OLIN Corp SEC filings OLN
OLIN Corp has 1,006 filings in SEC EDGAR's recent list, going back to Aug 19, 2016. Its latest annual report, Form ARS, was filed on Mar 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 425 | Filing | Aug 18, 2026 | — |
| 425 | Filing | Aug 12, 2026 | — |
| 425 | Filing | Aug 5, 2026 | — |
| 425 | Filing | Jul 31, 2026 | — |
| 425 | Filing | Jul 30, 2026 | — |
| 425 | Filing | Jul 29, 2026 | — |
| 425 | Filing | Jul 22, 2026 | — |
| 425 | Filing | Jul 14, 2026 | — |
| EFFECT | Filing | Jul 13, 2026 | — |
| 425 | Filing | Jul 13, 2026 | — |
| 425 | Filing | Jun 25, 2026 | — |
| 11-K | Employee savings plan report | Jun 24, 2026 | Dec 31, 2025 |
| 425 | Filing | Jun 17, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 11-K | Employee savings plan report | Jun 6, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| 11-K | Employee savings plan report | Jun 6, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 11-K | Employee savings plan report | Jun 6, 2023 | Dec 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 11-K | Employee savings plan report | Jun 7, 2022 | Dec 31, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 11-K | Employee savings plan report | Jun 2, 2021 | Dec 31, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 11-K | Employee savings plan report | Jun 9, 2020 | Dec 31, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2020 | — |
| 11-K | Employee savings plan report | Jun 19, 2019 | Dec 31, 2018 |
| SD | Specialized disclosure (conflict minerals) | May 20, 2019 | — |
| 11-K | Employee savings plan report | Jun 20, 2018 | Dec 31, 2017 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| 11-K | Employee savings plan report | Jun 27, 2017 | Dec 31, 2016 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2017 | — |
| EFFECT | Filing | Sep 6, 2016 | — |
| CORRESP | Letter to the SEC | Sep 1, 2016 | — |
Showing 41 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Chemicals & Allied Products (SIC 2800)
- Listed as
- OLN (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- VA
- Headquarters
- Clayton, MO
- SEC filer status
- Large accelerated filer
- SEC CIK
- 74303
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.