Olin Corporation
    SEC Filings

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    All SEC filings by Olin Corporation (OLN) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.

    Financials

    10-QQuarterly reportView DiffJul 31, 2026
    10-QQuarterly reportView DiffMay 8, 2026
    ARSAnnual report to shareholdersMar 20, 2026
    10-KAnnual reportView DiffFeb 20, 2026
    10-QQuarterly reportView DiffOct 28, 2025
    10-QQuarterly reportView DiffJul 29, 2025
    10-QQuarterly reportView DiffMay 2, 2025
    ARSAnnual report to shareholdersMar 21, 2025
    10-KAnnual reportView DiffFeb 20, 2025
    10-QQuarterly reportView DiffOct 25, 2024

    Events

    8-KOlin and Huntsman Shareholders Approve Transformative Merger of EqualsAug 25, 2026
    8-KCurrent reportAug 17, 2026
    8-KCurrent reportAug 11, 2026
    8-KInvestor Contact Steve KeenanJul 30, 2026
    8-KCurrent reportJun 16, 2026
    8-KCurrent reportJun 16, 2026
    8-K/ASubmission of Matters to a Vote of Security HoldersMay 21, 2026
    8-KOlin Announces First Quarter 2026 ResultsMay 7, 2026
    8-KDeparture of Directors or Certain OfficersApr 30, 2026
    8-KRegulation Fd DisclosureFeb 19, 2026

    Registrations and Prospectuses

    425Business combination disclosureAug 17, 2026
    425Business combination disclosureAug 12, 2026
    S-8Registration of securities for employeesAug 12, 2026
    425Business combination disclosureAug 5, 2026
    425Business combination disclosureJul 31, 2026
    425Business combination disclosureJul 30, 2026
    425Business combination disclosureJul 29, 2026
    425Business combination disclosureJul 22, 2026
    425Business combination disclosureJul 14, 2026
    424B3Prospectus supplementJul 13, 2026

    Proxies

    DEFA14AAdditional proxy soliciting materialsMar 20, 2026
    DEF 14ADefinitive proxyView DiffMar 20, 2026
    DEFA14AAdditional proxy soliciting materialsMar 21, 2025
    DEF 14ADefinitive proxyView DiffMar 21, 2025
    DEFA14AAdditional proxy soliciting materialsMar 15, 2024
    DEF 14ADefinitive proxyView DiffMar 15, 2024
    DEFA14AAdditional proxy soliciting materialsMar 17, 2023
    DEF 14ADefinitive proxyView DiffMar 17, 2023
    DEFA14AAdditional proxy soliciting materialsMar 14, 2022
    DEF 14ADefinitive proxyView DiffMar 14, 2022

    Other

    EFFECTNotice of effectivenessJul 14, 2026
    SDConflict minerals disclosureMay 29, 2026
    SDConflict minerals disclosureMay 29, 2025
    SDConflict minerals disclosureMay 30, 2024
    SDConflict minerals disclosureMay 31, 2023
    SDConflict minerals disclosureMay 27, 2022
    SDConflict minerals disclosureMay 27, 2021
    SDConflict minerals disclosureMay 28, 2020
    SDConflict minerals disclosureMay 20, 2019
    SDConflict minerals disclosureMay 31, 2018

    Ownership

    SC 13GBeneficial ownership reportAug 13, 2026
    SC 13GBeneficial ownership reportJul 14, 2026
    11-KAnnual report of employee stock purchasesJun 24, 2026
    4Carter DeonJun 18, 2026
    4Kohl Florian JJun 3, 2026
    4Florian J KohlMay 19, 2026
    SC 13G/ABeneficial ownership reportMay 13, 2026
    4Julie a PiggottMay 5, 2026
    4Edward DalyMay 5, 2026
    4Earl L ShippMay 5, 2026