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 |
|---|---|---|---|
| 40-17G | Filing | Oct 23, 2026 | — |
| 8-K |
Current report
Material agreement
|
Sep 16, 2026 | Sep 16, 2026 |
| 8-K |
Current report
Material agreement
|
Sep 11, 2026 | Sep 9, 2026 |
| 424B2 | Prospectus | Sep 11, 2026 | — |
| 497AD | Filing | Sep 10, 2026 | — |
| FWP | Free writing prospectus | Sep 9, 2026 | — |
| 424B2 | Prospectus | Sep 9, 2026 | — |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Mar 4, 2026 | Mar 3, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2026 | Feb 4, 2026 |
| 10-Q | Quarterly report | Feb 4, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Feb 2, 2026 | — |
| CORRESP | Letter to the SEC | Jan 27, 2026 | — |
| N-2ASR | Filing | Jan 23, 2026 | — |
| DEFA14A | Additional proxy material | Jan 16, 2026 | — |
| DEF 14A | Proxy statement | Jan 16, 2026 | Mar 3, 2026 |
| DEFA14A | Additional proxy material | Jan 8, 2026 | — |
| DEF 14A | Proxy statement | Jan 8, 2026 | Mar 3, 2026 |
| 3 | Initial insider ownership | Jan 5, 2026 | Dec 31, 2025 |
| PRE 14A | Preliminary proxy statement | Dec 22, 2025 | Mar 3, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 18, 2025 | Nov 18, 2025 |
| 10-K | Annual report | Nov 18, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 14, 2025 | Nov 10, 2025 |
| 40-17G | Filing | Oct 20, 2025 | — |
| 4 | Insider transaction | Sep 16, 2025 | Sep 15, 2025 |
| 40-APP/A | Filing | Aug 12, 2025 | — |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 40-APP | Filing | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 7, 2025 |
| 8-K |
Current report
Agreement ended
|
May 16, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 7, 2025 |
| 4 | Insider transaction | May 7, 2025 | May 6, 2025 |
| 424B5 | Prospectus supplement | May 5, 2025 | — |
| 8-K |
Current report
Material agreement
|
May 5, 2025 | May 5, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Material agreement
|
Apr 11, 2025 | Apr 8, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Mar 5, 2025 | Mar 4, 2025 |
| 8-K |
Current report
Material agreement
|
Feb 27, 2025 | Feb 27, 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 |
| 424B2 | Prospectus | Feb 24, 2025 | — |
| 8-K |
Current report
Material agreement
|
Feb 21, 2025 | Feb 20, 2025 |
| 497AD | Filing | Feb 20, 2025 | — |
| FWP | Free writing prospectus | Feb 20, 2025 | — |
| 424B2 | Prospectus | Feb 20, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 10, 2025 | — |
| 8-K |
Current report
Results of operations
|
Feb 4, 2025 | Feb 4, 2025 |
| 10-Q | Quarterly report | Feb 4, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Jan 17, 2025 | Mar 4, 2025 |
| DEFA14A | Additional proxy material | Jan 17, 2025 | — |
| DEFA14A | Additional proxy material | Jan 10, 2025 | — |
| DEF 14A | Proxy statement | Jan 10, 2025 | Mar 4, 2025 |
| PRE 14A | Preliminary proxy statement | Dec 26, 2024 | Mar 4, 2025 |
| 3 | Initial insider ownership | Nov 21, 2024 | Nov 15, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 19, 2024 | Nov 19, 2024 |
| 10-K | Annual report | Nov 19, 2024 | Sep 30, 2024 |
| 40-17G | Filing | Oct 28, 2024 | — |
| 4 | Insider transaction | Sep 23, 2024 | Sep 20, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 13, 2024 |
| 424B5 | Prospectus supplement | Aug 2, 2024 | — |
| 8-K |
Current report
Material agreement
|
Aug 2, 2024 | Aug 2, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 21, 2024 | Jun 14, 2024 |
| 8-K |
Current report
Material agreement
|
May 22, 2024 | May 20, 2024 |
| 40-APP/A | Filing | May 17, 2024 | — |
| 40-APP/A | Filing | May 15, 2024 | — |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 30, 2024 |
| 10-Q | Quarterly report | Apr 30, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 40-APP | Filing | Feb 13, 2024 | — |
| 8-K |
Current report
Results of operations
|
Feb 1, 2024 | Feb 1, 2024 |
| 10-Q | Quarterly report | Feb 1, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Jan 30, 2024 | — |
| DEF 14A | Proxy statement | Jan 19, 2024 | Mar 4, 2024 |
| DEFA14A | Additional proxy material | Jan 19, 2024 | — |
| DEFA14A | Additional proxy material | Jan 10, 2024 | — |
| DEF 14A | Proxy statement | Jan 10, 2024 | Mar 4, 2024 |
| PRE 14A | Preliminary proxy statement | Dec 22, 2023 | Mar 4, 2024 |
| 4 | Insider transaction | Dec 4, 2023 | Nov 30, 2023 |
| 3 | Initial insider ownership | Nov 20, 2023 | Nov 10, 2023 |
| 40-17G | Filing | Nov 14, 2023 | — |
| 8-K |
Current report
Results of operations
|
Nov 14, 2023 | Nov 14, 2023 |
| 10-K | Annual report | Nov 14, 2023 | Sep 30, 2023 |
| 40-APP/A | Filing | Nov 7, 2023 | — |
| 8-K |
Current report
Material agreement
|
Aug 15, 2023 | Aug 15, 2023 |
| 424B2 | Prospectus | Aug 10, 2023 | — |
