Udmtek
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Udmtek makes software that reads and interprets the internal control programs running inside industrial machines, helping factory operators detect faults, reproduce process events, and predict equipment failures before they occur.
Its flagship product, OPTRA Black-box, is used in automated manufacturing lines and accounts for the large majority of company revenue, with the remainder coming from related professional services. Manufacturers in the automotive, secondary battery, and electronics industries are among its current customers, and the company is extending its platform to other sectors where automated systems operate. Udmtek is listed on KOSDAQ, South Korea's tech and small-cap exchange.
Summary is AI-generated and may contain errors · figures from DART filings
Udmtek in five facts
What does Udmtek do?
Udmtek makes software that reads and interprets the internal control programs running inside industrial machines, helping factory operators detect faults, reproduce process events, and predict equipment failures before they occur.
Where is Udmtek listed and in which sector?
Udmtek (Korean name: 유디엠텍) trades under KRX code 389680 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Software.
How large is Udmtek?
Its market capitalisation was US$17.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Udmtek's latest annual revenue and operating profit?
For fiscal year 2025, Udmtek reported revenue of US$2.4M, an operating loss of US$2.8M and a net loss of US$2.6M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 47.1% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Report on securities held by executives/major shareholdersOct 14
- DisclosureOct 8
- Other market noticeOct 7
- Other market notice (delisting risk notice: market cap below threshold)Oct 1
- [Amended] Change of CEOSep 29
- Report on large shareholdings (5% rule) (abbreviated)Sep 29
- Change of CEOSep 28
- Results of extraordinary shareholders' meetingSep 28
- Appointment/dismissal/resignation of an independent directorSep 28
- [Amended] Supply contract signed
Udmtek updated a previously disclosed supply contract with Jinsung T E C, now worth US$849K, about 35.6% of its recent annual revenue, running through Sep 2027.
Supply contract · Sep 11 · 2 versions - [Amended] Resolution to convene a general shareholders' meeting (extraordinary meeting)Sep 11
- [Amended] DisclosureSep 11
- Notice of general shareholders' meetingSep 11
- [Amended] Resolution to convene a general shareholders' meeting (extraordinary meeting)Aug 31
- [Amended] Supply contract signed
Udmtek updated a previously disclosed supply contract with BHflex vina CO.,LTD, now worth US$472K, about 10.74% of its recent annual revenue, running through Sep 2026.
Supply contract · Aug 28 - Supply contract terminated
Udmtek terminated, effective July 20, 2026, its US$694K Smart Air Care Platform-based operation and management service supply contract with The One Systems Co., Ltd. (31.84% of recent revenue) due to the counterparty's breach of contract, including alleged embezzlement by the counterparty's management.
Supply contract · Jul 20 - Supply contract signed (voluntary)
Udmtek disclosed a supply contract with Wintech SA Co., Ltd., worth US$195K, about 9.34% of its recent annual revenue, running through Apr 2027.
Supply contract · Jun 18 - Supply contract signedSupply contract · Jun 10
- [Amended] Supply contract signed
Udmtek updated a previously disclosed supply contract with BHflex vina CO.,LTD, now worth US$436K, about 10.74% of its recent annual revenue, running through Aug 2026.
Supply contract · May 29 - [Amended] Supply contract signed
Udmtek updated a previously disclosed supply contract with BHflex vina CO.,LTD, now worth US$442K, about 10.74% of its recent annual revenue, running through May 2026.
Supply contract · Apr 30 - Trading suspension (share consolidation/split registration)M&A · Apr 9
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Udmtek reported separate results for FY2025: revenue of US$2.21M (−47.08% year on year), an operating loss of US$2.48M and a net loss of US$2.38M.
Earnings · Feb 11