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 |
|---|---|---|---|
| 8-K |
Current report
Material agreement
|
Nov 4, 2026 | Nov 4, 2026 |
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 28, 2026 | Oct 27, 2026 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Aug 25, 2026 | Aug 25, 2026 |
| 425 | Filing | Aug 18, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 18, 2026 | Aug 17, 2026 |
| 425 | Filing | Aug 12, 2026 | — |
| S-8 | Employee stock plan registration | Aug 12, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 11, 2026 | Aug 11, 2026 |
| 425 | Filing | Aug 5, 2026 | — |
| 425 | Filing | Jul 31, 2026 | — |
| 10-Q | Quarterly report | Jul 31, 2026 | Jun 30, 2026 |
| 425 | Filing | Jul 30, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jul 30, 2026 | Jul 30, 2026 |
| 425 | Filing | Jul 29, 2026 | — |
| 425 | Filing | Jul 22, 2026 | — |
| 425 | Filing | Jul 14, 2026 | — |
| EFFECT | Filing | Jul 13, 2026 | — |
| 424B3 | Prospectus | Jul 13, 2026 | — |
| 425 | Filing | Jul 13, 2026 | — |
| S-4/A | Filing | Jul 10, 2026 | — |
| S-4 | Registration for a merger or exchange | Jul 2, 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 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 16, 2026 | Jun 15, 2026 |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 425 | Filing | Jun 16, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 16, 2026 | Jun 16, 2026 |
| 425 | Filing | Jun 16, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K/A |
Amended current report
Shareholder vote results
|
May 21, 2026 | Apr 29, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| S-8 | Employee stock plan registration | Apr 30, 2026 | — |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
Apr 30, 2026 | Apr 29, 2026 |
| ARS | Annual report to shareholders | Mar 20, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Mar 20, 2026 | — |
| DEF 14A | Proxy statement | Mar 20, 2026 | Apr 30, 2026 |
| S-3ASR | Automatic shelf registration | Mar 5, 2026 | — |
| 10-K | Annual report | Feb 20, 2026 | Dec 31, 2025 |
| S-8 POS | 2006 ltip deregistration | Feb 19, 2026 | — |
| S-8 POS | 2000 ltip deregistration | Feb 19, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 19, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 12, 2026 | Feb 12, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 29, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 12, 2025 | Nov 12, 2025 |
| 10-Q | Quarterly report | Oct 28, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 13, 2025 | Aug 12, 2025 |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2025 | Jul 28, 2025 |
| 11-K | Employee savings plan report | Jun 6, 2025 | Dec 31, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2025 | — |
| 10-Q | Quarterly report | May 2, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
May 1, 2025 | May 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2025 | Apr 18, 2025 |
| ARS | Annual report to shareholders | Mar 21, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 21, 2025 | — |
| DEF 14A | Proxy statement | Mar 21, 2025 | May 1, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Mar 14, 2025 | Mar 14, 2025 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Mar 6, 2025 | Mar 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2025 | Feb 28, 2025 |
| 10-K | Annual report | Feb 20, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 20, 2025 | Feb 19, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 5, 2025 | Feb 5, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2025 | Jan 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 21, 2025 | Jan 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 21, 2025 | Jan 21, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Dec 12, 2024 | Dec 11, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2024 | Dec 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2024 | Nov 15, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Nov 20, 2024 | Nov 20, 2024 |
| 10-Q | Quarterly report | Oct 25, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 24, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 1, 2024 | Sep 30, 2024 |
| 8-K | Current report | Sep 6, 2024 | Sep 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 28, 2024 | Aug 28, 2024 |
| 10-Q | Quarterly report | Jul 26, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 25, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 10, 2024 | Jul 10, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 1, 2024 | Jul 1, 2024 |
| 11-K | Employee savings plan report | Jun 6, 2024 | Dec 31, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 23, 2024 | May 23, 2024 |
| 8-K |
Current report
Officer or director change
|
May 17, 2024 | May 13, 2024 |
| 10-Q | Quarterly report | Apr 26, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change, Shareholder vote results, Regulation FD disclosure
|
Apr 25, 2024 | Apr 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 3, 2024 | Apr 3, 2024 |
| ARS | Annual report to shareholders | Mar 15, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Mar 15, 2024 | — |
| DEF 14A | Proxy statement | Mar 15, 2024 | Apr 25, 2024 |
| 10-K | Annual report | Feb 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 21, 2024 | Feb 21, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 20, 2024 | Feb 15, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 20, 2023 | Dec 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 13, 2023 | Dec 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 2, 2023 | Oct 30, 2023 |
| 10-Q | Quarterly report | Oct 27, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 26, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 1, 2023 | Sep 1, 2023 |
