S-Prism
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
S-Prism makes hydrogen fuel cells, devices that convert hydrogen or natural gas into electricity and heat, for buildings, power generation, and transport applications.
Its building-use fuel cells supply electricity and heat to commercial buildings, apartments, hospitals, and data centres, while its larger power-generation units connect to the electricity grid. Listed on KOSDAQ, Korea's tech and small-cap exchange, the company earns the majority of its consolidated revenue from building-use fuel cells, with power-generation fuel cells and fuel-cell power-plant operations making up most of the remainder.
Summary is AI-generated and may contain errors · figures from DART filings
The consolidated group includes a subsidiary, S-Mobility, which handles transport-use fuel cells as a separate business line alongside the parent's building and power-generation activities.
S-Prism in five facts
What does S-Prism do?
S-Prism makes hydrogen fuel cells, devices that convert hydrogen or natural gas into electricity and heat, for buildings, power generation, and transport applications.
Where is S-Prism listed and in which sector?
S-Prism (Korean name: 에스프리즘) trades under KRX code 288620 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Electrical Equipment.
How large is S-Prism?
Its market capitalisation was US$19.6M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were S-Prism's latest annual revenue and operating profit?
For fiscal year 2025, S-Prism reported revenue of US$11.9M, an operating loss of US$11.3M and a net loss of US$16.5M, per its annual report on DART (data retrieved from DART on 2026-06-03). Revenue was down 53.1% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-03
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Supply contract signed
S-Prism disclosed a supply contract with GT ENG Co., Ltd., worth US$2.43M, about 23.3% of its recent annual revenue, running through Dec 2026.
Supply contract · Jun 16 - Supply contract signed
S-Prism disclosed a supply contract with Hyundai Engineering & Construction, worth US$2.63M, about 24.9% of its recent annual revenue, running through Nov 2027.
Supply contract · May 14 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
S-Prism reported consolidated results for FY2025: revenue of US$11.1M (−55.1% year on year), an operating loss of US$10.5M and a net loss of US$16.1M.
Earnings · Feb 26 - Early redemption of convertible bonds (incl. overseas CBs)Capital raise · Jan 28