Sixth Street Specialty Lending, Inc. SEC filings TSLX
Sixth Street Specialty Lending, Inc. has 890 filings in SEC EDGAR's recent list, going back to Jan 14, 2011. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 8, 2026 | — |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 3 | Initial insider ownership | Feb 20, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Nov 20, 2025 | Nov 18, 2025 |
| 3 | Initial insider ownership | Jul 3, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| 4 | Insider transaction | Aug 9, 2024 | Aug 7, 2024 |
| 4 | Insider transaction | Aug 7, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 3 | Initial insider ownership | Jul 18, 2023 | Jul 10, 2023 |
| 4 | Insider transaction | Mar 15, 2023 | Mar 13, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Aug 22, 2022 | Aug 18, 2022 |
| 4 | Insider transaction | Aug 10, 2022 | Aug 8, 2022 |
| 4 | Insider transaction | Aug 9, 2022 | Aug 5, 2022 |
| 3 | Initial insider ownership | Jul 11, 2022 | Jun 30, 2022 |
| 3 | Initial insider ownership | Jul 11, 2022 | Jun 30, 2022 |
| 4 | Insider transaction | May 26, 2022 | May 24, 2022 |
| 4 | Insider transaction | May 11, 2022 | May 9, 2022 |
| 4 | Insider transaction | Mar 10, 2022 | Mar 8, 2022 |
| 4 | Insider transaction | Mar 9, 2022 | Mar 7, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 13, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2022 | — |
| 3 | Initial insider ownership | Aug 27, 2021 | Jun 22, 2021 |
| 4 | Insider transaction | May 13, 2021 | May 11, 2021 |
| 4 | Insider transaction | Mar 11, 2021 | Mar 9, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 26, 2021 |
| 4 | Insider transaction | Mar 1, 2021 | Feb 25, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 23, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 14, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 12, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 2, 2020 | — |
| 4 | Insider transaction | Aug 27, 2020 | Aug 25, 2020 |
| 4 | Insider transaction | Aug 13, 2020 | Aug 11, 2020 |
| 4 | Insider transaction | Aug 11, 2020 | Aug 10, 2020 |
| 4 | Insider transaction | Aug 3, 2020 | Jul 29, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 4, 2020 | — |
| 4 | Insider transaction | Apr 27, 2020 | Apr 23, 2020 |
| 4/A | Ownership document | Mar 18, 2020 | Mar 2, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 12, 2020 | Mar 10, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 14, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 30, 2020 | — |
| 3 | Initial insider ownership | Sep 20, 2019 | Sep 11, 2019 |
| 4 | Insider transaction | Aug 19, 2019 | Aug 15, 2019 |
| 4 | Insider transaction | May 14, 2019 | May 10, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 4, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2019 | — |
| 3 | Initial insider ownership | Feb 8, 2019 | Jan 31, 2019 |
| 3 | Initial insider ownership | Feb 8, 2019 | Jan 31, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Jan 24, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2019 | — |
| 4 | Insider transaction | Aug 28, 2018 | Aug 24, 2018 |
| 4 | Insider transaction | Mar 27, 2018 | Mar 23, 2018 |
| 4 | Insider transaction | Mar 8, 2018 | Mar 6, 2018 |
| 4 | Insider transaction | Mar 5, 2018 | Mar 1, 2018 |
| 4 | Insider transaction | Mar 5, 2018 | Mar 1, 2018 |
| 4 | Insider transaction | Mar 5, 2018 | Mar 1, 2018 |
| 4 | Insider transaction | Mar 5, 2018 | Mar 1, 2018 |
| 4 | Insider transaction | Mar 2, 2018 | Feb 28, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2018 | — |
| 4 | Insider transaction | Mar 6, 2017 | Mar 2, 2017 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Jan 27, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2017 | — |
| 4 | Insider transaction | Nov 23, 2016 | Nov 21, 2016 |
| 4 | Insider transaction | Nov 23, 2016 | Nov 21, 2016 |
| 4 | Insider transaction | Nov 16, 2016 | Nov 14, 2016 |
| 4 | Insider transaction | Aug 17, 2016 | Aug 15, 2016 |
| 3 | Initial insider ownership | Aug 8, 2016 | Aug 3, 2016 |
| 3 | Initial insider ownership | Aug 8, 2016 | Aug 3, 2016 |
