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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2026 | May 28, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 7, 2026 | Apr 1, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 23, 2026 | Feb 23, 2026 |
| 8-K | Current report | Jan 6, 2026 | Jan 6, 2026 |
| 8-K |
Current report
Auditor change
|
Dec 15, 2025 | Dec 10, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Nov 3, 2025 | Oct 31, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Sep 29, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Jul 7, 2025 | Jul 3, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 16, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 30, 2025 | May 28, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Oct 16, 2024 | Oct 16, 2024 |
| 8-K | Current report | Sep 17, 2024 | Sep 17, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 4, 2024 | Sep 4, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 5, 2024 | Aug 5, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2024 | Aug 5, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Regulation FD disclosure
|
Aug 2, 2024 | Aug 1, 2024 |
| 8-K | Current report | Aug 2, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 5, 2024 |
| 8-K |
Current report
Other events
|
Jun 5, 2024 | Jun 5, 2024 |
| 8-K/A |
Amended current report
Other events
|
Jun 5, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Jun 5, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Results of operations
|
May 6, 2024 | May 6, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2024 | Feb 27, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 27, 2024 | Feb 22, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2023 | Oct 5, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2023 | Aug 7, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 15, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 7, 2023 | Mar 3, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 27, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Material agreement
|
Jan 3, 2023 | Dec 29, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Material agreement
|
Oct 13, 2022 | Oct 6, 2022 |
| 8-K |
Current report
Other events
|
Oct 7, 2022 | Oct 7, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2022 | Aug 8, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2022 | May 26, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 30, 2022 | Mar 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 18, 2022 | Mar 18, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 23, 2021 | Nov 23, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2021 | Nov 8, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jul 6, 2021 | Jul 6, 2021 |
| 8-K |
Current report
Material agreement
|
Jun 30, 2021 | Jun 24, 2021 |
| 8-K |
Current report
Other events
|
Jun 25, 2021 | Jun 25, 2021 |
| 8-K |
Current report
Other events
|
Jun 24, 2021 | Jun 24, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 26, 2021 | May 25, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 25, 2021 | May 25, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2021 | Mar 1, 2021 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jan 25, 2021 | Jan 19, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 31, 2020 | Dec 31, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 28, 2020 | Dec 23, 2020 |
| 8-K |
Current report
Other events
|
Dec 23, 2020 | Dec 23, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2020 | Jun 2, 2020 |
| 8-K |
Current report
Results of operations
|
May 11, 2020 | May 11, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2020 | Mar 2, 2020 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jan 23, 2020 | Jan 22, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2019 | Nov 7, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2019 | Aug 8, 2019 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2019 | Jun 3, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2019 | Feb 28, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2018 | Nov 7, 2018 |
| 8-K |
Current report
Other events
|
Oct 12, 2018 | Oct 11, 2018 |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Aug 31, 2018 | Aug 30, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 30, 2018 | Aug 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2018 | Aug 8, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 3, 2018 | Aug 3, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 26, 2018 | Jul 25, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 16, 2018 | Jul 16, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 3, 2018 | Jul 3, 2018 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 25, 2018 | Jun 22, 2018 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2018 | May 18, 2018 |
| 8-K |
Current report
Results of operations
|
May 8, 2018 | May 8, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2018 | Feb 28, 2018 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Feb 15, 2018 | Feb 12, 2018 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 2, 2018 | Feb 2, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2018 | Jan 11, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2017 | Nov 8, 2017 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 26, 2017 | Sep 21, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2017 | Aug 9, 2017 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Jul 20, 2017 | Jul 19, 2017 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
May 22, 2017 | May 22, 2017 |
| 8-K |
Current report
Results of operations
|
May 10, 2017 | May 10, 2017 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 10, 2017 | Apr 10, 2017 |
| 8-K |
Current report
Other events
|
