Pentastone Electronics
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Pentastone Electronics makes power amplifier modules, the components inside mobile phones that boost a weak outgoing signal so it can reach a cellular base station, and supplies them to the mobile communications industry.
The company is listed on KOSDAQ, South Korea's tech-focused small-cap exchange. Beyond its core power amplifier and radio-frequency front-end module business, it has expanded through acquisition into factory automation equipment, voice coil motors, and vibration motors, serving industries such as semiconductors, mobile phones, networking, and camera modules.
Summary is AI-generated and may contain errors · figures from DART filings
The company operates consolidated subsidiaries spanning a smart-grid communications business with Korea's state-owned power utility, a new-technology financial investment arm, and a MEMS business.
Pentastone Electronics in five facts
What does Pentastone Electronics do?
Pentastone Electronics makes power amplifier modules, the components inside mobile phones that boost a weak outgoing signal so it can reach a cellular base station, and supplies them to the mobile communications industry.
Where is Pentastone Electronics listed and in which sector?
Pentastone Electronics (Korean name: PS일렉트로닉스) trades under KRX code 332570 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Components.
How large is Pentastone Electronics?
Its market capitalisation was US$252.1M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Pentastone Electronics's latest annual revenue and operating profit?
For fiscal year 2025, Pentastone Electronics reported revenue of US$94.7M, operating profit of US$3M and net income of US$12.4M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 2.7% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Report on large shareholdings (5% rule) (standard)Oct 20
- Report on large shareholdings (5% rule) (standard)Oct 7
- Report on large shareholdings (5% rule) (standard)Sep 23
- Report on large shareholdings (5% rule) (standard)Sep 14
- [Amended] Supply contract signed
Pentastone Electronics updated a previously disclosed supply contract, now worth US$72.6M, about 81.99% of its recent annual revenue, running through Aug 2026.
Supply contract · Aug 14 · 2 versions - Supply contract signed
Pentastone Electronics Co., Ltd. signed a US$20.9M contract on July 22, 2026 to supply high-performance server equipment and components domestically, equal to 24.61% of its most recent revenue, with payment due by November 20, 2026; the counterparty's identity is withheld at its request.
Supply contract · Jul 22 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$1.32M, about 0.5% of its market value.
Capital raise · Apr 23 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$767K, about 0.3% of its market value.
Capital raise · Apr 23 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$849K, about 0.3% of its market value.
Capital raise · Apr 23 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$2.6M, about 0.9% of its market value.
Capital raise · Apr 23 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$1.32M, about 0.5% of its market value.
Capital raise · Apr 23 - Material event report (exchangeable bonds)
Pentastone Electronics disclosed exchangeable bonds to raise US$8.02M, about 2.8% of its market value.
Capital raise · Apr 23 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Pentastone Electronics reported consolidated results for FY2025: revenue of US$86M (+2.7% year on year), operating profit of US$2.86M (−61.3% year on year) and net income of US$11.3M (from a loss a year earlier).
Earnings · Feb 10 - Treasury share acquisition: results reportTreasury Shares · Jan 9