Korea Advanced Materials
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Korea Advanced Materials makes optical components that split and route light signals inside fiber-optic networks, enabling high-speed data to travel across broadband subscriber lines and long-distance telecommunications links.
Its products, including optical power splitters, wavelength-division devices, and optical measurement instruments, are supplied to telecom carriers and network-equipment makers in South Korea and in markets across North America, Europe, Asia, and India. The company is listed on KOSDAQ, South Korea's tech-focused small-cap exchange, and has extended its product lineup into components used inside data-center transceivers and fifth-generation mobile fronthaul multiplexers.
Summary is AI-generated and may contain errors · figures from DART filings
The company developed its core planar lightwave circuit technology independently, which it describes as the foundation for its entire product portfolio.
Korea Advanced Materials in five facts
What does Korea Advanced Materials do?
Korea Advanced Materials makes optical components that split and route light signals inside fiber-optic networks, enabling high-speed data to travel across broadband subscriber lines and long-distance telecommunications links.
Where is Korea Advanced Materials listed and in which sector?
Korea Advanced Materials (Korean name: 한국첨단소재) trades under KRX code 062970 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Hardware & Devices.
How large is Korea Advanced Materials?
Its market capitalisation was US$53.5M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Korea Advanced Materials's latest annual revenue and operating profit?
For fiscal year 2025, Korea Advanced Materials reported revenue of US$2.7M, an operating loss of US$2.6M and a net loss of US$9.6M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 45.0% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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 large shareholdings (5% rule) (abbreviated)Sep 17
- Report on securities held by executives/major shareholdersSep 17
- Report on large shareholdings (5% rule) (standard)Sep 17
- Decision to acquire shares/equity in another company
Korea Advanced Materials disclosed an acquisition of Lucent Investment Partnership, worth US$10.9M.
M&A · Sep 11 - [Amended] Conversion price adjustmentSep 11
- [Amended] Securities issuance results (voluntary)Sep 10
- Securities issuance results (voluntary)Sep 10
- Securities issuance results (voluntary)Sep 10
- Conversion price adjustmentSep 10
- Decision to acquire shares/equity in another company
Korea Advanced Materials disclosed an acquisition of Lucent Investment Partnership, worth US$5.16M.
M&A · Sep 4 - Material event report (convertible bonds)
Korea Advanced Materials disclosed convertible bonds to raise US$7.14M, about 10.1% of its market value.
Capital raise · Sep 2 - Material event report (convertible bonds)
Korea Advanced Materials disclosed convertible bonds to raise US$3.68M, about 5.2% of its market value.
Capital raise · Sep 2 - Report on large shareholdings (5% rule) (standard)Sep 2
- Report on securities held by executives/major shareholdersSep 2
- Report on securities held by executives/major shareholdersSep 2
- Report on securities held by executives/major shareholdersSep 1
- Report on large shareholdings (5% rule) (standard)Sep 1
- [Amended] Change of largest shareholder
Korea Advanced Materials Co., Ltd. amended its August 26, 2026 disclosure on the change of its largest shareholder to correct an error and add detail, revising the "largest shareholder after the change" from "Nakamoto Investment Partnership" to "Nakamoto Investment Partnership and 1 other." The change followed former largest shareholder Satoshi Holdings Co., Ltd.'s transfer, on August 26, 2026, of 2,214,710 shares (7.76%) to Nakamoto Investment Partnership for US$4.91M and 1,251,346 shares (4.38%) to Flake Co., Ltd. for US$2.77M, paid for using Satoshi Holdings' Series 10 and Series 12 convertible bonds.
Ownership change · Aug 31 · 2 versions - Other market noticeAug 31
- Subscription results of rights offering or equity-linked bonds (voluntary)
Korea Advanced Materials' general public offering of common shares was oversubscribed at a 137.91% subscription rate, with 2,176,400 shares subscribed against 1,578,116 shares planned; allotment/refund is scheduled for August 27, 2026 and listing of the new shares for September 11, 2026.
Capital raise · Aug 26 - Rights offering: final issue price set
Korea Advanced Materials Co., Ltd. finalized the issue price of its rights offering of 1,578,116 common shares (par value US$0.72) at US$1.37 per share on 2026-08-19, calculated by applying a 25% discount to the weighted average share price under applicable regulations.
Capital raise · Aug 20 - [Amended] Material event report (rights offering)
Korea Advanced Materials updated the terms of a public offering to raise US$2.16M, about 3.1% of its market value.
Capital raise · Aug 20 · 2 versions - Material event report (convertible bonds)
Korea Advanced Materials disclosed convertible bonds to raise US$3.44M, about 5.2% of its market value.
Capital raise · Jul 28 - Material event report (decision to redeem own convertible bonds early)
Korea Advanced Materials Co., Ltd. will redeem US$3.41M in face value of its 3rd-series convertible bonds before maturity by offsetting the redemption price against the subscription price for a newly issued 4th-series CB of the same amount, with the 3rd-series bonds to be retired; the conversion price was adjusted to US$3.83 following a 2:1 share consolidation effective July 21, 2026.
Capital raise · Jul 27 - Trading suspension (share consolidation/split registration)
Korea Advanced Materials Co., Ltd. common shares were suspended from trading from July 16, 2026 until the day before the new share certificates are listed as changed, due to a change in electronic registration from a stock consolidation.
M&A · Jul 13 - Material event report (equity acquisition)M&A · Jun 4
- Decision to acquire shares/equity in another company
Korea Advanced Materials disclosed an acquisition of S Value Investment Partnership, worth US$4.48M.
M&A · Jun 2 - Material event report (convertible bonds)
Korea Advanced Materials disclosed convertible bonds to raise US$6.65M, about 10.5% of its market value.
Capital raise · May 22 - Ex-rights (bonus issue)Capital raise · Mar 23
- Subscription results of rights offering or equity-linked bonds (voluntary)Capital raise · Mar 18
- Subscription results of rights offering or equity-linked bonds (voluntary)Capital raise · Mar 12
- Rights offering: final issue price setCapital raise · Mar 9
- [Amended] Material event report (paid-in and bonus issue)
Korea Advanced Materials updated the terms of a new share issuance to raise US$19.5M, about 30.3% of its market value.
Capital raise · Mar 9 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Korea Advanced Materials reported separate results for FY2025: revenue of US$2.43M (−44.95% year on year), an operating loss of US$2.32M and a net loss of US$8.68M.
Earnings · Feb 6 - Ex-rights (rights offering)Capital raise · Jan 28
- Rights offering: round 1 issue price setCapital raise · Jan 28
- [Amended] Material event report (paid-in and bonus issue)Capital raise · Jan 28