Mar 28, 2017 | Mar 25, 2017 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2017 | Feb 28, 2017 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2017 | Jan 4, 2017 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Dec 13, 2016 | Dec 13, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 1, 2016 | Dec 1, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2016 | Nov 3, 2016 |
| 8-K |
Current report
Officer or director change
|
Sep 16, 2016 | Sep 15, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2016 | Aug 9, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 12, 2016 | Jul 12, 2016 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2016 | May 18, 2016 |
| 8-K |
Current report
Results of operations
|
May 11, 2016 | May 10, 2016 |
| 8-K |
Current report
Material agreement, Officer or director change, Regulation FD disclosure
|
Mar 29, 2016 | Mar 28, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 9, 2016 | Mar 7, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2016 | Feb 18, 2016 |
| 8-K |
Current report
Other events
|
Jan 26, 2016 | Jan 26, 2016 |
| 8-K |
Current report
Officer or director change
|
Jan 5, 2016 | Jan 5, 2016 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 4, 2016 | Jan 4, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2015 | Nov 9, 2015 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Officer or director change
|
Sep 2, 2015 | Sep 2, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2015 | Aug 10, 2015 |
| 8-K | Current report | Jul 6, 2015 | Jul 6, 2015 |
| 8-K |
Current report
Shareholder vote results
|
May 14, 2015 | May 14, 2015 |
| 8-K |
Current report
Results of operations
|
May 11, 2015 | May 11, 2015 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2015 | Apr 28, 2015 |
| 8-K |
Current report
Officer or director change
|
Apr 3, 2015 | Apr 3, 2015 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2015 | Apr 2, 2015 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2015 | Mar 2, 2015 |
| 8-K |
Current report
Agreement ended, Officer or director change, Other events
|
Dec 23, 2014 | Dec 23, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2014 | Nov 10, 2014 |
| 8-K |
Current report
Other events
|
Oct 14, 2014 | Oct 13, 2014 |
| 8-K |
Current report
Other events
|
Aug 28, 2014 | Aug 28, 2014 |
| 8-K |
Current report
Other events
|
Aug 15, 2014 | Aug 15, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2014 | Aug 11, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 11, 2014 | Jul 11, 2014 |
| 8-K |
Current report
Other events
|
Jun 11, 2014 | Jun 11, 2014 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2014 | May 22, 2014 |
| 8-K |
Current report
Results of operations
|
May 12, 2014 | May 12, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2014 | Apr 29, 2014 |
| 8-K |
Current report
Other events
|
Apr 21, 2014 | Apr 21, 2014 |
| 8-K |
Current report
Officer or director change
|
Apr 9, 2014 | Apr 8, 2014 |
| 8-K |
Current report
Other events
|
Mar 13, 2014 | Mar 10, 2014 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2014 | Mar 3, 2014 |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2013 | Dec 20, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Dec 18, 2013 | Dec 18, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2013 | Nov 13, 2013 |
| 8-K |
Current report
Officer or director change
|
Jun 6, 2013 | May 31, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
May 17, 2013 | May 15, 2013 |
| 8-K |
Current report
Material agreement, Agreement ended, Unregistered share sale, Change to shareholder rights, Change in control, Officer or director change, Bylaw or fiscal year change, Other events
|
May 3, 2013 | Apr 30, 2013 |
| 8-K |
Current report
Other events
|
Apr 18, 2013 | Apr 17, 2013 |
| 8-K |
Current report
Other events
|
Mar 15, 2013 | Mar 14, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2013 | Feb 28, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 17, 2012 | Sep 14, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 17, 2012 | Aug 17, 2012 |
| 8-K |
Current report
Other events
|
Jun 13, 2012 | Jun 12, 2012 |
| 8-K |
Current report
Other events
|
Jun 6, 2012 | Jun 5, 2012 |
| 8-K |
Current report
Other events
|
May 18, 2012 | May 15, 2012 |
| 8-K |
Current report
Other events
|
May 18, 2012 | May 16, 2012 |
| 8-K |
Current report
Bankruptcy
|
Mar 20, 2012 | Mar 14, 2012 |
| 8-K |
Current report
Officer or director change
|
Feb 28, 2012 | Feb 24, 2012 |
| 8-K |
Current report
Officer or director change
|
Feb 10, 2012 | Feb 6, 2012 |
| 8-K |
Current report
Other events
|
Oct 5, 2011 | Oct 4, 2011 |
| 8-K |
Current report
Material agreement
|
Sep 27, 2011 | Sep 21, 2011 |
| 8-K |
Current report
Other events
|
Sep 7, 2011 | Aug 31, 2011 |
| 8-K |
Current report
Officer or director change
|
Jun 14, 2011 | Jun 10, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2011 | Jun 10, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 7, 2011 | Jun 1, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 22, 2011 | Apr 22, 2011 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 21, 2011 | Mar 18, 2011 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Mar 7, 2011 | Mar 1, 2011 |
| 8-K |
Current report
Officer or director change
|
Jan 28, 2011 | Jan 24, 2011 |
| 8-K |
Current report
Other events
|
Dec 15, 2010 | Dec 9, 2010 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2010 | Nov 17, 2010 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2010 | Nov 5, 2010 |
| 8-K |
Current report
Bankruptcy, Listing notice, Other events
|
Nov 10, 2010 | Nov 7, 2010 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2010 | Nov 9, 2010 |
| 8-K |
Current report
Other events
|
Nov 1, 2010 | Oct 29, 2010 |
| 8-K |
Current report
Other events
|
Oct 12, 2010 | Oct 8, 2010 |
Showing 183 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.