Who has been buying Isu Special Chemicals stock?

0 distinct insiders have filed 0 disclosed insider purchases in Isu Special Chemicals (457190), most recently on 2026-04-27. 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 Isu Special Chemicals have?

Isu Special Chemicals has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-03-12 to 2026-04-27.

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.

Isu Special Chemicals 457190

Company

이수스페셜티케미컬Isu Special Chemicals

Insiders

Buys

Total Value

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Avg Return

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Last Filing

2026-04-27

Isu Special Chemicals (457190) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Isu Special Chemicals is dated 2024-03-12; the most recent is 2026-04-27.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-04-27	SELL	교환	이수 Lee Soo	-	-12.5K	₩121,800	+0.3%	₩1.5B ($1.1M)
2026-04-22	SELL	교환	이수 Lee Soo	-	-33.9K	₩130,100	+6.6%	₩4.4B ($3.1M)
2026-02-27	SELL	교환	이수 Lee Soo	-	-10.0K	-	-	-
2026-02-26	SELL	교환	이수 Lee Soo	-	-6.3K	-	-	-
2026-02-11	SELL	교환	이수 Lee Soo	-	-8.8K	₩99,300	-7.5%	₩872M ($606K)
2026-02-04	SELL	교환	이수 Lee Soo	-	-37.0K	₩122,200	+12.6%	₩4.5B ($3.1M)
2026-02-03	SELL	교환	이수 Lee Soo	-	-12.5K	₩107,500	+0.7%	₩1.3B ($937K)
2026-01-29	SELL	교환	이수 Lee Soo	-	-15.7K	₩104,400	-2.3%	₩1.6B ($1.1M)
2026-01-28	SELL	교환	이수 Lee Soo	-	-6.3K	₩106,300	-0.5%	₩667M ($463K)
2026-01-27	SELL	교환	이수 Lee Soo	-	-18.8K	₩104,300	-2.4%	₩2.0B ($1.4M)
2026-01-26	SELL	교환	이수 Lee Soo	-	-6.3K	₩99,100	-7.8%	₩622M ($432K)
2026-01-23	SELL	교환	이수 Lee Soo	-	-6.3K	₩96,600	-10.6%	₩606M ($421K)
2026-01-22	SELL	교환	이수 Lee Soo	-	-194.7K	₩102,300	-4.4%	₩19.9B ($13.8M)
2026-01-20	SELL	교환	이수 Lee Soo	-	-6.3K	₩83,500	-27.9%	₩524M ($364K)
2025-01-01	BUY	신규보고	김성민 Seongmin Kim	vice president	9.8K	₩30,050	+255.4%	₩296M ($206K)
2024-04-25	BUY	주식분할	김성우 Seongwoo Kim	Assistant Managing Director	788	₩67,900	+57.3%	₩54M ($37K)
2024-04-25	BUY	주식분할	류승호 Seungho Ryu	president	1.3K	₩67,900	+57.3%	₩85M ($59K)
2024-04-25	BUY	주식분할	이수 Lee Soo	-	423.7K	₩67,900	+57.3%	₩28.8B ($20.0M)
2024-04-25	BUY	주식분할	이수 Lee Soo	-	6.1M	₩67,900	+57.3%	₩410.9B ($285.4M)
2024-04-25	BUY	주식분할	김상범 Sangbeom Kim	Chairman	1.8M	₩67,900	+57.3%	₩122.7B ($85.2M)
2024-04-02	BUY	합병	김상범 Sangbeom Kim	Chairman	441.8K	₩61,200	+74.5%	₩27.0B ($18.8M)
2024-03-12	BUY	시간외매매	이수 Lee Soo	-	148.5K	₩74,300	+43.7%	₩11.0B ($7.7M)

Frequently asked questions

Who has been buying Isu Special Chemicals stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Isu Special Chemicals (457190), most recently on 2026-04-27. 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 Isu Special Chemicals have?: Isu Special Chemicals has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-03-12 to 2026-04-27.
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.