Oaktree Specialty Lending Corp SEC filings OCSL
Oaktree Specialty Lending Corp has 1,000 filings in SEC EDGAR's recent list, going back to Jun 15, 2010. Its latest annual report, Form 10-K, was filed on Nov 18, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 16, 2026 (material agreement). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 3 | Initial insider ownership | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 7, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 6, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 25, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 25, 2025 | Feb 24, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 10, 2025 | — |
| 3 | Initial insider ownership | Nov 21, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 20, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 13, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Dec 4, 2023 | Nov 30, 2023 |
| 3 | Initial insider ownership | Nov 20, 2023 | Nov 10, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 7, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 1, 2023 | — |
| 4 | Insider transaction | Apr 12, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 27, 2023 | Mar 23, 2023 |
| 4 | Insider transaction | Mar 20, 2023 | Mar 17, 2023 |
| 4 | Insider transaction | Mar 20, 2023 | Mar 16, 2023 |
| 4 | Insider transaction | Feb 13, 2023 | Feb 9, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 26, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 9, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 5, 2023 | — |
| 4 | Insider transaction | Jan 3, 2023 | Dec 30, 2022 |
| 4 | Insider transaction | Dec 12, 2022 | Dec 9, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 16, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 12, 2022 | — |
| 4 | Insider transaction | Jun 30, 2022 | Jun 29, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 13, 2022 | May 11, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 1, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2022 | — |
| 4 | Insider transaction | Mar 7, 2022 | Mar 4, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 2, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 24, 2022 |
| 3 | Initial insider ownership | Jan 31, 2022 | Jan 28, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 13, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 11, 2022 | — |
| 3 | Initial insider ownership | Jan 5, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Dec 30, 2021 | Dec 28, 2021 |
| 4 | Insider transaction | Dec 27, 2021 | Dec 23, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 2, 2021 |
| 3 | Initial insider ownership | Dec 2, 2021 | Nov 30, 2021 |
| 3 | Initial insider ownership | Nov 19, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 15, 2021 | Nov 11, 2021 |
| 4 | Insider transaction | Nov 10, 2021 | Nov 8, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 23, 2021 | — |
| 4 | Insider transaction | Sep 22, 2021 | Sep 20, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 22, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 2, 2021 | — |
| 4 | Insider transaction | Jun 2, 2021 | May 27, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | May 28, 2021 | — |
| 4 | Insider transaction | May 25, 2021 | May 21, 2021 |
| 4 | Insider transaction | May 7, 2021 | May 5, 2021 |
| 4 | Insider transaction | Apr 29, 2021 | Apr 27, 2021 |
| 4 | Insider transaction | Apr 26, 2021 | Apr 22, 2021 |
| 4 | Insider transaction | Apr 21, 2021 | Apr 21, 2021 |
| 4 | Insider transaction | Apr 16, 2021 | Apr 14, 2021 |
| 4 | Insider transaction | Apr 13, 2021 | Apr 9, 2021 |
| 4 | Insider transaction | Apr 8, 2021 | Apr 6, 2021 |
