Skip to main content
OCI Company Ltd. logo

OCI Company Ltd. — Investor Relations & Filings

Ticker · 456040 ISIN · KR7456040005 LEI · 988400XZQA7CG16LDK87 KO Manufacturing
Open in API
Filings indexed 217 across all filing types
Latest filing 2026-02-27 Audit Report / Informat…
Country KR South Korea
Listing KO 456040

About OCI Company Ltd.

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

OCI Company Ltd., established in 1959, is a chemical company specializing in basic chemicals and advanced materials. The company manufactures and supplies a range of high-value products for critical industries. Its core offerings for the semiconductor sector include ultra-high purity polysilicon, semiconductor-grade phosphoric acid, hydrogen peroxide, and pitch for isotropic artificial graphite, supplying major global chip manufacturers. OCI is also expanding its presence in the energy solutions market by developing and producing specialty materials for next-generation silicon anodes used in Li-ion batteries. The company leverages its long-standing technical expertise to provide essential materials that support the growth of advanced technology industries.

Recent filings

Filing Released Lang Actions
대규모기업집단현황공시[분기별공시(개별회사용)]
Audit Report / Information Classification · 95% confidence The document is a quarterly corporate group status disclosure (기업집단현황공시) filed by OCI Co., Ltd. in accordance with South Korean regulatory requirements for large business groups. It details inter-company transactions, debt guarantees, and shareholding structures. As this is a mandatory regulatory filing submitted to a government or exchange authority regarding corporate structure and compliance, it falls under the 'Regulatory Filings' category. Q4 2025
2026-02-27 Korean
지급수단별ㆍ지급기간별지급금액및분쟁조정기구에관한사항
Regulatory Filings Classification · 95% confidence The document is a regulatory disclosure regarding subcontracting payment methods and dispute resolution mechanisms, filed in accordance with Article 13-3 of the Subcontracting Act. It provides specific financial data tables for a defined period (2025.07.01-2025.12.31). Since it is a mandatory regulatory disclosure of specific operational/financial data that does not fit into standard categories like 10-K, IR, or ER, it is classified as a Regulatory Filing (RNS).
2026-02-13 Korean
연결재무제표기준영업(잠정)실적(공정공시)
Earnings Release Classification · 100% confidence The document is a 'Provisional Earnings Disclosure' (영업(잠정)실적) from OCI, which provides key financial highlights (revenue, operating profit, net income) for the fourth quarter of 2025. It explicitly states that these are preliminary figures provided for investor convenience before the final audit. This fits the definition of an Earnings Release (ER), as it is an initial announcement of quarterly financial results containing key highlights rather than a full comprehensive report. Q4 2025
2026-02-09 Korean
매출액또는손익구조30%(대규모법인은15%)이상변경
Management Reports Classification · 95% confidence The document is a regulatory filing from OCI regarding a significant change (over 30%) in revenue or profit structure. It provides preliminary financial results (sales, operating profit, net income) for the fiscal year ending 2025-12-31 compared to the previous year. This is a standard Korean regulatory disclosure (DART system style) for preliminary earnings announcements, which falls under the 'Earnings Release' category as it provides key financial highlights before the final audited report.
2026-02-09 Korean
주요사항보고서(자기주식취득신탁계약체결결정)
Transaction in Own Shares Classification · 100% confidence The document is a 'Major Matters Report' (주요사항보고서) filed with the Financial Supervisory Service/Korea Exchange regarding a decision to enter into a trust agreement for the acquisition of treasury shares (자기주식취득 신탁계약 체결 결정). This is a direct announcement of a company buying back its own shares through a trust, which falls under the 'Transaction in Own Shares' category.
2026-02-09 Korean
동일인등출자계열회사와의상품ㆍ용역거래변경
Regulatory Filings Classification · 95% confidence The document is a regulatory disclosure regarding changes in transactions with affiliated companies (related party transactions) for OCI Co., Ltd. It is filed in accordance with the Fair Trade Act. Since it is a specific regulatory disclosure regarding business operations and transactions that does not fit into categories like financial reports, dividends, or management changes, it falls under the general regulatory filing category.
2026-01-21 Korean

Browse filings by year

4 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.