RF Materials
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
RF Materials makes specialized housings, called compound semiconductor packages, that protect and connect the chips inside wireless communication equipment, fiber-optic networks, laser modules, and military radar and infrared sensor systems.
Its customers span telecommunications infrastructure builders and defense contractors. Listed on KOSDAQ, Korea's tech-focused small-cap board, the company designs and manufactures its packages in-house, including producing the layered ceramic materials that form the core of each package. Military equipment components make up the largest share of its revenue, with telecom packages as the next significant product line.
Summary is AI-generated and may contain errors · figures from DART filings
The company states it was the first in the world to apply certain high-thermal-conductivity heat-sink materials, including its proprietary CPC grades, to packages designed for high-power transistors.
RF Materials in five facts
What does RF Materials do?
RF Materials makes specialized housings, called compound semiconductor packages, that protect and connect the chips inside wireless communication equipment, fiber-optic networks, laser modules, and military radar and infrared sensor systems.
Where is RF Materials listed and in which sector?
RF Materials (Korean name: RF머트리얼즈) trades under KRX code 327260 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Components.
How large is RF Materials?
Its market capitalisation was US$598.7M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were RF Materials's latest annual revenue and operating profit?
For fiscal year 2025, RF Materials reported revenue of US$48.4M, operating profit of US$5.6M and net income of US$7.8M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 44.0% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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) (abbreviated)Oct 2
- Supply contract signedSupply contract · Sep 28
- Report on securities held by executives/major shareholdersSep 17
- Share cancellation decisionSep 8
- Operating results (consolidated) (preliminary) (fair disclosure)
RF Materials filed provisional (unaudited) consolidated results for Q2 2026: revenue of US$17.1M (+51.3% year on year), operating profit of US$3.61M (+182.44% year on year) and net income of US$3.57M (+140.97% year on year).
Earnings · Jul 27 - Ex-rights (bonus issue)
RF Materials will go ex-rights on July 24, 2026 for its bonus share issue, with a base price of US$17.84.
Capital raise · Jul 23 - Trading suspension (bonus issue)
Korea Exchange suspends trading in RF Materials Co., Ltd. common shares for 30 minutes from 13:42 on July 10, 2026 due to a bonus-issue announcement.
Capital raise · Jul 10 - Material event report (bonus issue)
RF Materials Co., Ltd. decides a 1:1 bonus issue of 8,993,704 common shares with a record date of July 27, 2026 and new-share listing expected August 18, 2026.
Capital raise · Jul 10 - Supply contract signedSupply contract · Jun 30
- Subscription results of rights offering or equity-linked bonds (voluntary)Capital raise · Jun 22
- Rights offering: final issue price setCapital raise · Jun 16
- [Amended] Material event report (rights offering)
RF Materials updated the terms of a new share issuance to raise US$27.8M, about 4.1% of its market value.
Capital raise · Jun 16 · 5 versions - Ex-rights (rights offering)Capital raise · May 11
- Rights offering: round 1 issue price setCapital raise · May 11
- Operating results (consolidated) (preliminary) (fair disclosure)
RF Materials filed provisional (unaudited) consolidated results for Q1 2026: revenue of US$13.6M (+69.6% year on year), operating profit of US$2.13M (+274.68% year on year) and net income of US$2.79M (+629.97% year on year).
Earnings · Apr 27 - Supply contract signedSupply contract · Apr 10
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)Earnings · Jan 26
- Operating results (consolidated) (preliminary) (fair disclosure)Earnings · Jan 26