Who has been buying Wonik P&E stock?

10 distinct insiders have filed 26 disclosed insider purchases in Wonik P&E (217820), most recently on 2026-06-26. 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 Wonik P&E have?

Wonik P&E has 26 buy-side and 0 sell-side disclosures on record, covering ₩420M ($292K) in total reported value, spanning 2024-04-25 to 2026-06-26.

Where does StockDrifts get Wonik P&E 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.

Wonik P&E 217820

Company

원익피앤이Wonik P&E

Insiders

Buys

Total Value

₩420M ($292K)

Avg Return

+54.74%

Last Filing

2026-06-26

Wonik P&E (217820) has 26 disclosed insider purchases and 0 disclosed disposals on record, filed by 10 distinct insiders. Together those filings cover ₩420M ($292K) in reported transaction value. The earliest filing StockDrifts holds for Wonik P&E is dated 2024-04-25; the most recent is 2026-06-26. 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 +54.74%, 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
2026-06-26	BUY	Market Buy	김동철 Kim Dong-cheol	vice president	10.0K	₩1,778	+7.7%	₩18M ($12K)
2026-06-25	BUY	Market Buy	손준영 Son Jun-young	Managing Director	2.0K	₩1,852	+3.4%	₩4M ($3K)
2026-06-23	BUY	Market Buy	송찬규 Song Chan-gyu	Managing Director	1.5K	₩1,945	-1.5%	₩3M ($2K)
2026-06-12	BUY	Market Buy	김원제 Kim Won-je	Managing Director	7.4K	₩2,255	-5.1%	₩17M ($12K)
2026-06-10	BUY	Market Buy	함장길 Hamjang-gil	Managing Director	11.1K	₩2,055	+4.1%	₩23M ($16K)
2026-06-10	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	10.0K	₩2,055	+4.1%	₩21M ($14K)
2026-04-07	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	4.0K	₩2,910	+26.1%	₩12M ($8K)
2026-03-31	BUY	자사주상여금	이기채 Kichae Lee	CEO	10.0K	₩2,955	+24.2%	₩30M ($21K)
2026-03-31	BUY	자사주상여금	조남성 Cho Nam-seong	Internal director	6.0K	₩2,955	+24.2%	₩18M ($12K)
2026-03-31	BUY	신규보고	안희은 Ahn Hee-eun	CEO	8.0K	₩2,955	+24.2%	₩24M ($16K)
2025-10-13	BUY	Market Buy	이석민 Seokmin Lee	Managing Director	4.6K	₩3,055	+34.0%	₩14M ($10K)
2025-10-01	BUY	Market Buy	이석민 Seokmin Lee	Managing Director	2.9K	₩2,580	+58.7%	₩7M ($5K)
2025-10-01	BUY	Market Buy	송찬규 Song Chan-gyu	Managing Director	1.0K	₩2,580	+58.7%	₩3M ($2K)
2025-05-09	BUY	Market Buy	윤춘하 Chunha Yoon	Managing Director	1.0K	₩2,110	+94.1%	₩2M ($1K)
2025-04-30	BUY	Market Buy	송찬규 Song Chan-gyu	Managing Director	2.5K	₩2,130	+92.3%	₩5M ($4K)
2025-04-25	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	1.2K	₩2,235	+83.2%	₩3M ($2K)
2025-04-24	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	3.8K	₩2,190	+87.0%	₩8M ($6K)
2025-04-11	BUY	Market Buy	김동철 Kim Dong-cheol	vice president	10.0K	₩2,060	+98.8%	₩21M ($14K)
2025-04-07	BUY	Market Buy	손준영 Son Jun-young	Managing Director	1.5K	₩1,935	+111.6%	₩3M ($2K)
2025-03-27	BUY	Market Buy	이기채 Kichae Lee	CEO	5.0K	₩2,170	+88.7%	₩11M ($8K)
2025-03-27	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	5.0K	₩2,170	+88.7%	₩11M ($8K)
2025-03-27	BUY	Market Buy	강재봉 Jaebong Kang	Managing Director	2.0K	₩2,170	+88.7%	₩4M ($3K)
2025-03-21	BUY	Market Buy	이기채 Kichae Lee	CEO	5.0K	₩2,230	+83.6%	₩11M ($8K)
2025-02-13	BUY	Market Buy	이기채 Kichae Lee	CEO	8.0K	₩2,415	+69.6%	₩19M ($13K)
2025-02-12	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	4.0K	₩2,120	+93.2%	₩8M ($6K)
2025-02-12	BUY	Market Buy	이기채 Kichae Lee	CEO	17.0K	₩2,120	+93.2%	₩36M ($25K)
2024-12-23	BUY	Market Buy	조남성 Cho Nam-seong	Internal director	20.0K	₩2,300	+78.0%	₩46M ($32K)
2024-12-18	SELL	장외매도	조남성 Cho Nam-seong	Internal director	-20.0K	₩2,455	-66.8%	₩49M ($34K)
2024-07-12	BUY	Market Buy	이기채 Kichae Lee	CEO	15.0K	₩3,995	+2.5%	₩60M ($42K)
2024-04-29	BUY	자사주상여금	정용욱 Yongwook Jeong	Internal director	3.0K	₩5,250	-22.0%	₩16M ($11K)
2024-04-29	BUY	자사주상여금	조남성 Cho Nam-seong	Internal director	6.0K	₩5,250	-22.0%	₩32M ($22K)
2024-04-29	BUY	자사주상여금	이기채 Kichae Lee	CEO	10.0K	₩5,250	-22.0%	₩53M ($36K)
2024-04-25	BUY	Market Buy	이기채 Kichae Lee	CEO	10.0K	₩5,130	-20.2%	₩51M ($36K)

Frequently asked questions

Who has been buying Wonik P&E stock?: 10 distinct insiders have filed 26 disclosed insider purchases in Wonik P&E (217820), most recently on 2026-06-26. 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 Wonik P&E have?: Wonik P&E has 26 buy-side and 0 sell-side disclosures on record, covering ₩420M ($292K) in total reported value, spanning 2024-04-25 to 2026-06-26.
Where does StockDrifts get Wonik P&E 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 Wonik P&E. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.