| 4 | Insider transaction | Apr 5, 2021 | Apr 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 26, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 25, 2021 | — |
| 4 | Insider transaction | Mar 23, 2021 | Mar 18, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 23, 2021 | Mar 19, 2021 |
| 4 | Insider transaction | Mar 22, 2021 | Mar 18, 2021 |
| 4 | Insider transaction | Mar 16, 2021 | Mar 12, 2021 |
| 4 | Insider transaction | Mar 11, 2021 | Mar 9, 2021 |
| 4 | Insider transaction | Mar 4, 2021 | Mar 2, 2021 |
| 4 | Insider transaction | Mar 1, 2021 | Feb 25, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| 4 | Insider transaction | Feb 23, 2021 | Feb 19, 2021 |
| 4 | Insider transaction | Feb 10, 2021 | Feb 8, 2021 |
| 4 | Insider transaction | Dec 17, 2020 | Dec 16, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 15, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 15, 2020 | — |
| 4 | Insider transaction | Dec 14, 2020 | Dec 10, 2020 |
| 4 | Insider transaction | Dec 14, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 8, 2020 | Dec 4, 2020 |
| 4 | Insider transaction | Dec 4, 2020 | Dec 2, 2020 |
| 4 | Insider transaction | Dec 2, 2020 | Nov 30, 2020 |
| 4 | Insider transaction | Nov 30, 2020 | Nov 24, 2020 |
| 4 | Insider transaction | Nov 24, 2020 | Nov 20, 2020 |
| 4 | Insider transaction | Nov 19, 2020 | Nov 18, 2020 |
| 4 | Insider transaction | Nov 17, 2020 | Nov 16, 2020 |
| 4 | Insider transaction | Sep 10, 2020 | Sep 8, 2020 |
| 4 | Insider transaction | Sep 4, 2020 | Sep 2, 2020 |
| 4 | Insider transaction | Aug 20, 2020 | Aug 19, 2020 |
| 4 | Insider transaction | Aug 19, 2020 | Aug 17, 2020 |
| 4 | Insider transaction | Aug 13, 2020 | Aug 11, 2020 |
| 4 | Insider transaction | Jun 11, 2020 | Jun 9, 2020 |
| 4 | Insider transaction | May 28, 2020 | May 27, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 11, 2020 | Mar 10, 2020 |
| 4 | Insider transaction | Mar 11, 2020 | Mar 9, 2020 |
| 4 | Insider transaction | Mar 10, 2020 | Mar 9, 2020 |
| 4 | Insider transaction | Mar 3, 2020 | Feb 28, 2020 |
| 4 | Insider transaction | Feb 28, 2020 | Feb 27, 2020 |
| 4 | Insider transaction | Feb 27, 2020 | Feb 25, 2020 |
| 4 | Insider transaction | Feb 25, 2020 | Feb 21, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2020 | — |
| 4 | Insider transaction | Jan 31, 2020 | Jan 30, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 30, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 30, 2020 | — |
| 4 | Insider transaction | Jan 14, 2020 | Jan 10, 2020 |
| 4 | Insider transaction | Jan 10, 2020 | Dec 13, 2019 |
| 4 | Insider transaction | Jan 8, 2020 | Jan 6, 2020 |
| 4 | Insider transaction | Jan 6, 2020 | Jan 2, 2020 |
| 4 | Insider transaction | Dec 26, 2019 | Dec 20, 2019 |
| 4 | Insider transaction | Dec 20, 2019 | Dec 18, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 20, 2019 | — |
| 4 | Insider transaction | Dec 18, 2019 | Dec 16, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 12, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 12, 2019 |
| 4 | Insider transaction | Dec 16, 2019 | Dec 12, 2019 |
| 4 | Insider transaction | Dec 5, 2019 | Dec 3, 2019 |
| 4 | Insider transaction | Dec 3, 2019 | Dec 2, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 27, 2019 | — |
| 4 | Insider transaction | Nov 26, 2019 | Nov 22, 2019 |
| 4 | Insider transaction | Nov 21, 2019 | Nov 20, 2019 |
| 4 | Insider transaction | Nov 20, 2019 | Nov 17, 2019 |
| 4 | Insider transaction | Nov 18, 2019 | Nov 14, 2019 |
| 4 | Insider transaction | Nov 14, 2019 | Nov 12, 2019 |
| 3 | Initial insider ownership | Oct 7, 2019 | Sep 30, 2019 |
