397030 - April Bio Co., Ltd.

397030 Summary
Biopharma
Stock Price & Overview
₩17,800 +1,030 (+6.14%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩17,800  ≈ US$13  ·  Market cap ₩0.5tn (≈ $350m)

397030 Stock Price

20K40K60Kprev 17Kpeak 73KOctNovDecJan ’26FebMarAprMayJunJulAugSep18K
52 Week Range
₩16,770₩73,300
Day Range
₩17,150₩17,970
Market Cap
₩0.5tn
P/E (TTM)
n/a (loss)
P/B
5.06x
P/S (TTM)
676.29x
Volume
208,197
Shares Out
27.6M
Prev. Close
₩16,770
vs 52W High
-75.7%
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.

397030 Analysis

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Nothing written yet for this company.

397030 News

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No news written yet.

397030 Momentum

Period397030KOSDAQDifference
1 week-4.0%-3.0%-1.1%
1 month-29.9%+4.2%-34.1%
3 months-67.5%-22.5%-45.0%
6 months-67.8%-16.9%-51.0%
Year to date-67.6%-12.1%-55.5%
1 year-27.9%+1.0%-28.9%

Closed at 2% of the way from its 52-week low (₩16,770) to its 52-week high (₩73,300).

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

397030 Filings

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DART

Insider / Major Shareholder Holdings Report

Ownership08/28/26title translated
DART

5% Ownership Report — Large Holdings

Ownership08/26/26title translated
DART

Material matter affecting investment judgment

Filing08/21/26title translated
DART

Change of largest shareholder

Filing08/19/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

397030 Company Profile

April Bio Co., Ltd. does research and development in science and engineering in South Korea. It is listed on KOSDAQ, was founded in 2013, is based in Gangwon, and has revenue of under ten billion won.

SectorBiopharmaEmployees
MarketKOSDAQFounded2013
Korean name에이프릴바이오Head officeGangwon

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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.