Octave Specialty Group Inc SEC filings OSG
Octave Specialty Group Inc has 1,000 filings in SEC EDGAR's recent list, going back to Oct 12, 2010. Its latest annual report, Form ARS, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 10-Q | Quarterly report | Aug 5, 2024 | Jun 30, 2024 |
| 10-Q | Quarterly report | May 6, 2024 | Mar 31, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 10-Q | Quarterly report | Aug 7, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 10-Q | Quarterly report | Aug 8, 2022 | Jun 30, 2022 |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 2020 |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| 10-Q | Quarterly report | Aug 8, 2019 | Jun 30, 2019 |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 10-Q | Quarterly report | Aug 8, 2018 | Jun 30, 2018 |
| 10-Q | Quarterly report | May 9, 2018 | Mar 31, 2018 |
| 10-Q | Quarterly report | Nov 8, 2017 | Sep 30, 2017 |
| 10-Q | Quarterly report | Aug 9, 2017 | Jun 30, 2017 |
| 10-Q | Quarterly report | May 10, 2017 | Mar 31, 2017 |
| 10-Q | Quarterly report | Nov 3, 2016 | Sep 30, 2016 |
| 10-Q | Quarterly report | Aug 9, 2016 | Jun 30, 2016 |
| 10-Q | Quarterly report | May 11, 2016 | Mar 31, 2016 |
| 10-Q | Quarterly report | Nov 9, 2015 | Sep 30, 2015 |
| 10-Q | Quarterly report | Aug 10, 2015 | Jun 30, 2015 |
| 10-Q | Quarterly report | May 11, 2015 | Mar 31, 2015 |
| 10-Q | Quarterly report | Nov 10, 2014 | Sep 30, 2014 |
| 10-Q | Quarterly report | Aug 11, 2014 | Jun 30, 2014 |
| 10-Q | Quarterly report | May 12, 2014 | Mar 31, 2014 |
| 10-Q | Quarterly report | Nov 14, 2013 | Sep 30, 2013 |
| 10-Q | Quarterly report | Aug 14, 2013 | Jun 30, 2013 |
| 10-Q | Quarterly report | May 15, 2013 | Mar 31, 2013 |
| 10-Q | Quarterly report | Nov 14, 2012 | Sep 30, 2012 |
| 10-Q/A | Amended quarterly report | Sep 10, 2012 | Jun 30, 2012 |
| 10-Q | Quarterly report | Aug 9, 2012 | Jun 30, 2012 |
| 10-Q | Quarterly report | May 10, 2012 | Mar 31, 2012 |
| 10-Q | Quarterly report | Nov 9, 2011 | Sep 30, 2011 |
| 10-Q/A | Amended quarterly report | Sep 8, 2011 | Jun 30, 2011 |
| 10-Q | Quarterly report | Aug 9, 2011 | Jun 30, 2011 |
| 10-Q | Quarterly report | May 10, 2011 | Mar 31, 2011 |
| 10-Q | Quarterly report | Nov 15, 2010 | Sep 30, 2010 |
Showing 50 filings. 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
- Surety Insurance (SIC 6351)
- Listed as
- OSG (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- New York, NY
- SEC filer status
- Accelerated filer
- SEC CIK
- 874501
- Former names
- AMBAC FINANCIAL GROUP INC (until Nov 10, 2025); AMBAC INC /DE/ (until Jan 2, 1998)
Other Surety Insurance companies
- Old Republic International Corp ORI
- Essent Group Ltd. ESNT
- Mgic Investment Corp MTG
- Radian Group Inc RDN
- NMI Holdings, Inc. NMIH
- Assured Guaranty Ltd AGO
- Mbia Inc MBI
Source: SEC EDGAR filings. This is company-reported data, not investment advice.