이녹스 Innox	-	22.3K	₩25,800	+37.4%	₩576M ($400K)
2025-03-05	BUY	Market Buy	이녹스 Innox	-	22.0K	₩27,200	+30.3%	₩598M ($416K)
2025-03-04	BUY	Market Buy	이녹스 Innox	-	18.0K	₩28,150	+25.9%	₩507M ($352K)
2025-02-28	BUY	Market Buy	이녹스 Innox	-	22.8K	₩28,350	+25.0%	₩647M ($449K)
2025-02-27	BUY	Market Buy	이녹스 Innox	-	29.4K	₩28,950	+22.4%	₩851M ($591K)
2025-02-26	BUY	Market Buy	이녹스 Innox	-	24.4K	₩28,950	+22.4%	₩706M ($490K)
2024-12-16	BUY	신규선임	강정태 Kang Jeong-tae	vice president	9.9K	₩20,900	+69.6%	₩206M ($143K)
2024-08-23	BUY	Market Buy	이녹스 Innox	-	30.0K	₩27,800	+27.5%	₩834M ($579K)
2024-08-22	BUY	Market Buy	이녹스 Innox	-	17.9K	₩28,200	+25.7%	₩505M ($351K)
2024-08-21	BUY	Market Buy	이녹스 Innox	-	30.0K	₩28,750	+23.3%	₩863M ($599K)
2024-08-20	BUY	Market Buy	이녹스 Innox	-	16.8K	₩28,650	+23.7%	₩482M ($334K)
2024-08-19	BUY	Market Buy	이녹스 Innox	-	10.8K	₩27,850	+27.3%	₩300M ($208K)
2024-08-16	BUY	Market Buy	이녹스 Innox	-	30.5K	₩28,750	+23.3%	₩876M ($608K)
2024-08-14	BUY	Market Buy	이녹스 Innox	-	12.1K	₩28,350	+25.0%	₩343M ($238K)
2024-08-13	BUY	Market Buy	이녹스 Innox	-	20.1K	₩27,700	+28.0%	₩556M ($386K)
2024-08-12	BUY	Market Buy	이녹스 Innox	-	10.0K	₩27,900	+27.1%	₩279M ($194K)
2024-07-19	BUY	주식매수선택권	김선홍 Seonhong Kim	Managing Director	10.0K	₩32,850	+7.9%	₩329M ($228K)
2024-07-19	BUY	주식매수선택권	서용걸 Seo Yong-geol	Managing Director	10.0K	₩32,850	+7.9%	₩329M ($228K)
2024-03-18	SELL	임원퇴임	박태성 Park Tae-seong	Managing Director	-3.2K	₩30,950	-14.5%	₩99M ($69K)
2024-01-31	SELL	임원퇴임	박상천 Sangcheon Park	Managing Director	-10.0K	₩27,400	-29.4%	₩274M ($190K)

Frequently asked questions

Who has been buying Innox Advanced Materials stock?: 4 distinct insiders have filed 23 disclosed insider purchases in Innox Advanced Materials (272290), most recently on 2026-06-23. 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 Innox Advanced Materials have?: Innox Advanced Materials has 23 buy-side and 2 sell-side disclosures on record, covering ₩12.1B ($8.4M) in total reported value, spanning 2024-01-31 to 2026-06-23.
Where does StockDrifts get Innox 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 Innox Advanced Materials. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.