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bionote 377740

Company
바이오노트bionote
Insiders
1
Buys
4
Total Value
₩19M ($13K)
Avg Return
+15.53%
Last Filing
2026-05-27

bionote (377740) has 4 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩19M ($13K) in reported transaction value. The earliest filing StockDrifts holds for bionote is dated 2024-02-29; the most recent is 2026-05-27. 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 +15.53%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-27BUYMarket Buy
박철세
Park Cheol-se
Outside Director1.9K₩5,000-4.6%₩10M ($7K)
2026-04-15BUY주식매수청구권 행사
김일중
Kim Il-jung
Managing Director160.0K₩5,040+1.8%₩806M ($560K)
2026-03-06BUYMarket Buy
박철세
Park Cheol-se
Outside Director2.0K---
2026-03-05BUY주식매수선택권
조병기
Cho Byeong-gi
CEO320.0K---
2026-03-05BUYMarket Buy
박철세
Park Cheol-se
Outside Director2.0K---
2025-02-05SELL증여
조영식
Cho Young-sik
Chairman-10.0M₩4,850-24.7%₩48.5B ($33.7M)
2025-02-05BUY수증
조혜임
Jo Hye-im
Managing Director10.0M₩4,850+24.7%₩48.5B ($33.7M)
2024-04-12BUY신규선임
조혜임
Jo Hye-im
Managing Director6.7M₩4,040+49.8%₩27.2B ($18.9M)
2024-02-29BUYMarket Buy
박철세
Park Cheol-se
Outside Director2.0K₩4,460+35.6%₩9M ($6K)

Frequently asked questions

Who has been buying bionote stock?
1 distinct insiders have filed 4 disclosed insider purchases in bionote (377740), most recently on 2026-05-27. 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 bionote have?
bionote has 4 buy-side and 0 sell-side disclosures on record, covering ₩19M ($13K) in total reported value, spanning 2024-02-29 to 2026-05-27.
Where does StockDrifts get bionote 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 bionote. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.