ASTech
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
ASTech makes active ingredients used in sunscreen products, the chemical compounds that absorb or block ultraviolet light in cosmetics.
It supplies these specialty chemicals to global chemical companies and cosmetics contract manufacturers both in Korea and overseas. Listed on KOSDAQ, Korea's tech and small-cap exchange, the company's core product line centres on organic UV-filter ingredients, with its proprietary DHHB-based material representing its primary commercial output.
Summary is AI-generated and may contain errors · figures from DART filings
ASTech has a research collaboration history with Samjin Pharmaceutical, a named Korean drugmaker, and has transferred pharmaceutical production technology to that partner.
ASTech in five facts
What does ASTech do?
ASTech makes active ingredients used in sunscreen products, the chemical compounds that absorb or block ultraviolet light in cosmetics.
Where is ASTech listed and in which sector?
ASTech (Korean name: 에이에스텍) trades under KRX code 453860 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Materials sector, Chemicals.
How large is ASTech?
Its market capitalisation was US$33.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were ASTech's latest annual revenue and operating profit?
For fiscal year 2025, ASTech reported revenue of US$18.5M, an operating loss of US$83.1K and net income of US$1.6M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was down 42.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- [Amended] Treasury share disposal: results report
ASTech Co., Ltd. amended its treasury share disposal results report originally filed January 19, 2026, reducing the common shares actually disposed of from 12,465 to 12,285 shares and the total disposal value from US$137K to US$135K after one of the recipient employees left the company.
Treasury Shares · Jul 21 · 6 versions - Cash/in-kind dividend decision
ASTech declared a cash dividend of US$0.34 per share.
Dividend · Feb 6 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
ASTech reported separate results for FY2025: revenue of US$16.7M (−42.31% year on year), an operating loss of US$74.9K (from a profit a year earlier) and net income of US$1.46M (−77.31% year on year).
Earnings · Feb 6 - [Amended] Material event report (rights offering)Capital raise · Jan 19
- Material event report (treasury share disposal)Treasury Shares · Jan 14
- Securities issuance results (voluntary) (third-party placement)Capital raise · Jan 9