Welcome to our dedicated page for Ambac Finl Group SEC filings (Ticker: AMBC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The AMBC SEC filings page on Stock Titan aggregates regulatory documents for Ambac Financial Group, Inc., which has been renamed Octave Specialty Group, Inc. According to an 8-K filing, the company amended its certificate of incorporation to adopt the Octave Specialty Group, Inc. name, with Ambac Financial Group, Inc. identified as the former name. These filings provide a detailed record of the company’s evolution from a financial guarantee-focused holding company to a specialty property and casualty insurance and insurance distribution platform.
Users can review Form 8-K current reports that describe material events such as the sale of Ambac Assurance Corporation and Ambac Assurance UK Limited to entities managed by Oaktree Capital Management, the acquisition of ArmadaCorp Capital, LLC and ArmadaCare, and the entry into senior secured credit facilities used in part to finance acquisitions. Other 8-K filings cover the name change to Octave Specialty Group, Inc., changes in the company’s independent registered public accounting firm, and executive compensation and employment agreements.
In addition to event-driven reports, investors typically consult annual reports on Form 10-K and quarterly reports on Form 10-Q for comprehensive financial statements, segment disclosures for Insurance Distribution and Specialty P&C Insurance, and discussions of risk factors and business strategy. While specific 10-K and 10-Q documents are not summarized here, they are accessible through EDGAR and provide context on revenues from commissions, program fees, and net premiums earned, as well as underwriting results at Everspan Group and related entities.
The filings page also surfaces information on insider and governance-related disclosures that may appear in proxy statements and ownership reports, alongside exhibits such as credit agreements, purchase agreements, and investor rights agreements. Stock Titan enhances access to these materials with AI-powered summaries that highlight key terms, structural changes, and financial implications, helping users interpret lengthy documents more efficiently.
By using this page, researchers can trace the regulatory history associated with the AMBC ticker, understand the transactions that enabled the shift to a pure-play MGA and specialty insurance platform, and follow the formal documentation of the company’s rebranding to Octave Specialty Group, Inc. and related governance changes.
Octave Specialty Group Inc. reported an equity grant to a board member. A director received 4,524 restricted stock units (RSUs) of Octave Specialty Group Inc. common stock on January 1, 2026. Each RSU represents a right to receive one share of common stock and was granted at a price of $0 per unit. The RSUs are scheduled to vest on January 1, 2027. Once vested, they will convert into common shares on the earlier of the vesting date or the date the director ceases to serve on the company’s Board of Directors, unless the director elects to defer settlement. Following this grant, the reporting person holds 8,650 derivative securities directly.
Octave Specialty Group Inc. director and Chief Executive Officer reported buying additional company stock. On 01/02/2026, a Form 4 shows an open-market purchase of 12,000 shares of common stock at a price of $7.59 per share, coded as an acquisition transaction. After this trade, the reporting person beneficially owns 1,033,777 shares of Octave Specialty Group Inc. common stock in direct ownership. The filing reflects a single, straightforward insider purchase with no derivative securities activity disclosed.
Octave Specialty Group Inc. disclosed that one of its officers, serving as Senior Managing Director and General Counsel, filed an initial insider ownership report effective 12/11/2025.
The report states that this reporting person currently has no securities beneficially owned, and it was signed by attorney-in-fact William J. White on 12/17/2025.
Octave Specialty Group, Inc., formerly Ambac Financial Group, is changing its independent auditor as part of an audit firm rotation. The Audit Committee conducted a competitive request-for-proposal process and decided not to continue with KPMG, which has audited the company since 1985.
KPMG will complete audits of the 2025 financial statements and internal control over financial reporting. Its opinions on the 2023 and 2024 financial statements and internal controls were unqualified, and the company reports no disagreements or reportable events with KPMG through December 10, 2025. The Audit Committee approved the appointment of Ernst & Young LLP as the new independent registered public accounting firm for the 2026 audit, subject to completion of EY’s client acceptance procedures and engagement agreements.
Octave Specialty Group, Inc. (AMBC) reported a Form 4 showing its Exec VP & Group COO purchased 20 shares of common stock on 11/12/2025 at $10.25 per share. The filing states the shares were purchased as a gift to the reporting person’s son.