| 4 | Insider transaction | May 12, 2016 | May 10, 2016 |
| 3 | Initial insider ownership | May 12, 2016 | May 4, 2016 |
| 4 | Insider transaction | Mar 10, 2016 | Mar 8, 2016 |
| 4 | Insider transaction | Mar 7, 2016 | Mar 3, 2016 |
| 4 | Insider transaction | Mar 7, 2016 | Mar 3, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Feb 12, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 15, 2016 | — |
| 3 | Initial insider ownership | Dec 4, 2015 | Nov 30, 2015 |
| 4 | Insider transaction | Nov 30, 2015 | Nov 24, 2015 |
| 4 | Insider transaction | Nov 20, 2015 | Nov 18, 2015 |
| 4 | Insider transaction | Nov 17, 2015 | Nov 13, 2015 |
| 4 | Insider transaction | Nov 17, 2015 | Nov 13, 2015 |
| 4 | Insider transaction | Nov 12, 2015 | Nov 9, 2015 |
| 3 | Initial insider ownership | Oct 13, 2015 | Oct 2, 2015 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 18, 2015 | — |
| 4 | Insider transaction | May 22, 2015 | May 21, 2015 |
| 4 | Insider transaction | May 22, 2015 | May 21, 2015 |
| 3 | Initial insider ownership | Feb 25, 2015 | Feb 20, 2015 |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 20, 2015 | — |
| SC 13D | Ownership over 5% (active) | Nov 17, 2014 | — |
| 4 | Insider transaction | Nov 14, 2014 | Nov 12, 2014 |
| 4 | Insider transaction | Nov 12, 2014 | Nov 7, 2014 |
| 4 | Insider transaction | Nov 12, 2014 | Nov 7, 2014 |
| 4 | Insider transaction | Oct 17, 2014 | Oct 15, 2014 |
| 4 | Insider transaction | Oct 17, 2014 | Oct 15, 2014 |
| 4 | Insider transaction | Oct 17, 2014 | Oct 15, 2014 |
| 4 | Insider transaction | Oct 17, 2014 | Oct 15, 2014 |
| 4 | Insider transaction | Oct 17, 2014 | Oct 15, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 18, 2014 | — |
| 4 | Insider transaction | Aug 13, 2014 | Aug 11, 2014 |
| 3 | Initial insider ownership | May 16, 2014 | May 6, 2014 |
| 4 | Insider transaction | Mar 31, 2014 | Mar 26, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Mar 28, 2014 | — |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| 4 | Insider transaction | Mar 27, 2014 | Mar 26, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 27, 2014 | — |
| 4 | Insider transaction | Mar 25, 2014 | Mar 21, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 13, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 12, 2014 | — |
| 3 | Initial insider ownership | Feb 21, 2014 | Feb 14, 2014 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2014 | — |
| 3 | Initial insider ownership | Jan 30, 2014 | Jan 17, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 17, 2014 | — |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Sep 13, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| 4 | Insider transaction | Jan 3, 2014 | Dec 31, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 2, 2014 | — |
| 4 | Insider transaction | Oct 1, 2013 | Sep 27, 2013 |
| 4 | Insider transaction | Sep 18, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 18, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| 4 | Insider transaction | Sep 17, 2013 | Sep 13, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 16, 2013 | — |
| 3 | Initial insider ownership | Apr 19, 2013 | Mar 12, 2013 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 13, 2013 | — |
| 4 | Insider transaction | Feb 8, 2013 | Feb 6, 2013 |
| 4 | Insider transaction | Feb 8, 2013 | Feb 6, 2013 |
| 4 | Insider transaction | Feb 8, 2013 | Feb 6, 2013 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 8, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 6, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2013 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 21, 2012 | — |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 12, 2012 | — |
| 4 | Insider transaction | Dec 12, 2012 | Dec 10, 2012 |
| 4 | Insider transaction | Sep 17, 2012 | Sep 13, 2012 |
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
- TSLX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Dallas, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1508655
- Former names
- TPG Specialty Lending, Inc. (until Jun 5, 2020)
Source: SEC EDGAR filings. This is company-reported data, not investment advice.