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 |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 14, 2026 | — |
| 4 | Insider transaction | Jun 18, 2026 | Jun 17, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 13, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 25, 2026 |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 4 | Insider transaction | Nov 28, 2025 | Nov 26, 2025 |
| 144 | Notice of proposed sale | Nov 24, 2025 | — |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 144 | Notice of proposed sale | Aug 13, 2025 | — |
| 4 | Insider transaction | Aug 7, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Jul 18, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 1, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 5, 2025 | May 1, 2025 |
| 3 | Initial insider ownership | May 2, 2025 | May 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| 3 | Initial insider ownership | Mar 11, 2025 | Mar 5, 2025 |
| 3 | Initial insider ownership | Mar 10, 2025 | Mar 1, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 7, 2025 | — |
| 4/A | Form 4/a | Feb 27, 2025 | May 1, 2024 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 4 | Insider transaction | Nov 12, 2024 | Nov 8, 2024 |
| 144 | Notice of proposed sale | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2024 | — |
| 144 | Notice of proposed sale | Aug 26, 2024 | — |
| 4/A | Form 4/a | Jun 20, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 16, 2024 |
| 3 | Initial insider ownership | Jun 17, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 1, 2024 |
| 3 | Initial insider ownership | May 6, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 144 | Notice of proposed sale | Apr 29, 2024 | — |
| 4 | Insider transaction | Mar 20, 2024 | Mar 18, 2024 |
| 3 | Initial insider ownership | Mar 18, 2024 | Mar 18, 2024 |
| 4/A | Form 4/a | Mar 12, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 27, 2024 | — |
| 4/A | Form 4/a | Feb 26, 2024 | Feb 22, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 22, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 22, 2024 |
| 144 | Notice of proposed sale | Feb 22, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 31, 2024 |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 144 | Notice of proposed sale | Jan 31, 2024 | — |
| 144 | Notice of proposed sale | Jan 30, 2024 | — |
| 144 | Notice of proposed sale | Jan 30, 2024 | — |
| 144 | Notice of proposed sale | Jan 30, 2024 | — |
| 144 | Notice of proposed sale | Jan 30, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| 4 | Insider transaction | Jan 3, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 8, 2023 |
| 4 | Insider transaction | Aug 18, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 14, 2023 | Aug 10, 2023 |
| 4 | Insider transaction | Aug 11, 2023 | Aug 10, 2023 |
| 144 | Notice of proposed sale | Aug 10, 2023 | — |
| 144 | Notice of proposed sale | Aug 9, 2023 | — |
| 4 | Insider transaction | Aug 9, 2023 | Aug 8, 2023 |
| 144 | Notice of proposed sale | Aug 7, 2023 | — |
| 4 | Insider transaction | Aug 4, 2023 | Aug 3, 2023 |
| 144 | Notice of proposed sale | Aug 3, 2023 | — |
| 4 | Insider transaction | Jun 13, 2023 | Jun 9, 2023 |
| 4 | Insider transaction | Jun 13, 2023 | Jun 9, 2023 |
| 4 | Insider transaction | Jun 13, 2023 | Jun 9, 2023 |
| 3 | Initial insider ownership | Jun 8, 2023 | Jun 5, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 10, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 1, 2023 |
| 4 | Insider transaction | Mar 15, 2023 | Mar 13, 2023 |
| 4 | Insider transaction | Mar 15, 2023 | Mar 13, 2023 |
| 4 | Insider transaction | Mar 15, 2023 | Mar 13, 2023 |
| 144 | Notice of proposed sale | Feb 27, 2023 | — |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 24, 2023 | Feb 22, 2023 |
| 4 | Insider transaction | Feb 21, 2023 | Feb 18, 2023 |
| 144 | Notice of proposed sale | Feb 21, 2023 | — |
| 4 | Insider transaction | Feb 21, 2023 | Feb 16, 2023 |
| 144 | Notice of proposed sale | Feb 16, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Feb 1, 2023 | Feb 1, 2023 |
| 144 | Notice of proposed sale | Jan 31, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2023 | — |
| 4/A | Form 4/a | Jan 5, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Jan 4, 2023 | Jan 2, 2023 |
| 4 | Insider transaction | Dec 13, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Dec 13, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Dec 13, 2022 | Dec 9, 2022 |
| 4 | Insider transaction | Nov 22, 2022 | Nov 18, 2022 |
| 144 | Notice of proposed sale | Nov 16, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 10, 2022 | — |
| 4 | Insider transaction | Sep 12, 2022 | Sep 9, 2022 |
| 4 | Insider transaction | Sep 12, 2022 | Sep 9, 2022 |
| 4 | Insider transaction | Sep 12, 2022 | Sep 9, 2022 |
Showing 200 filings, the most recent 200. 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.