| 10-Q | Quarterly report | Jul 28, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs, Impairment, Regulation FD disclosure
|
Jun 20, 2023 | Jun 20, 2023 |
| 11-K | Employee savings plan report | Jun 6, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Jun 5, 2023 | Jun 5, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| 10-Q | Quarterly report | Apr 28, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
|
Apr 27, 2023 | Apr 26, 2023 |
| 8-K |
Current report
Exit or restructuring costs, Impairment, Regulation FD disclosure
|
Mar 21, 2023 | Mar 21, 2023 |
| DEFA14A | Additional proxy material | Mar 17, 2023 | — |
| DEF 14A | Proxy statement | Mar 17, 2023 | — |
| S-3ASR | Automatic shelf registration | Mar 10, 2023 | — |
| 10-K | Annual report | Feb 23, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 26, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Nov 10, 2022 | Nov 9, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Nov 4, 2022 | Jul 20, 2022 |
| 10-Q | Quarterly report | Oct 27, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 26, 2022 | Oct 26, 2022 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Oct 12, 2022 | Oct 11, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 3, 2022 | Oct 3, 2022 |
| 8-K |
Current report
Results of operations
|
Sep 20, 2022 | Sep 20, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 24, 2022 | Aug 24, 2022 |
| 10-Q | Quarterly report | Jul 29, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Officer or director change
|
Jul 20, 2022 | Jul 20, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 14, 2022 | Jun 14, 2022 |
| 11-K | Employee savings plan report | Jun 7, 2022 | Dec 31, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 10-Q | Quarterly report | Apr 29, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2022 | Apr 28, 2022 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Apr 28, 2022 | Apr 27, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 14, 2022 | Mar 14, 2022 |
| DEFA14A | Additional proxy material | Mar 14, 2022 | — |
| DEF 14A | Proxy statement | Mar 14, 2022 | Apr 28, 2022 |
| 10-K | Annual report | Feb 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2022 | Feb 22, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2022 | Feb 22, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 16, 2022 | Feb 16, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 27, 2022 | Jan 27, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2021 | Dec 10, 2021 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Other events
|
Nov 16, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 15, 2021 | Nov 15, 2021 |
| 8-K |
Current report
Other events
|
Nov 1, 2021 | Nov 1, 2021 |
| 8-K |
Current report
Other events
|
Nov 1, 2021 | Nov 1, 2021 |
| 10-Q | Quarterly report | Oct 22, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2021 | Oct 21, 2021 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Sep 30, 2021 | Sep 27, 2021 |
| 8-K |
Current report
Material agreement
|
Sep 29, 2021 | Sep 28, 2021 |
| 8-K |
Current report
Other events
|
Jul 30, 2021 | Jul 28, 2021 |
| 10-Q | Quarterly report | Jul 28, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2021 | Jul 27, 2021 |
| 11-K | Employee savings plan report | Jun 2, 2021 | Dec 31, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 18, 2021 | May 18, 2021 |
| S-8 | Employee stock plan registration | May 3, 2021 | — |
| 10-Q | Quarterly report | Apr 28, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2021 | Apr 27, 2021 |
| 8-K/A | Amended current report | Apr 26, 2021 | Apr 21, 2021 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Apr 23, 2021 | Apr 21, 2021 |
| 8-K |
Current report
Other events
|
Apr 14, 2021 | Apr 14, 2021 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Mar 16, 2021 | Mar 15, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2021 | Mar 16, 2021 |
| DEFA14A | Additional proxy material | Mar 3, 2021 | — |
| DEF 14A | Proxy statement | Mar 3, 2021 | Mar 3, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 1, 2021 | Feb 24, 2021 |
| 10-K | Annual report | Feb 22, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 28, 2021 | Jan 28, 2021 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Jan 19, 2021 | Jan 18, 2021 |
| 8-K |
Current report
Other events
|
Dec 17, 2020 | Dec 17, 2020 |
| 8-K |
Current report
Other events
|
Dec 16, 2020 | Dec 16, 2020 |
| 8-K |
Current report
Officer or director change
|
Dec 14, 2020 | Dec 10, 2020 |
| 10-Q | Quarterly report | Nov 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 4, 2020 |
| 8-K |
Current report
Impairment, Regulation FD disclosure
|
Oct 7, 2020 | Oct 6, 2020 |
| 8-K |
Current report
Impairment, Regulation FD disclosure
|
Oct 2, 2020 | Oct 1, 2020 |
| 8-K |
Current report
Other events
|
Sep 15, 2020 | Sep 15, 2020 |
| 10-Q | Quarterly report | Aug 7, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2020 | Aug 5, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 15, 2020 | Jul 14, 2020 |
| 11-K | Employee savings plan report | Jun 9, 2020 | Dec 31, 2019 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2020 | — |
| 8-K |
Current report
Officer or director change
|
May 20, 2020 | May 15, 2020 |
| 8-K |
Current report
Material agreement, New debt
|
May 20, 2020 | May 19, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 15, 2020 | May 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2020 | May 14, 2020 |
| 8-K |
Current report
Material agreement
|
May 11, 2020 | May 8, 2020 |
| 10-Q | Quarterly report | May 1, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2020 | Apr 29, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Apr 28, 2020 | Apr 23, 2020 |
| 8-K |
Current report
Material agreement
|
Apr 23, 2020 | Apr 23, 2020 |
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.