KOSTECSYS. CO., LTD. Logo

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
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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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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Insider Transactions

Date Insider Name Position Type Shares Value
No insider transactions recorded for this company.

Peer Companies

Company Country Ticker View
Shindengen Electric Manufacturing Co.,Ltd. Logo
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Manufactures high-density PCBs and substrates for the global semiconductor industry.
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Sweden SIVE
SK-Electronics CO.,LTD. Logo
Specialized manufacturer of large photomasks for LCDs and other electronic devices.
Japan 6677
SK hynix Inc. Logo
Leading manufacturer of memory semiconductors (DRAM, NAND, HBM) for AI, servers, and mobile.
South Korea 000660

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