Skip to main content
HanWool Materials Science, Inc. logo

HanWool Materials Science, Inc. — Investor Relations & Filings

Ticker · 091440 ISIN · KR7091440008 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
Open in API
Filings indexed 385 across all filing types
Latest filing 2026-06-10 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 · 92% confidence The document is a detailed ‘주식등의 대량보유상황보고서(약식)’ (Large Shareholding Situation Report, simplified) including tables on holdings, changes, corrected amounts, and reasons. It is not an AGM presentation, earnings release, or annual report but a regulatory filing notifying a change in significant share ownership. This matches the Major Shareholding Notification category.
2026-06-10 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 95% confidence The document is titled “주식등의 대량보유상황보고서” (Report of large shareholding) and provides detailed disclosure of shareholdings, changes in ownership, and thresholds per Korean capital markets law. This matches the definition of Major Shareholding Notification (MRQ). It is neither an annual report nor a management change announcement but a regulatory disclosure of significant shareholdings.
2026-06-10 Korean
주식등의대량보유상황보고서(약식)
Major Shareholding Notification Classification · 93% confidence The document is a Korean ‘주식등의 대량보유상황보고서(약식)’ notifying the amount and change of large shareholdings by an institutional investor (신기술투자조합). This is a mandatory disclosure of crossing shareholding thresholds, matching the "Major Shareholding Notification" definition (MRQ). It is not a management change, earnings release, or general regulatory notice but a specific large‐shareholder disclosure.
2026-06-10 Korean
[기재정정]주주총회소집결의
Regulatory Filings Classification · 85% confidence The document is a notice (and correction) of convocation for a shareholders’ meeting (임시주주총회 소집결의), providing meeting date, location, agenda items, and amendment details. It is not a financial report, proxy materials with detailed solicitation forms, or an annual/interim report. It is a regulatory announcement under Korean disclosure rules that does not fit into a more specific category, so it defaults to the general Regulatory Filings category.
2026-05-28 Korean
[기재정정]신주인수권행사
Share Issue/Capital Change Classification · 85% confidence The document is a regulatory disclosure detailing the exercise of warrants (“신주인수권행사”), showing the number of shares issued, percentages of outstanding shares, exercise dates, and amended listing schedule. This constitutes an announcement of a capital change via new share issuance. According to the filing definitions, such notices fall under “Share Issue/Capital Change” (SHA).
2026-05-21 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 92% confidence The document is titled “분기보고서” (Quarterly Report) covering the first quarter of fiscal 2026 (2026.01.01–2026.03.31). It is filed with the Financial Services Commission and Korea Exchange, includes detailed company overview, business activities, capital changes, share movements, and actual financial data for the quarter. This matches the criteria for an Interim/Quarterly Report rather than an announcement or earnings release. Therefore, it should be classified as IR. Q1 2026
2026-05-15 Korean

Browse filings by year

9 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.