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HanWool Materials Science, Inc. — Investor Relations & Filings

Ticker · 091440 ISIN · KR7091440008 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 381 across all filing types
Latest filing 2026-03-31 Regulatory Filings
Country KR South Korea
Listing KO 091440

About HanWool Materials Science, Inc.

http://telefield.com/

HanWool Materials Science, Inc. is a developer and manufacturer of optical transmission and network equipment. The company's product portfolio includes Packet Optical Transport Network (POTN), Multi-Service Provisioning Platform (MSPP), and Carrier Ethernet systems. In addition to its core network hardware business, HanWool Materials Science provides Internet of Things (IoT) solutions through its TELEGUARD service platform and offers System Integration and Network Integration (SI/NI) services. The company is also engaged in developing advanced security solutions, including IP security equipment based on quantum cryptography technology.

Recent filings

Filing Released Lang Actions
본점소재지변경
Regulatory Filings Classification · 85% confidence The document is a short corporate announcement in Korean announcing the change of the company’s registered head office address, with no discussion of financial results, management appointments, share issues, dividends, legal proceedings, or other specialized topics. It does not attach or publish a full report but simply discloses a corporate action. This fits the “Regulatory Filings (RNS)” fallback category for miscellaneous regulatory announcements.
2026-03-31 Korean
감사보고서제출
Audit Report / Information Classification · 95% confidence The document is titled “감사보고서 제출” (Audit Report Submission), contains audit opinions, auditor’s name (삼일회계법인), audit report receipt date, and detailed financial statement summaries. This matches a standalone audit report submission rather than a full annual or interim report. Therefore it is classified as an Audit Report / Information (AR). FY 2025
2026-03-23 Korean
사업보고서 (2025.12)
Audit Report / Information Classification · 95% confidence The document is a standalone independent auditor’s report (“독립된 감사인의 감사보고서”) on the company’s consolidated financial statements, including the auditor’s opinion, audit basis, key audit matters, responsibilities of management and auditor, and the full set of audited consolidated financial statements and notes. This matches the definition of an Audit Report / Information (AR), not a notice or summary announcement. Therefore, the correct classification is AR. FY 2025
2026-03-23 Korean
주식등의대량보유상황보고서(일반)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a standard regulatory filing in South Korea under the Capital Markets Act. This document details changes in share ownership, specifically regarding major shareholding thresholds and contractual changes (such as loan agreements/pledges) by the reporting entity and its special related parties. This falls under the 'Major Shareholding Notification' category.
2026-03-17 Korean
주주총회소집공고
Proxy Solicitation & Information Statement Classification · 95% confidence The document is a 'Notice of General Meeting of Shareholders' (주주총회소집공고) for Hanwool Material Science. It contains the meeting agenda, voting procedures, electronic voting details, and detailed corporate governance information (such as board activity and remuneration). This document is a formal proxy statement and meeting notice sent to shareholders to solicit votes for the upcoming Annual General Meeting. In the context of the provided categories, this aligns with 'Proxy Solicitation & Information Statement' (PSI).
2026-03-16 Korean
의결권대리행사권유참고서류
Proxy Solicitation & Information Statement Classification · 100% confidence The document is titled '의결권대리행사권유참고서류' (Reference Document for Solicitation of Proxy), which is a standard regulatory filing in South Korea (Proxy Solicitation Statement). It contains information regarding the upcoming Annual General Meeting (AGM), including the agenda, proxy solicitation details, and financial statements (balance sheet, income statement, etc.) as reference materials for shareholders. Since this is a formal proxy solicitation document used to request shareholder votes for an AGM, it falls under the 'Proxy Solicitation & Information Statement' category.
2026-03-16 Korean

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