Following the transaction, the officer beneficially owns 170,952 shares, held directly. The company also noted that Ambac Financial Group, Inc. changed its name to Octave Specialty Group, Inc. on November 10, 2025.
Ambac Financial Group (AMBC): Schedule 13G/A filed by Susquehanna affiliates reports beneficial ownership of 1,017,308 shares, representing 2.2% of the common stock. The filing is certified as being in the ordinary course of business and not for the purpose of influencing control.
The reporting persons are G1 Execution Services, LLC, SIG Brokerage, LP, and Susquehanna Securities, LLC, which may be deemed a group; each disclaims beneficial ownership of shares held by the others. The ownership for Susquehanna Securities includes options to buy 735,400 shares. Ambac had 46,401,736 shares outstanding as of August 5, 2025, per its Form 10-Q.
Ambac Financial Group, Inc. reported a corporate rebranding. On November 10, 2025, the company filed a certificate of amendment with Delaware authorities to change its name to Octave Specialty Group, Inc.
In connection with the name change, the company’s bylaws were amended and restated to reflect the new corporate name. Supporting documents include the Amended and Restated Certificate of Incorporation (Exhibit 3.1), Amended and Restated Bylaws (Exhibit 3.2), and a press release dated November 10, 2025 (Exhibit 99.1). The company’s common stock is listed on the NYSE under the symbol AMBC.
Ambac Financial Group (AMBC) reported Q3 2025 results. Total revenues were $66,606 (thousands) and net loss attributable to shareholders was $(112,620) (thousands), or $(2.35) per share. Continuing operations posted a net loss of $(30,838) (thousands), while discontinued operations recorded a $(80,890) (thousands) loss, which includes a $50,012 (thousands) loss on disposal.
The company completed the sale of its Legacy Financial Guarantee business (AAC) on September 29, 2025, reclassifying prior-period results to discontinued operations. Total assets were $2,147,890 (thousands) at September 30, 2025, compared with $8,058,378 (thousands) at December 31, 2024, reflecting the divestiture. Operating cash flow from continuing operations was $(51,617) (thousands); investing included $407,300 (thousands) of proceeds from a subsidiary sale, and financing included repayment of $150,000 (thousands) of short-term debt.
On October 31, 2025, Ambac acquired ArmadaCare for $250,000 (thousands) and put in place a $100,000 (thousands) term loan and a $20,000 (thousands) revolver, both fully drawn at closing. As of November 7, 2025, 43,812,035 common shares were outstanding.
Ambac Financial Group (AMBC) reported that it furnished an Item 2.02 Form 8-K on November 10, 2025, announcing financial results for the third quarter ended September 30, 2025. The detailed results are provided in Exhibit 99.1, a press release dated November 10, 2025.
The company notes that the information under Item 2.02, including Exhibit 99.1, is furnished and not filed under the Exchange Act, and is not incorporated by reference into other Securities Act or Exchange Act filings.
Ambac Financial Group (AMBC) completed the acquisition of ArmadaCorp Capital, LLC on October 31, 2025. Total consideration was $250,000,000, funded by a new $120,000,000 senior secured credit facility and cash on hand. At closing, the Borrowers drew a $100,000,000 Term Loan and $20,000,000 under the Revolving Facility.
The five-year facilities carry interest at term SOFR + 2.25%–2.75% or an alternate base rate + 1.25%–1.75%, with a Revolver unused fee of 0.375%–0.50%. The Term Loan amortizes in equal quarterly installments beginning with the fiscal quarter ending March 31, 2026, with the remaining principal due at maturity.
Ambac guarantees the obligations and must maintain at least $10,000,000 of unrestricted cash at all times. The facilities are secured by first‑priority liens on substantially all Borrower and Guarantor assets and 100% of Ambac’s equity in Cirrata Group. Financial covenants require a Consolidated Total Net Leverage Ratio ≤ 4.00x and a Consolidated Fixed Charge Coverage Ratio ≥ 1.20x, tested quarterly starting Q1 2026.