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OCI Company Ltd. — Investor Relations & Filings

Ticker · 456040 ISIN · KR7456040005 LEI · 988400XZQA7CG16LDK87 KO Manufacturing
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Filings indexed 217 across all filing types
Latest filing 2026-05-29 Governance Information
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
기업지배구조보고서공시
Governance Information Classification · 95% confidence The document is a detailed corporate governance report (“기업지배구조 보고서”) covering governance structure, board composition, compliance with governance codes, committees, and shareholder meeting procedures. It is not an announcement of a meeting nor a financial statement or proxy solicitation, but a substantive governance information disclosure. This matches the Governance Information category (CGR).
2026-05-29 Korean
지속가능경영보고서등관련사항(자율공시)
Environmental & Social Information Classification · 89% confidence The document is a sustainability (ESG) integrated report (“지속가능경영보고서”) covering environmental, social, and governance performance, referencing GRI standards, TCFD, SASB, and including ESG data. This aligns with the Environmental & Social Information category rather than a financial annual report or investor presentation.
2026-05-29 Korean
대규모기업집단현황공시[연1회공시및1/4분기용(개별회사)]
Regulatory Filings Classification · 87% confidence The document is a statutory annual conglomerate status disclosure (“기업집단현황공시”) under Korean regulations, detailing group structure, affiliates, governance/board operations, related‐party transactions, shareholding and other compliance tables. It is not an investor‐focused Annual Report (10-K), earnings release, financing update, or management presentation. It is a regulatory compliance filing and does not fit a more specific category, so it falls under the fallback “Regulatory Filings” (RNS).
2026-05-29 Korean
분기보고서 (2026.03)
Interim / Quarterly Report Classification · 98% confidence The document is titled "분기보고서 (제4기 1분기) 2026년 01월 01일~2026년 03월 31일" and contains detailed interim financial statements, segment results, capital changes, and other quarterly disclosures. This matches the definition of an Interim / Quarterly Report rather than an announcement or summary. Q1 2026
2026-05-14 Korean
신탁계약에의한취득상황보고서
Transaction in Own Shares Classification · 90% confidence The document is a detailed acquisition status report (취득상황보고서) for shares acquired under a trust contract by OCI Co., Ltd. It contains actual transaction data, dates, volumes, prices, and details of the trust arrangement for repurchasing its own shares. This matches the definition of “Transaction in Own Shares” (POS) as it reports the company’s buyback activity. It is not a general announcement, earnings release, or financial report, but a regulatory disclosure of share repurchases.
2026-05-12 Korean
최대주주등소유주식변동신고서
Major Shareholding Notification Classification · 91% confidence The document is a ‘최대주주등소유주식변동신고서’ (Report of changes in share ownership by a major shareholder) filed by OCI on 11 May 2026. It details pre- and post-change holdings, the number of shares purchased/sold, and individual breakdowns. This matches the definition of a Major Shareholding Notification (MRQ).
2026-05-11 Korean

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