Octave Specialty Group Inc (OSG) — SEC Filings

Octave Specialty Group Inc (OSG) — 35 SEC filings. Latest: 8-K (Dec 15, 2025). Includes 17 8-K, 5 10-Q, 4 SC 13G/A.

View Octave Specialty Group Inc on SEC EDGAR

Overview

Octave Specialty Group Inc (OSG) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 15, 2025: Octave Specialty Group, Inc. filed an 8-K on December 15, 2025, reporting a change in its certifying accountant. The company, formerly known as Ambac Financial Group, Inc., has updated its principal executive offices to 40 Wall Street, New York, NY 10005.

Sentiment Summary

Across 35 filings, the sentiment breakdown is: 1 bullish, 1 bearish, 32 neutral, 1 mixed. The dominant filing sentiment for Octave Specialty Group Inc is neutral.

Filing Type Overview

Octave Specialty Group Inc (OSG) has filed 17 8-K, 5 10-Q, 2 DEF 14A, 1 10-K, 4 SC 13G/A, 3 DEFA14A, 1 8-K/A, 2 SC 13G with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent SEC Filings (35)

Octave Specialty Group Inc SEC Filing History
DateFormDescriptionRisk
Dec 15, 20258-KOctave Specialty Group Inc. Reports Certifying Accountant Changelow
Nov 10, 20258-K8-K Filing
Nov 3, 20258-KAmbac Financial Group Reports Material Definitive Agreement & Acquisitionmedium
Sep 30, 20258-KAmbac Financial Group Reports Leadership Changesmedium
Sep 29, 20258-KAmbac Financial Group Files 8-K with Key Corporate Updatesmedium
Aug 7, 202510-QAmbac Swings to Q2 Loss Amid Discontinued Ops Impacthigh
Jul 7, 20258-KAmbac Financial Group Files 8-K on Equity Salesmedium
Jun 16, 20258-KAmbac Financial Group Enters Material Definitive Agreementmedium
May 30, 20258-KAmbac Financial Group Files 8-K on Shareholder Vote Matterslow
May 12, 202510-QAMBAC Financial Group Q1 2025 10-Q Filedlow
Apr 11, 2025DEF 14AAMBAC Financial Group DEF 14A: Executive Compensation Detailslow
Mar 6, 202510-KAMBAC Financial Group Files 2024 10-Kmedium
Feb 26, 20258-KAmbac Financial Group Files 8-K on Financialslow
Nov 12, 2024SC 13G/ASC 13G/A Filing
Nov 12, 202410-QAMBAC Financial Group 10-Q Filingmedium
Nov 4, 2024SC 13G/ASC 13G/A Filing
Oct 16, 20248-KAmbac Financial Group Files 8-K on Security Holder Voteslow
Oct 11, 2024DEFA14AAMBAC Financial Group Files Proxy Materialslow
Sep 26, 2024DEFA14AAMBAC Financial Group Files Proxy Materialslow
Sep 18, 2024DEFA14AAMBAC Financial Group Files Proxy Materialslow

Risk Profile

Risk Assessment: Of OSG's 30 recent filings, 1 were flagged as high-risk, 10 as medium-risk, and 19 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Octave Specialty Group Inc Financial Summary (10-Q, Aug 7, 2025)
MetricValue
Net Income-$25.0M

Key Executives

  • December 29, 2023

Industry Context

AMBAC FINANCIAL GROUP INC operates in the financial guarantee and insurance sector, a market characterized by stringent regulatory oversight and sensitivity to economic cycles. The industry faces ongoing challenges from low interest rates impacting investment income and credit market volatility affecting the value of guaranteed obligations. Competition exists from larger, diversified financial institutions and specialized insurers.

Top Tags

corporate-governance (4) · 10-Q (4) · financials (4) · material-agreement (3) · regulation-fd (3) · financial-statements (3) · disclosure (3) · amendment (3) · institutional-ownership (3) · executive-compensation (2)

Key Numbers

Octave Specialty Group Inc Key Metrics
MetricValueContext
Net Loss$10.0MQ2 2025, compared to $15.0M net income in Q2 2024
Fixed-Income Securities$1.5BAs of June 30, 2025, down from $1.6B at Dec 31, 2024
Short-Term Investments$250MAs of June 30, 2025, up from $200M at Dec 31, 2024
Reporting Period End2025-03-31As of this date, financial positions are reported.
Filing Date2025-05-12The date the 10-Q was officially submitted to the SEC.
Fiscal Year End2024Reporting period for executive compensation details.
Prior Fiscal Year2023Comparative executive compensation data.
Fiscal Year2024Reporting period for the 10-K filing.
Total AssetsN/ASpecific asset figures were not readily extractable from the provided text snippet.
Total LiabilitiesN/ASpecific liability figures were not readily extractable from the provided text snippet.
Net IncomeN/ASpecific net income figures were not readily extractable from the provided text snippet.
Commission file number1-10777Ambac's SEC filing identifier
I.R.S. employer identification no.13-3621676Ambac's tax identification number
Business Phone2126587470Contact number for the company's business operations.
Reporting Period End Date2024-03-31CONFORMED PERIOD OF REPORT

Forward-Looking Statements

  • {"claim":"Ambac's stock price may experience short-term volatility due to Vanguard's reduced stake.","entity":"Ambac Financial Group Inc.","targetDate":"Q1 2024","confidence":"medium"}
  • {"claim":"Ambac Financial Group Inc's stock price may see increased stability or positive sentiment due to significant institutional backing.","entity":"Ambac Financial Group Inc","targetDate":"next 3-6 months","confidence":"medium"}

Related Companies

AMBC

Frequently Asked Questions

What are the latest SEC filings for Octave Specialty Group Inc (OSG)?

Octave Specialty Group Inc has 35 recent SEC filings from Jan 2024 to Dec 2025, including 17 8-K, 5 10-Q, 4 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of OSG filings?

Across 35 filings, the sentiment breakdown is: 1 bullish, 1 bearish, 32 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Octave Specialty Group Inc SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Octave Specialty Group Inc (OSG) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Octave Specialty Group Inc?

Key financial highlights from Octave Specialty Group Inc's most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for OSG?

The investment thesis for OSG includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Octave Specialty Group Inc?

Key executives identified across Octave Specialty Group Inc's filings include December 29, 2023.

What are the main risk factors for Octave Specialty Group Inc stock?

Of OSG's 30 assessed filings, 1 were flagged high-risk, 10 medium-risk, and 19 low-risk.

What are recent predictions and forward guidance from Octave Specialty Group Inc?

Recent forward-looking statements from Octave Specialty Group Inc include guidance on {"claim":"Ambac's stock price may experience short-term volatility due to Vanguard's reduced stake.","entity":"Ambac Fin and 1 other predictions.

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