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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 2026-01-09 Major Shareholding Noti…
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
[기재정정]주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a regulatory filing in South Korea (often referred to as a 5% rule filing). It details changes in share ownership, including corrections to previous filings. This falls under the category of Major Shareholding Notification (MRQ).
2026-01-09 Korean
[기재정정]주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding), which is a regulatory filing in South Korea (often referred to as a 5% rule filing). It details changes in share ownership, identifies special related parties, and provides a summary of holdings. This falls under the category of 'Major Shareholding Notification' (MRQ) as it tracks significant ownership thresholds and changes in shareholding structure.
2026-01-09 Korean
[기재정정]주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a '주식등의 대량보유상황보고서' (Report on Large Shareholding of Stocks, etc.), which is a standard regulatory filing in South Korea (often referred to as the 5% rule filing). It details changes in share ownership, special relationships, and voting rights for the company '(주)한울소재과학'. Since it is a specific regulatory disclosure regarding major shareholding thresholds and changes, it falls under the 'Major Shareholding Notification' category.
2026-01-09 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 100% confidence The document is a 'Report of Large Shareholding' (주식등의 대량보유상황보고서), which is a standard regulatory filing in South Korea (often referred to as a 5% rule filing). It details changes in share ownership, special relationships, and the purpose of holding (in this case, simple investment). This falls under the category of Major Shareholding Notification.
2026-01-09 Korean
[기재정정]신규시설투자등
Regulatory Filings Classification · 95% confidence The document is a regulatory filing from a Korean company (Hanul Material Science) regarding a 'Correction Report' (정정신고) for a 'New Facility Investment' (신규시설투자). It details changes to investment amounts, timelines, and capital figures. Since this is a specific regulatory disclosure regarding corporate investment activities that does not fit into categories like M&A, dividends, or financial reports, it is classified as a general regulatory filing.
2025-12-29 Korean
[기재정정]타법인주식및출자증권취득결정(자율공시)(종속회사의주요경영사항)
M&A Activity Classification · 95% confidence The document is a regulatory filing from a Korean company (Hanul Material Science) regarding an amendment to a previous disclosure about the acquisition of shares in another company. It details the change in the expected acquisition date and provides financial information about the target company. This falls under the category of general regulatory announcements or corporate disclosures that do not fit into specific categories like M&A (which usually implies a full takeover or merger) or share issuance. Given the nature of the disclosure as a 'major management matter' (자율공시), it is best classified as a Regulatory Filing (RNS).
2025-12-29 Korean

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