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Dong-Ah Geological Engineering Company LTD. — Investor Relations & Filings

Ticker · 028100 ISIN · KR7028100006 KO Construction
Open in API
Filings indexed 476 across all filing types
Latest filing 2026-05-18 Regulatory Filings
Country KR South Korea
Listing KO 028100

About Dong-Ah Geological Engineering Company LTD.

https://www.dage.co.kr/en/

Dong-Ah Geological Engineering Company LTD. is a specialized civil engineering firm focused on geotechnical solutions. The company's core activities encompass tunnelling, ground improvement, and general civil engineering for large-scale infrastructure projects. Key services include the construction of tunnels using Shield Tunnel Boring Machines (TBM), ground stabilization via the Deep Cement Mixing (DCM) method, and foundational work such as diaphragm walls and bored piles. The company provides comprehensive services from initial site investigation and design to final construction, serving projects in the transportation, maritime, and energy sectors.

Recent filings

Filing Released Lang Actions
[기재정정]단일판매ㆍ공급계약체결
Regulatory Filings Classification · 82% confidence The document is a Korean regulatory disclosure concerning the correction and details of a ‘single sales/supply contract’ (“단일판매ㆍ공급계약체결”). It lists contract terms, counterparty, amounts, periods, and related link to the original filing. It does not contain financial statements, earnings highlights, AGM materials, management changes, share transactions, dividends, financing activities, or merger/takeover details. It is not a full financial report but a specific corporate event disclosure, thus falling into the fallback category for miscellaneous regulatory announcements: Regulatory Filings (RNS).
2026-05-18 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 95% confidence The document is titled “분기보고서 (제 54 기) 2026년 01월 01일 ~ 2026년 03월 31일” and contains detailed quarterly financial statements, business review, management analysis, audit opinions and other substantive financial data for the first quarter. It is not merely an announcement or summary but the full quarterly report itself. Therefore it is classified as an Interim / Quarterly Report. Q1 2026
2026-05-15 Korean
[기재정정]단일판매ㆍ공급계약체결
Capital/Financing Update Classification · 95% confidence The document is a notification of a contract signing and a correction to a previously reported contract amount. It details the contract amount, counterparties, contract period, and other related information. The document is short (2329 characters) and focuses on a single sales and supply contract, including a correction to the contract amount. There are no financial statements, comprehensive financial data, or management discussion. It is an announcement related to a capital contract or sales contract update. This fits best under Capital/Financing Update (CAP) as it relates to contract signing and changes in contract amounts affecting company capital or revenue recognition. It is not an annual or interim report, audit report, or earnings release. It is not a regulatory filing or report publication announcement because it contains substantive contract details rather than just a notice of report availability.
2026-05-08 Korean
[기재정정]단일판매ㆍ공급계약체결
Regulatory Filings Classification · 85% confidence The document is a Korean-language regulatory disclosure regarding the execution and subsequent amendment of a single sales and supply contract (contract award details and amended contract amount). It is not an annual or interim report, earnings release, financing announcement, share transaction, dividend notice, or management discussion. It represents a standalone contract execution notice filed as a public regulatory announcement, which falls into the miscellaneous “Regulatory Filings” category (RNS).
2026-04-29 Korean
[기재정정]단일판매ㆍ공급계약체결(자율공시)
Regulatory Filings Classification · 15% confidence The document is a Korean voluntary disclosure (“자율공시”) announcing the entry and subsequent amendment of a single sales and supply contract, including contract terms (amount, period, parties). It is not an earnings release, financial report, AGM materials, management change, share issue, or any other specific category listed. Therefore, it falls under the general regulatory announcements fallback category RNS.
2026-04-27 Korean
단일판매ㆍ공급계약체결
Regulatory Filings Classification · 85% confidence The document is a corporate announcement of a single sales and supply contract (‘단일판매ㆍ공급계약 체결’) including counterparty, contract amount, period, and terms. It is neither an earnings release nor a financial report, board change, dividend, M&A, or other specific type. It is a general regulatory announcement of a material contract, which falls into the fallback category of Regulatory Filings (RNS).
2026-04-09 Korean

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