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Coset Inc. — Investor Relations & Filings

Ticker · 189350 ISIN · KR7189350002 KO Manufacturing
Open in API
Filings indexed 97 across all filing types
Latest filing 2026-03-24 Declaration of Voting R…
Country KR South Korea
Listing KO 189350

About Coset Inc.

https://coset.com/

Coset Inc. is a manufacturer of optical transmission components for high-speed data communication networks. The company specializes in producing transceiver-ready optical parts, including optical sub-assemblies such as TOSA (Transmitter Optical Sub-Assembly) and ROSA (Receiver Optical Sub-Assembly), and complete transceivers. A key focus is on supporting next-generation network infrastructure, positioning itself as a '400G Ready' and '400GBE' component provider. In addition to its core telecommunications offerings, Coset provides packaging solutions for fiber-coupled laser modules and engages in industrial laser technology for applications in precision processing, medical, and defense.

Recent filings

Filing Released Lang Actions
정기주주총회결과
Declaration of Voting Results & Voting Rights Announcements Classification · 90% confidence The document is titled ‘정기주주총회 결과’ (Annual General Meeting results) and contains detailed voting outcomes for each agenda item (approval of financial statements, amendments to the articles, director elections, etc.), including vote counts and percentages. This matches the definition of a Declaration of Voting Results & Voting Rights Announcement rather than AGM presentation materials or the report itself.
2026-03-24 Korean
사업보고서 (2025.12)
Audit Report / Information Classification · 100% confidence The document is a formal 'Audit Report' (감사보고서) for the company '주식회사 코셋' (Coset Co., Ltd.) for the fiscal years 2024 and 2025. It includes the independent auditor's opinion, financial statements (balance sheet, income statement, statement of changes in equity, cash flow statement), and detailed notes (주석). This is a standalone audit report and financial statement package, not an annual report (10-K) which would typically include management discussion and analysis, business overview, and other non-financial disclosures. Therefore, it is classified as an Audit Report (AR). FY 2025
2026-03-09 Korean
주주총회소집공고
AGM Information Classification · 100% confidence The document is a 'Notice of Annual General Meeting' (주주총회소집공고) for a company named 'Coset'. It contains the meeting agenda, date, location, and detailed management reports (business overview, R&D plans, market analysis) required for shareholder review prior to the meeting. This fits the definition of materials provided for an Annual General Meeting.
2026-03-09 Korean
감사보고서제출
Audit Report / Information Classification · 100% confidence The document is a formal 'Audit Report Submission' (감사보고서 제출) filed by the company 'Coset'. It provides the auditor's opinion (적정/Unqualified), financial highlights for the fiscal year ending 2025-12-31, and details regarding the accounting firm and audit date. This fits the definition of a standalone audit report filing (AR) rather than a full annual report or a mere announcement of publication. FY 2025
2026-03-05 Korean
주주총회소집결의
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a formal notice of a General Meeting of Shareholders (주주총회소집 결의) issued by the company 'Coset'. It details the date, location, agenda items (such as financial statement approval, director appointments, and business purpose changes), and voting procedures. This document is a standard proxy solicitation/notice of meeting sent to shareholders to inform them of the upcoming AGM and request their participation/votes. Therefore, it falls under the Proxy Solicitation & Information Statement category.
2026-03-05 Korean
대표이사변경
Board/Management Information Classification · 100% confidence The document is a formal announcement regarding a change in the company's representative director (CEO). It details the outgoing director, the incoming director, the reason for the change (resignation), and the effective date. This falls directly under the category of Board/Management Information.
2025-12-31 Korean

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