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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 6, 2026 | — |
| S-8 POS | Filing | Aug 6, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 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 |
| DEFA14A | Additional proxy material | May 14, 2026 | — |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| ARS | Annual report to shareholders | Apr 10, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 10, 2026 | — |
| DEF 14A | Proxy statement | Apr 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 7, 2026 | Apr 1, 2026 |
| 10-K | Annual report | Mar 4, 2026 | Dec 31, 2025 |
| 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 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 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 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 12, 2025 | May 12, 2025 |
| ARS | Annual report to shareholders | Apr 11, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEF 14A | Proxy statement | Apr 11, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 6, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 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 |
| DEFA14A | Additional proxy material | Oct 11, 2024 | — |
| DEFA14A | Additional proxy material | Sep 26, 2024 | — |
| DEFA14A | Additional proxy material | Sep 18, 2024 | — |
| 8-K | Current report | Sep 17, 2024 | Sep 17, 2024 |
| DEFM14A | Filing | Sep 6, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 4, 2024 | Sep 4, 2024 |
| S-8 | Employee stock plan registration | Aug 9, 2024 | — |
| S-8 POS | Filing | Aug 9, 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 |
| 10-Q | Quarterly report | Aug 5, 2024 | Jun 30, 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 |
| PREM14A | Filing | Aug 2, 2024 | Aug 2, 2024 |
| S-3ASR | Automatic shelf registration | 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 |
| 10-Q | Quarterly report | May 6, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 6, 2024 | May 6, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 26, 2024 | Dec 31, 2023 |
| PRE 14A | Preliminary proxy statement | Apr 8, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 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 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 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 |
| 10-Q | Quarterly report | Aug 7, 2023 | Jun 30, 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 |
| DEFA14A | Additional proxy material | Jun 16, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 15, 2023 | Jun 15, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 25-NSE | Delisting notice | Apr 28, 2023 | — |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| 8-K |
Current report
Officer or director change
|
Mar 7, 2023 | Mar 3, 2023 |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 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 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 8, 2022 | Jun 30, 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 |
| 10-Q | Quarterly report | May 10, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 10, 2022 | May 10, 2022 |
| DEF 14A | Proxy statement | Apr 15, 2022 | Dec 31, 2021 |
| 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 |
| 10-K | Annual report | Feb 24, 2022 | Dec 31, 2021 |
| 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 |
| 10-Q | Quarterly report | Nov 8, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2021 | Nov 8, 2021 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 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 |
| 10-Q | Quarterly report | May 10, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 10, 2021 | May 10, 2021 |
| DEF 14A | Proxy statement | Apr 15, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Mar 1, 2021 | Dec 31, 2020 |
| 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 |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| S-8 | Employee stock plan registration | Aug 12, 2020 | — |
| S-8 POS | Filing | Aug 12, 2020 | — |
| 10-Q | Quarterly report | Aug 6, 2020 | Jun 30, 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 |
| DEFA14A | Additional proxy material | May 12, 2020 | — |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 11, 2020 | May 11, 2020 |
| DEF 14A | Proxy statement | Apr 15, 2020 | Apr 15, 2020 |
| 10-K | Annual report | Mar 2, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2020 | Mar 2, 2020 |
| 25 | Filing | Feb 3, 2020 | — |
| 25 | Filing | Feb 3, 2020 | — |
| CERT | Nyse certification | Jan 30, 2020 | — |
| 8-A12B | Filing | Jan 30, 2020 | — |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Jan 23, 2020 | Jan 22, 2020 |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2019 | Nov 7, 2019 |
| 10-Q | Quarterly report | Aug 8, 2019 | Jun 30, 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 |
| 10-Q | Quarterly report | May 9, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| DEFR14A | Defa14a | Apr 29, 2019 | — |
| DEF 14A | Proxy statement | Apr 18, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 1, 2019 | Feb 28, 2019 |
| 10-K | Annual report | Feb 28, 2019 | Dec 31, 2018 |
| 10-Q | Quarterly report | Nov 7, 2018 | Sep 30, 2018 |
| 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 |
| 10-Q | Quarterly report | Aug 8, 2018 | Jun 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 |
| 10-Q | Quarterly report | May 9, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 8, 2018 | May 8, 2018 |
| DEF 14A | Proxy statement | Apr 5, 2018 | Dec 31, 2017 |
| 10-K | Annual report | Feb 28, 2018 | Dec 31, 2017 |
| 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 |
| 10-Q | Quarterly report | Nov 8, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Sep 26, 2017 | Sep 21, 2017 |
| 10-Q | Quarterly report | Aug 9, 2017 | Jun 30, 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 |
| 10-Q | Quarterly report | May 10, 2017 | Mar 31, 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 |
| DEF 14A | Proxy statement | Apr 7, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Other events
|
Mar 28, 2017 | Mar 25, 2017 |
| 10-K | Annual report | Feb 28, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2017 | Feb 28, 2017 |
| UPLOAD | Letter from the SEC | Feb 21, 2017 | — |
| CORRESP | Letter to the SEC | Feb 21, 2017 | — |
| CORRESP | Letter to the SEC | Jan 27, 2017 | — |
| CORRESP | Letter to the SEC | Jan 6, 2017 | — |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2017 | Jan 4, 2017 |
| UPLOAD | Letter from the SEC | Dec 28, 2016 | — |
| NO ACT | Auto-generated paper document | Dec 15, 2016 | Nov 29, 2016 |
| 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 |
| 10-Q | Quarterly report | Nov 3, 2016 | Sep 30, 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 |
| 10-Q | Quarterly report | Aug 9, 2016 | Jun 30, 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 |
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
- 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.