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SecuLetter Co., Ltd. — Investor Relations & Filings

Ticker · 418250 ISIN · KR7418250007 KO Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 120 across all filing types
Latest filing 2026-03-27 Regulatory Filings
Country KR South Korea
Listing KO 418250

About SecuLetter Co., Ltd.

https://www.seculetter.com/en/

SecuLetter Co., Ltd. is a cybersecurity firm specializing in advanced threat detection and malware analysis. The company provides solutions to proactively defend against unknown cyberattacks, including zero-day exploits and ransomware, that leverage non-executable files. Its core technology utilizes a hybrid approach combining AI-driven static and dynamic analysis with automated reverse-engineering. A key differentiator is its Content Disarm and Reconstruction (CDR) technology, which operates on a zero-trust principle to neutralize embedded threats by disarming and rebuilding files into secure versions. SecuLetter's product suite offers protection for various environments, including email security (SLE), file security for internal networks (SLF), and cloud security (DISARM) designed to enhance platforms such as Microsoft 365.

Recent filings

Filing Released Lang Actions
[기재정정]사업보고서제출기한연장신고서 (2025.12)
Regulatory Filings Classification · 90% confidence The document is a Korean regulatory filing titled “사업보고서제출기한연장신고서” (Business Report Submission Deadline Extension Notification), detailing an auditor’s request and reasons for extending the filing deadline of the company’s annual business report. It is not the annual report itself but a regulatory announcement regarding an extension. This falls under the general regulatory announcements (RNS) fallback category.
2026-03-27 Korean
[기재정정]주요사항보고서(유상증자결정)
Share Issue/Capital Change Classification · 95% confidence The document is a Korean ‘주요사항보고서(유상증자결정) 정정신고’, i.e. a statutory major‐event report correcting details of a paid‐in capital increase (유상증자) by third‐party allotment. It contains full disclosure of new share types, numbers, issue price, subscription and listing dates. This is not merely an announcement of publication nor an earnings release or management discussion; it is a detailed form about share issuance. Hence it maps to Share Issue/Capital Change (SHA).
2026-03-26 Korean
사업보고서제출기한연장신고서 (2025.12)
Regulatory Filings Classification · 95% confidence The document is a formal 'Report Submission Deadline Extension Notice' (사업보고서제출기한연장신고서) filed by Seculetter Co., Ltd. to the Financial Services Commission and the Korea Exchange. It explains that the company cannot meet the statutory deadline for submitting its annual report due to delays in the audit process by its accounting firm. Since this is a regulatory notification regarding the timing and status of a report filing rather than the annual report itself, it falls under the category of regulatory filings.
2026-03-20 Korean
기타경영사항(자율공시) (감사보고서 제출 지연)
Audit Report / Information Classification · 95% confidence The document is a regulatory filing from a Korean company (SecuLetter) announcing a delay in the submission of its audit report. It is a short, formal notification regarding a regulatory compliance issue (audit report submission deadline) rather than the audit report itself. Since it does not fit into specific categories like M&A, dividends, or director dealings, it falls under the general regulatory filing category. FY 2025
2026-03-20 Korean
[기재정정]주요사항보고서(유상증자결정)
Share Issue/Capital Change Classification · 100% confidence The document is a 'Major Matters Report' (주요사항보고서) regarding a 'Decision on Paid-in Capital Increase' (유상증자결정) for SecuLetter Co., Ltd. It details the amendment of payment dates and listing dates for a third-party capital increase. This type of filing is a standard regulatory disclosure in the Korean market (DART system) concerning capital structure changes and share issuance. According to the provided definitions, 'Share Issue/Capital Change' (SHA) is the most accurate category for announcements regarding new share issues and capital changes.
2026-03-17 Korean
[기재정정]주주총회소집공고
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a formal 'Notice of General Meeting of Shareholders' (주주총회소집공고) for Seculetter Co., Ltd. It includes the meeting agenda, details on voting procedures (including electronic voting), and financial statements (balance sheet, income statement, etc.) to be approved at the meeting. This type of document is a standard proxy solicitation material sent to shareholders to inform them of the upcoming meeting and request their votes on specific agenda items, which falls under the 'Proxy Solicitation & Information Statement' category.
2026-03-13 Korean

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