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Wooshin System 017370

Company
우신시스템Wooshin System
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2026-03-26

Wooshin System (017370) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Wooshin System is dated 2025-03-26; the most recent is 2026-03-26. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-03-26BUY신규선임
정선영
Seonyoung Jeong
Outside Director1.6K₩5,750+9.6%₩9M ($7K)
2025-03-26BUY신규선임
이수경
Lee Soo-kyung
Managing Director6.3K₩6,570+4.3%₩41M ($29K)

Frequently asked questions

Who has been buying Wooshin System stock?
0 distinct insiders have filed 0 disclosed insider purchases in Wooshin System (017370), most recently on 2026-03-26. 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 Wooshin System have?
Wooshin System has 0 buy-side and 0 sell-side disclosures on record, spanning 2025-03-26 to 2026-03-26.
Where does StockDrifts get Wooshin System 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 Wooshin System. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.