| 8-K |
Current report
Material agreement
|
Aug 9, 2023 | Aug 8, 2023 |
| 497AD | Filing | Aug 9, 2023 | — |
| FWP | Free writing prospectus | Aug 8, 2023 | — |
| 497AD | Filing | Aug 8, 2023 | — |
| 497AD | Filing | Aug 8, 2023 | — |
| 497AD | Filing | Aug 8, 2023 | — |
| 8-K |
Current report
Material agreement
|
Aug 8, 2023 | Aug 8, 2023 |
| 424B5 | Prospectus supplement | Aug 8, 2023 | — |
| 424B2 | Prospectus | Aug 8, 2023 | — |
| 497AD | Filing | Aug 7, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 7, 2023 | — |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 1, 2023 | — |
| 8-K |
Current report
Material agreement
|
Jun 26, 2023 | Jun 23, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended
|
May 30, 2023 | May 25, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 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 |
| 8-K |
Current report
Shareholder vote results
|
Mar 20, 2023 | Mar 17, 2023 |
| DEFA14A | Additional proxy material | Mar 6, 2023 | — |
| 4 | Insider transaction | Feb 13, 2023 | Feb 9, 2023 |
| 8-K |
Current report
Material agreement
|
Feb 9, 2023 | Feb 8, 2023 |
| 424B2 | Prospectus | Feb 9, 2023 | — |
| N-2ASR | Oaktree specialty lending corporation | Feb 7, 2023 | — |
| 8-K |
Current report
Results of operations
|
Feb 7, 2023 | Feb 7, 2023 |
| 10-Q | Quarterly report | Feb 7, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Feb 6, 2023 | — |
| DEF 14A | Proxy statement | Feb 6, 2023 | Mar 17, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 1, 2023 | — |
| CORRESP | Letter to the SEC | Jan 31, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 26, 2023 | — |
| CORRESP | Letter to the SEC | Jan 24, 2023 | — |
| PRE 14A | Preliminary proxy statement | Jan 24, 2023 | Mar 17, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, Acquisition or sale of assets, Regulation FD disclosure
|
Jan 23, 2023 | Jan 23, 2023 |
| POS EX | Filing | Jan 23, 2023 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jan 20, 2023 | Jan 20, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 20, 2023 | Jan 20, 2023 |
| 425 | Filing | Jan 10, 2023 | — |
| 8-K |
Current report
Other events
|
Jan 10, 2023 | Jan 10, 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 |
| 425 | Oaktree specialty lending corp | Dec 2, 2022 | — |
| EFFECT | Filing | Nov 30, 2022 | — |
| 424B3 | Prospectus | Nov 30, 2022 | — |
| N-14 8C/A | Filing | Nov 29, 2022 | — |
| 425 | Filing | Nov 16, 2022 | — |
| 425 | Filing | Nov 16, 2022 | — |
| 425 | Filing | Nov 15, 2022 | — |
| 8-K |
Current report
Results of operations
|
Nov 15, 2022 | Nov 15, 2022 |
| 10-K | Annual report | Nov 15, 2022 | Sep 30, 2022 |
| 40-17G | Filing | Oct 28, 2022 | — |
| N-14 8C | Filing | Oct 24, 2022 | — |
| 425 | Filing | Sep 16, 2022 | — |
| 425 | Filing | Sep 15, 2022 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Sep 15, 2022 | Sep 14, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 16, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 12, 2022 | — |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 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 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 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 |
| 8-K |
Current report
Shareholder vote results
|
Mar 7, 2022 | Mar 4, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 2, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 24, 2022 |
| DEFA14A | Additional proxy material | Feb 23, 2022 | — |
| 8-K |
Current report
Material agreement
|
Feb 7, 2022 | Feb 7, 2022 |
| 424B2 | Prospectus | Feb 7, 2022 | — |
| 8-K |
Current report
Results of operations
|
Feb 3, 2022 | Feb 3, 2022 |
| 10-Q | Quarterly report | Feb 3, 2022 | Dec 31, 2021 |
| 3 | Initial insider ownership | Jan 31, 2022 | Jan 28, 2022 |
| DEFA14A | Additional proxy material | Jan 20, 2022 | — |
| DEF 14A | Proxy statement | Jan 20, 2022 | Mar 4, 2022 |
| DEFA14A | Additional proxy material | Jan 13, 2022 | — |
| DEF 14A | Proxy statement | Jan 13, 2022 | Mar 4, 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 |
| PRE 14A | Preliminary proxy statement | Dec 27, 2021 | Mar 4, 2022 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 13, 2021 |
| 8-K |
Current report
Material agreement
|
Dec 13, 2021 | Dec 10, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 2, 2021 |
| 3 | Initial insider ownership | Dec 2, 2021 | Nov 30, 2021 |
| 8-K |
Current report
Material agreement
|
Nov 22, 2021 | Nov 18, 2021 |
| 3 | Initial insider ownership | Nov 19, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 16, 2021 | Nov 16, 2021 |
| 10-K | Annual report | Nov 16, 2021 | Sep 30, 2021 |
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
- 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.