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Seoul Viosys 092190

Company
서울바이오시스Seoul Viosys
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2025-12-22

Seoul Viosys (092190) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Seoul Viosys is dated 2023-09-20; the most recent is 2025-12-22. 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
2025-12-22BUYBW인수
서울반도체
Seoul Semiconductor
-11.4M₩2,585+21.7%₩29.4B ($20.4M)
2025-12-18BUYCB인수
서울반도체
Seoul Semiconductor
-11.4M₩2,445+28.6%₩27.8B ($19.3M)
2023-12-15BUY제3자배정유상증자
서울반도체
Seoul Semiconductor
-7.6M₩4,100-23.3%₩31.3B ($21.8M)
2023-09-20SELL기타
서울반도체
Seoul Semiconductor
--57.1K₩4,455+29.4%₩254M ($177K)

Frequently asked questions

Who has been buying Seoul Viosys stock?
0 distinct insiders have filed 0 disclosed insider purchases in Seoul Viosys (092190), most recently on 2025-12-22. 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 Seoul Viosys have?
Seoul Viosys has 0 buy-side and 0 sell-side disclosures on record, spanning 2023-09-20 to 2025-12-22.
Where does StockDrifts get Seoul Viosys 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 Seoul Viosys. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.