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One Biogen 307280

Company
원바이오젠One Biogen
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2023-03-29

One Biogen (307280) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for One Biogen is dated 2023-03-29; the most recent is 2023-03-29. 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
2023-03-29BUY신규선임
서영교
Seo Young-kyo
Internal director25.4K₩8,397-7.3%₩213M ($148K)

Frequently asked questions

Who has been buying One Biogen stock?
0 distinct insiders have filed 0 disclosed insider purchases in One Biogen (307280), most recently on 2023-03-29. 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 One Biogen have?
One Biogen has 0 buy-side and 0 sell-side disclosures on record, spanning 2023-03-29 to 2023-03-29.
Where does StockDrifts get One Biogen 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 One Biogen. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.