Hyosung Heavy Industries효성중공업
298040 · KOSPI · ₩298040 · 효성중공업
Filings
- Investor relations (IR) event기업설명회(IR)개최(안내공시)Oct 30, 2026Open on DART
Predicted impact: Low
- Decision on Loan Extension금전대여결정Oct 30, 2026Open on DART
Predicted impact: Low
- Preliminary earnings (consolidated)연결재무제표기준영업(잠정)실적(공정공시)Oct 30, 2026Open on DART
Predicted impact: Medium
Preliminary consolidated results with no figures given; market value is large relative to last year's revenue.
- Related-party transaction특수관계인에대한자금대여Oct 30, 2026Open on DART
Predicted impact: Low
Loan to related party; amount not given and similar related-party filings appeared recently.
- Related-party transaction특수관계인과의내부거래Oct 30, 2026Open on DART
Predicted impact: Low
Internal related-party transaction disclosure; similar filings already appeared in the last 14 days.
- Transactions of Goods and Services with Affiliated Companies Held by the Same Person동일인등출자계열회사와의상품ㆍ용역거래Oct 30, 2026Open on DART
Predicted impact: Low
Affiliate goods and services transactions were already disclosed recently; routine fair-trade filing.
- Transactions of Goods and Services with Affiliated Companies Held by the Same Person동일인등출자계열회사와의상품ㆍ용역거래Oct 30, 2026Open on DART
Predicted impact: Low
- Change in Product and Service Transactions with Companies Controlled by the Same Individual동일인등출자계열회사와의상품ㆍ용역거래변경Oct 30, 2026Open on DART
Predicted impact: Low
- Amended: Major sales or supply contract[기재정정]단일판매ㆍ공급계약체결Oct 27, 2026Open on DART
Predicted impact: Low
- Change in largest shareholder's holdings최대주주등소유주식변동신고서Oct 26, 2026Open on DART
Predicted impact: Low
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Oct 26, 2026Open on DART
Predicted impact: Low
- Amended: Major sales or supply contract[기재정정]단일판매ㆍ공급계약체결Sep 30, 2026Open on DART
- Change in largest shareholder's holdings최대주주등소유주식변동신고서Sep 29, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Sep 29, 2026Open on DART
- 5%+ holding report주식등의대량보유상황보고서(일반)Sep 29, 2026Open on DART
- Response to rumour or news report풍문또는보도에대한해명(미확정)Sep 18, 2026Open on DART
- Major sales or supply contract단일판매ㆍ공급계약체결Sep 15, 2026Open on DART
- Major sales or supply contract단일판매ㆍ공급계약체결Sep 15, 2026Open on DART
- Amended: Major sales or supply contract[기재정정]단일판매ㆍ공급계약체결Sep 14, 2026Open on DART
- Disclosure on Large Business Group Status [Quarterly Disclosure (For Individual Company)]대규모기업집단현황공시[분기별공시(개별회사용)]Aug 28, 2026Open on DART
- Investor relations (IR) event기업설명회(IR)개최(안내공시)Aug 27, 2026Open on DART
- Half-year report (Jun 2026)반기보고서 (2026.06)Aug 13, 2026Open on DART
- Matters Concerning Payment Amounts by Payment Method and Payment Period, and Dispute Mediation Bodies지급수단별ㆍ지급기간별지급금액및분쟁조정기구에관한사항Aug 13, 2026Open on DART
- Change in Product and Service Transactions with Companies Controlled by the Same Individual동일인등출자계열회사와의상품ㆍ용역거래변경Aug 13, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Aug 3, 2026Open on DART
- Decision on Assumption of Debt채무인수결정Jul 31, 2026Open on DART
- Investor relations (IR) event기업설명회(IR)개최(안내공시)Jul 31, 2026Open on DART
- Preliminary earnings (consolidated)연결재무제표기준영업(잠정)실적(공정공시)Jul 31, 2026Open on DART
- Change in Product and Service Transactions with Companies Controlled by the Same Individual동일인등출자계열회사와의상품ㆍ용역거래변경Jul 31, 2026Open on DART
- Change in Product and Service Transactions with Companies Controlled by the Same Individual동일인등출자계열회사와의상품ㆍ용역거래변경Jul 31, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Jul 28, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Jul 23, 2026Open on DART
- Amended: Major sales or supply contract[기재정정]단일판매ㆍ공급계약체결Jul 15, 2026Open on DART
- Major management matter relevant to investors투자판단관련주요경영사항Jul 2, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Jul 2, 2026Open on DART
- 5%+ holding report주식등의대량보유상황보고서(약식)Jul 1, 2026Open on DART
- Disclosure Related to Sustainability Management Report, etc. (Voluntary Disclosure)지속가능경영보고서등관련사항(자율공시)Jun 25, 2026Open on DART
- Major sales or supply contract단일판매ㆍ공급계약체결Jun 23, 2026Open on DART
- Major management matter relevant to investors투자판단관련주요경영사항Jun 23, 2026Open on DART
- Investor relations (IR) event기업설명회(IR)개최(안내공시)Jun 22, 2026Open on DART
- Amended: Major sales or supply contract[기재정정]단일판매ㆍ공급계약체결Jun 22, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Jun 18, 2026Open on DART
- Investor relations (IR) event기업설명회(IR)개최(안내공시)Jun 16, 2026Open on DART
- Results of Extraordinary Shareholders' Meeting임시주주총회결과Jun 2, 2026Open on DART
- Report on Appointment, Dismissal, or Mid-Term Resignation of Independent Directors독립이사의선임ㆍ해임또는중도퇴임에관한신고Jun 2, 2026Open on DART
- Insider shareholding report임원ㆍ주요주주특정증권등소유상황보고서Jun 1, 2026Open on DART
- Disclosure of Corporate Governance Report기업지배구조보고서공시May 29, 2026Open on DART
- Disclosure of Large Business Group Status [Annual Disclosure and Q1 Use (Individual Companies)]대규모기업집단현황공시[연1회공시및1/4분기용(개별회사)]May 29, 2026Open on DART
- Reference Document for Proxy Solicitation of Voting Rights의결권대리행사권유참고서류May 18, 2026Open on DART
- Notice of shareholders' meeting주주총회소집공고May 18, 2026Open on DART
Titles in Korean until English translations are added.
Also known as: Hyosung Heavy Industries / 효성중공업 / 298040 / KRX:298040
Source: KRX statistical information