KOSTECSYS. CO., LTD.
Advanced thermal management solutions for semiconductors in power electronics & wireless communications.
355150 | KO
Overview
Corporate Details
- ISIN(s):
- N/A
- LEI:
- Country:
- South Korea
- Address:
- 인천광역시 남동구 남동서로 261 주식회사 코스텍시스, 인천광역시
- Website:
- https://www.kostec.net/en/
- Sector:
- Manufacturing
- Industry:
- Manufacture of electronic components and boards
Description
Established in 1997, KOSTECSYS is a specialized manufacturer of advanced thermal management solutions and components for the semiconductor industry. The company's core competency lies in its proprietary KCMC® materials, which feature low thermal expansion and high heat dissipation, enhancing the performance and reliability of next-generation power semiconductors like SiC and GaN. Its product portfolio includes thermal matching packages, KCMC® and copper base plates, spacers, high-frequency MMIC packages, liquid cold plates, and components for laser modules and photonic integrated circuits. KOSTECSYS serves global markets in power electronics and wireless communications, providing critical components for high-power and high-frequency applications.
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Filings
| Date | Filing | Language | Size | Actions | |
|---|---|---|---|---|---|
| 2025-08-14 00:00 |
Annual Report
[기재정정]사업보고서 (2024.12)
|
Korean | 1.1 MB | ||
| 2025-08-14 00:00 |
Interim Report
반기보고서 (2025.06)
|
Korean | 738.8 KB | ||
| 2025-08-08 00:00 |
Transaction in Own Shares
자기주식처분결과보고서
|
Korean | 23.2 KB | ||
| 2025-08-08 00:00 |
Share Issue/Capital Change
증권발행결과(자율공시) (제2회차 EB)
|
Korean | 6.2 KB | ||
| 2025-07-22 00:00 |
Capital/Financing Update
주요사항보고서(교환사채권발행결정)
|
Korean | 34.4 KB | ||
| 2025-07-22 00:00 |
Transaction in Own Shares
주요사항보고서(자기주식처분결정)
|
Korean | 34.4 KB | ||
| 2025-07-18 00:00 |
M&A Activity
주요사항보고서(유형자산양수결정)
|
Korean | 16.0 KB | ||
| 2025-07-16 00:00 |
Regulatory News Service
풍문또는보도에대한해명 (코스텍시스, 594억 공급 계약 체결…본격 양산 돌입)
|
Korean | 4.1 KB | ||
| 2025-07-08 00:00 |
Regulatory News Service
단일판매ㆍ공급계약체결
|
Korean | 9.5 KB | ||
| 2025-05-15 00:00 |
Quarterly Report
분기보고서 (2025.03)
|
Korean | 686.0 KB | ||
| 2025-04-22 00:00 |
Major Shareholding Notification
임원ㆍ주요주주특정증권등소유상황보고서
|
Korean | 24.5 KB | ||
| 2025-04-22 00:00 |
Major Shareholding Notification
임원ㆍ주요주주특정증권등소유상황보고서
|
Korean | 24.5 KB | ||
| 2025-04-22 00:00 |
Major Shareholding Notification
주식등의대량보유상황보고서(일반)
|
Korean | 128.5 KB | ||
| 2025-04-16 00:00 |
Major Shareholding Notification
최대주주변경
|
Korean | 32.7 KB | ||
| 2025-03-26 00:00 |
Post-Annual General Meeting Information
정기주주총회결과
|
Korean | 20.2 KB |
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Market Data
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Financials & KPIs
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Insider Transactions
| Date | Insider Name | Position | Type | Shares | Value |
|---|---|---|---|---|---|
| No insider transactions recorded for this company. | |||||
