Who has been buying Jinyang Polyurethane stock?

0 distinct insiders have filed 0 disclosed insider purchases in Jinyang Polyurethane (010640), most recently on 2026-03-25. 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 Jinyang Polyurethane have?

Jinyang Polyurethane has 0 buy-side and 0 sell-side disclosures on record, spanning 2019-11-20 to 2026-03-25.

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.

Jinyang Polyurethane 010640

Company

진양폴리우레탄Jinyang Polyurethane

Insiders

Buys

Total Value

—

Avg Return

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Last Filing

2026-03-25

Jinyang Polyurethane (010640) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Jinyang Polyurethane is dated 2019-11-20; the most recent is 2026-03-25.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-09-16	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	2.7K	₩1,994	+6.1%	₩5M ($3K)
2026-09-16	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	2.7K	₩1,994	+6.1%	₩5M ($3K)
2026-08-27	BUY	Market Buy	진양홀딩스 Jinyang Holdings	-	17.1K	₩1,913	+14.5%	₩29M ($20K)
2026-08-27	BUY	Market Buy	최재호 Jaeho Choi	CEO	5.0K	₩1,913	+14.5%	₩9M ($6K)
2026-08-26	BUY	Market Buy	최재호 Jaeho Choi	CEO	5.0K	₩1,763	+24.2%	₩8M ($6K)
2026-08-25	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	3.7K	₩1,733	+22.0%	₩6M ($4K)
2026-08-25	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	3.7K	₩1,733	+26.4%	₩6M ($4K)
2026-08-25	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	1.6K	₩1,733	+22.0%	₩3M ($2K)
2026-08-25	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	1.6K	₩1,733	+26.4%	₩3M ($2K)
2026-08-24	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	402	₩1,678	+30.5%	₩671K ($466)
2026-08-24	BUY	Market Buy	최재호 Jaeho Choi	CEO	5.5K	₩1,678	+1.8%	₩9M ($7K)
2026-08-24	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	402	₩1,678	+26.0%	₩671K ($466)
2026-08-20	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	263	₩1,679	+30.4%	₩455K ($316)
2026-08-20	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	16	₩1,679	+30.4%	₩27K ($19)
2026-08-20	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	16	₩1,679	+26.0%	₩27K ($19)
2026-08-20	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	263	₩1,679	+26.0%	₩455K ($316)
2026-08-20	BUY	Market Buy	최재호 Jaeho Choi	CEO	5.0K	₩1,679	+1.7%	₩9M ($6K)
2026-08-18	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	117	₩1,749	+20.9%	₩202K ($141)
2026-08-18	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	117	₩1,749	+25.2%	₩202K ($141)
2026-08-18	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	85	₩1,749	+25.2%	₩150K ($104)
2026-08-18	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	85	₩1,749	+20.9%	₩150K ($104)
2026-03-25	BUY	유상신주취득	진양홀딩스 Jinyang Holdings	-	3.6M	₩2,495	+0.0%	₩9.0B ($6.3M)
2026-03-10	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	1	₩2,710	-22.0%	₩3K ($2)
2026-03-10	BUY	Market Buy	김성웅 Seongwoong Kim	Managing Director	1	₩2,710	-19.2%	₩3K ($2)
2019-11-20	BUY	시간외매매	진양홀딩스 Jinyang Holdings	-	263.4K	-	-	-

Frequently asked questions

Who has been buying Jinyang Polyurethane stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Jinyang Polyurethane (010640), most recently on 2026-03-25. 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 Jinyang Polyurethane have?: Jinyang Polyurethane has 0 buy-side and 0 sell-side disclosures on record, spanning 2019-11-20 to 2026-03-25.
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.