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028300 - HLB Co., Ltd.

028300 Summary
Biopharma
Stock Price & Overview
₩33,750 +950 (+2.90%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩33,750  ≈ US$24  ·  Market cap ₩4.5tn (≈ $3.2bn)
Why this page exists. Korean issuers file to DART, not the SEC, and almost nothing is published in English. Titles here are translated; where kstock has read the filing, the row carries the explanation and the amount in won and dollars. How we pick »

028300 DART Filings

DART

Adjustment of the conversion price

Filing08/28/26title translated
DART

Securities issuance result (voluntary)

Filing08/19/26title translated
DART

Loss Incurred on Derivatives Trading

Derivatives08/14/26title translated
DART

Half-Year Report

Periodic08/14/26title translated
DART

Material event report (convertible bond issuance)

Filing08/05/26title translated
DART

Sustainability report (voluntary)

Filing07/27/26title translated
DART

Adjustment of the conversion price

Filing07/16/26title translated
DART

Adjustment of the conversion price

Filing07/15/26title translated
DART

Voluntary Disclosure — Other Management Matter

Guidance07/10/26title translated
DART

Market notice (English corporate name)

Filing06/30/26title translated
DART

Grant of stock options

Filing05/18/26title translated
DART

Quarterly Report

Periodic05/15/26title translated
13 routine filings (insider holdings reports, IR schedules)DART

5% Ownership Report — Large Holdings

Ownership08/20/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership08/20/26title translated
DART

5% Ownership Report — Short Form

Ownership08/04/26title translated
DART

5% Ownership Report — Large Holdings

Ownership07/16/26title translated
DART

Investor Relations Event

IR07/08/26title translated
DART

Investor Relations Event

IR06/29/26title translated
DART

Investor Relations Event

IR06/23/26title translated
DART

Investor Relations Event

IR06/18/26title translated
DART

Investor Relations Event

IR06/15/26title translated
DART

5% Ownership Report — Short Form

Ownership06/09/26title translated
DART

Investor Relations Event

IR06/04/26title translated
DART

5% Ownership Report — Short Form

Ownership05/29/26title translated
DART

Investor Relations Event

IR05/29/26title translated
25 filings on file, grouped where one event produced many. Source: DART, operated by Korea's Financial Supervisory Service.

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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.