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.

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