377740 - Bio Note, Inc.

377740 Summary
Medical Devices
Stock Price & Overview
₩4,790 -10 (-0.21%) Close · Sep 4, 2026 KST
KOSPI | ₩KRW | Close: ₩4,790  ≈ US$3  ·  Market cap ₩0.5tn (≈ $349m)

377740 Stock Price

5K6Kprev 5Kpeak 6KOctNovDecJan ’26FebMarAprMayJunJulAugSep5K
52 Week Range
₩4,365₩6,230
Day Range
₩4,735₩4,850
Market Cap
₩0.5tn
P/E (TTM)
n/a (loss)
P/B
0.31x
P/S (TTM)
3.86x
P/CF (TTM)
10.71x
Volume
41,639
Shares Out
101.9M
Prev. Close
₩4,800
vs 52W High
-23.1%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

377740 Analysis

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Nothing written yet for this company.

377740 News

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No news written yet.

377740 Momentum

Period377740KOSPIDifference
1 week-0.2%-1.5%+1.3%
1 month+6.0%+5.2%+0.8%
3 months+1.6%-22.6%+24.2%
6 months-6.3%+31.3%-37.6%
Year to date-12.4%+58.7%-71.1%
1 year-15.1%+108.9%-124.0%

Closed at 23% of the way from its 52-week low (₩4,365) to its 52-week high (₩6,230).

Price return on KRX closes, KOSPI on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

377740 Filings

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DART

Half-Year Report

Periodic08/13/26title translated
DART

Preliminary Consolidated Results (Fair Disclosure)

Earnings08/06/26title translated
DART

Corporate governance report

Filing05/29/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership05/29/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

377740 Company Profile

Bio Note, Inc. makes medical supplies and devices in South Korea. It is listed on KOSPI, was founded in 2003, is based in Gyeonggi, and has revenue of hundreds of billions of won.

SectorMedical DevicesEmployees
MarketKOSPIFounded2003
Korean name바이오노트Head officeGyeonggi

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.