| 4 | Insider transaction | Oct 1, 2019 | Sep 27, 2019 |
| 4 | Insider transaction | Sep 23, 2019 | Sep 19, 2019 |
| 4 | Insider transaction | Sep 18, 2019 | Sep 16, 2019 |
| 4 | Insider transaction | Aug 30, 2019 | Aug 28, 2019 |
| 4 | Insider transaction | Aug 15, 2019 | Aug 13, 2019 |
| 4 | Insider transaction | Jul 10, 2019 | Jul 9, 2019 |
| 4 | Insider transaction | Jul 9, 2019 | Jul 5, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 9, 2019 | — |
| 4 | Insider transaction | Jul 5, 2019 | Jul 2, 2019 |
| 4 | Insider transaction | Jul 2, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jun 28, 2019 | Jun 26, 2019 |
| 4 | Insider transaction | Jun 25, 2019 | Jun 21, 2019 |
| 4 | Insider transaction | Jun 20, 2019 | Jun 19, 2019 |
| 4 | Insider transaction | Jun 19, 2019 | Jun 17, 2019 |
| 4 | Insider transaction | Jun 17, 2019 | Jun 13, 2019 |
| 4 | Insider transaction | Jun 13, 2019 | Jun 12, 2019 |
| 4 | Insider transaction | Jun 7, 2019 | Jun 6, 2019 |
| 4 | Insider transaction | May 29, 2019 | May 24, 2019 |
| 4 | Insider transaction | May 23, 2019 | May 22, 2019 |
| 4 | Insider transaction | May 22, 2019 | May 20, 2019 |
| 4 | Insider transaction | May 20, 2019 | May 16, 2019 |
| 4 | Insider transaction | May 16, 2019 | May 14, 2019 |
| 4 | Insider transaction | May 16, 2019 | May 14, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | May 14, 2019 | — |
| 4 | Insider transaction | May 13, 2019 | May 10, 2019 |
| 4 | Insider transaction | May 10, 2019 | May 8, 2019 |
| 4 | Insider transaction | Apr 24, 2019 | Aug 2, 2018 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 12, 2019 | — |
| 4 | Insider transaction | Apr 11, 2019 | Apr 9, 2019 |
| 4 | Insider transaction | Apr 9, 2019 | Apr 5, 2019 |
| 3 | Initial insider ownership | Mar 15, 2019 | Mar 7, 2019 |
| 4 | Insider transaction | Mar 1, 2019 | Feb 28, 2019 |
| 4 | Insider transaction | Feb 19, 2019 | Feb 14, 2019 |
| 4 | Insider transaction | Feb 14, 2019 | Feb 12, 2019 |
| 4 | Insider transaction | Feb 12, 2019 | Feb 8, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2019 | — |
| 4 | Insider transaction | Jan 16, 2019 | Dec 14, 2018 |
| 4 | Insider transaction | Sep 17, 2018 | Sep 13, 2018 |
| 4 | Insider transaction | Aug 29, 2018 | Aug 27, 2018 |
| 4 | Insider transaction | Aug 29, 2018 | Aug 27, 2018 |
| 4 | Insider transaction | Aug 27, 2018 | Aug 23, 2018 |
| 4 | Insider transaction | Aug 23, 2018 | Aug 21, 2018 |
| 4 | Insider transaction | Aug 21, 2018 | Aug 17, 2018 |
| 4 | Insider transaction | Aug 17, 2018 | Aug 16, 2018 |
| 4 | Insider transaction | Aug 14, 2018 | Aug 10, 2018 |
| 4 | Insider transaction | Aug 14, 2018 | Aug 10, 2018 |
| 4 | Insider transaction | Jun 6, 2018 | Jun 4, 2018 |
| 4 | Insider transaction | May 31, 2018 | May 30, 2018 |
| 4 | Insider transaction | May 30, 2018 | May 25, 2018 |
| 4 | Insider transaction | May 24, 2018 | May 23, 2018 |
| 4 | Insider transaction | May 23, 2018 | May 21, 2018 |
| 4 | Insider transaction | Mar 2, 2018 | Feb 28, 2018 |
| 4 | Insider transaction | Feb 14, 2018 | Feb 12, 2018 |
| 4 | Insider transaction | Feb 14, 2018 | Feb 12, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| 4 | Insider transaction | Dec 19, 2017 | Dec 15, 2017 |
| 4 | Insider transaction | Dec 19, 2017 | Dec 15, 2017 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Listed as
- OCSL (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- DE
- Headquarters
- Los Angles, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1414932
- Former names
- Fifth Street Finance Corp. (until Oct 16, 2017); Fifth Street Finance Corp (until Sep 19, 2013)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.