StockDrifts LogoStockDrifts

Woojin I&S 010400

Company
우진아이엔에스Woojin I&S
Insiders
1
Buys
0
Total Value
₩40M ($27K)
Avg Return
-51.75%
Last Filing
2026-03-10

Woojin I&S (010400) has 0 disclosed insider purchases and 1 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩40M ($27K) in reported transaction value. The earliest filing StockDrifts holds for Woojin I&S is dated 2025-04-15; the most recent is 2026-03-10. 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 -51.75%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-03-10BUY기타
이점식
Lee Jeong-sik
vice president20.0K---
2026-03-10BUY기타
김현웅
Hyunwoong Kim
Managing Director20.0K---
2026-03-10BUY기타
임기연
Lim Ki-yeon
Managing Director20.0K---
2026-03-10BUY기타
오병선
Oh Byeong-seon
Managing Director20.0K---
2026-01-27BUY신규선임
황륜선
Hwang Ryun-seon
Assistant Managing Director5.9K₩4,045-3.6%₩24M ($17K)
2026-01-27BUY신규선임
박재근
Jaegeun Park
Assistant Managing Director6.3K₩4,045-3.6%₩26M ($18K)
2026-01-27BUY신규선임
이성규
Seonggyu Lee
Assistant Managing Director3.2K₩4,045-3.6%₩13M ($9K)
2026-01-27BUY신규선임
최재필
Jaepil Choi
Assistant Managing Director6.0K₩4,045-3.6%₩24M ($17K)
2026-01-27BUY신규선임
임세환
Lim Se-hwan
Assistant Managing Director10.0K₩4,045-3.6%₩40M ($28K)
2025-04-17SELLMarket Sell
김종규
Kim Jong-gyu
Managing Director-15.4K₩2,570-51.8%₩40M ($27K)
2025-04-15BUY신규선임
정인영
Jeong In-young
moving800₩2,755+41.6%₩2M ($2K)
2025-04-15BUY신규선임
오세철
Oh Se-cheol
moving7.8K₩2,755+41.6%₩21M ($15K)

Frequently asked questions

Who has been buying Woojin I&S stock?
1 distinct insiders have filed 0 disclosed insider purchases in Woojin I&S (010400), most recently on 2026-03-10. 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 Woojin I&S have?
Woojin I&S has 0 buy-side and 1 sell-side disclosures on record, covering ₩40M ($27K) in total reported value, spanning 2025-04-15 to 2026-03-10.
Where does StockDrifts get Woojin I&S 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 Woojin I&S. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.