Skip to main content
ALT Co.,Ltd. logo

ALT Co.,Ltd. — Investor Relations & Filings

Ticker · 172670 ISIN · KR7172670002 KO Manufacturing
Open in API
Filings indexed 131 across all filing types
Latest filing 2025-12-22 Director's Dealing
Country KR South Korea
Listing KO 172670

About ALT Co.,Ltd.

https://www.alt-s.kr/eng/

ALT Co., Ltd. is a company specializing in the back-end processing of non-memory semiconductors. It provides professional testing solutions and services for various integrated circuits, including System-on-Chip (SoC) and Display Driver ICs (DDI). The company serves a global client base of fabless and integrated device manufacturer (IDM) customers, focusing on delivering high-quality product testing.

Recent filings

Filing Released Lang Actions
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' (Report on Ownership of Specific Securities by Executives and Major Shareholders). It details the share ownership changes of an executive (Youn Yong-mo) at ALT Co., Ltd. This is a standard regulatory filing for insider trading/director dealings in the Korean market, which corresponds to the 'Director's Dealing' category.
2025-12-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' (Report on Ownership of Specific Securities by Executives and Major Shareholders). It details the share ownership and specific transaction (장내매수 - open market purchase) of an executive (유현수) at the company '주식회사 에이엘티'. This is a standard regulatory filing for insider trading/director's dealing in the Korean market.
2025-12-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' (Report on Ownership of Specific Securities by Executives and Major Shareholders). It details a transaction (장내매수 - open market purchase) of shares by an executive (이태희) of the company (주식회사 에이엘티). This is a standard regulatory filing for insider trading/director dealings in the Korean market, which corresponds to the 'Director's Dealing' category.
2025-12-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean Financial Supervisory Service. This type of filing is a standard regulatory requirement for directors and major shareholders to disclose their personal share transactions (insider trading). Based on the provided definitions, this falls under 'Director's Dealing' (DIRS).
2025-12-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is titled '임원ㆍ주요주주 특정증권등 소유상황보고서' (Report on Ownership of Specific Securities by Executives and Major Shareholders). It details a transaction (장내매수 - open market purchase) of shares by an executive (전재국, 전무이사) of the company '주식회사 에이엘티'. This is a standard regulatory filing for insider trading/director's dealing in the Korean market, which corresponds to the 'Director's Dealing' category.
2025-12-22 Korean
임원ㆍ주요주주특정증권등소유상황보고서
Director's Dealing Classification · 1% confidence The document is a 'Report on Ownership of Specific Securities by Executives and Major Shareholders' (임원ㆍ주요주주 특정증권등 소유상황보고서) filed with the Korean financial authorities. This type of filing is a standard regulatory requirement for directors or major shareholders to disclose their personal share transactions (insider trading). Based on the provided definitions, this falls under 'Director's Dealing' (DIRS).
2025-12-22 Korean

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.