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 ownership update: The Vanguard Group filed an amendment to its Schedule 13G/A stating it beneficially owns 0 shares of Common Stock of Octave Specialty Group Inc, representing 0% of the class. The filing explains an internal realignment effective 01/12/2026 and reports disaggregated beneficial ownership by subsidiaries in reliance on SEC Release No. 34-39538. The amendment is signed by Ashley Grim on 03/27/2026.
Octave Specialty Group’s Chief Accounting Officer, Cristina E. Ahn, reported routine equity compensation activity and tax withholding transactions. On March 23, 2026, she received a grant of 8,067 restricted stock units (RSUs) as part of her 2026 Long Term Incentive Plan award, bringing her RSU holdings to 9,718.
Footnotes state each RSU represents a right to receive one share of common stock, vesting in three equal annual installments starting on March 23, 2027, then on March 23, 2028 and March 23, 2029. On March 10, 2026, 835 RSUs were settled into 835 shares of common stock, and 203 shares were withheld at $4.90 per share to cover tax obligations, leaving 632 common shares directly held after withholding.
LeBlanc Claude reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group’s Chief Executive Officer Claude LeBlanc reported a compensation grant of 99,375 restricted stock units (RSUs). Each RSU represents a right to receive one share of common stock at no purchase price. The award is part of his 2026 Long Term Incentive Plan.
The RSUs vest in three equal annual installments on March 23 of 2027, 2028 and 2029, encouraging longer-term retention and alignment with shareholder interests. After this award, LeBlanc’s reported direct holdings total 520,212 shares of common stock underlying RSUs and stock.
Smith R Sharon reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc reported that Executive Vice President and Group COO Sharon R. Smith received a grant of 24,375 restricted stock units as part of her 2026 Long Term Incentive Plan award. Each unit represents a right to receive one share of common stock.
The RSUs vest in three equal annual installments on March 23, 2027, March 23, 2028, and March 23, 2029. Following this award, her reported holdings of this derivative security total 120,314 units, reflecting ongoing equity-based compensation tied to long-term company performance.
Trick David reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc. executive vice president, CFO and treasurer David Trick received a grant of 26,250 restricted stock units (RSUs) on March 23, 2026 as part of his 2026 Long Term Incentive Plan award. Each RSU represents a contingent right to receive one share of common stock. The RSUs vest in three equal annual installments on March 23 of 2027, 2028 and 2029. After this award, Trick directly holds 138,184 shares or share-equivalent units in the company.
METZ LAWRENCE F. reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc. reported that officer Lawrence F. Metz received a grant of 28,246 restricted stock units as part of his 2026 Long Term Incentive Plan award. Each RSU represents a right to receive one share of common stock. The RSUs vest in three equal annual installments on March 23, 2027, March 23, 2028, and March 23, 2029, aligning compensation with long-term company performance.
Octave Specialty Group Inc.'s Chief Executive Officer Claude LeBlanc reported equity award activity on March 3, 2026. He acquired 47,130 Restricted Stock Units (RSUs) upon vesting of portions of his 2023 and 2024 RSU awards, each RSU representing one share of common stock.
On the same date, 22,582 RSUs were converted into an equivalent number of Deferred Share Units (DSUs) under the company’s Executive Stock Deferral Plan, allowing him to defer settlement and income taxation. In addition, 24,548 shares of common stock were acquired through derivative conversion, while 10,694 shares of common stock were withheld by the company at $5.60 per share to cover tax obligations.
Octave Specialty Group executive David Trick reported equity award activity involving restricted and deferred stock units. On March 3, 2026, he acquired 11,505 shares through the exercise and settlement of restricted stock units and 9,790 deferred share units, each representing one share of common stock.
He also acquired 1,715 shares of common stock upon RSU vesting and simultaneously disposed of 1,715 shares at $5.60 per share to satisfy tax withholding obligations. After these transactions, his directly held common stock position increased to 260,631 shares.
Octave Specialty Group executive R. Sharon Smith reported equity award settlements and related tax withholding. Smith acquired 10,261 shares of common stock through vesting of 2023 and 2024 restricted stock unit (RSU) awards, with 8,720 RSUs converted into deferred share units under the company’s executive stock deferral plan. A further 1,541 common shares were issued and the same number immediately withheld at $5.60 per share to cover tax obligations, leaving direct holdings of 149,182 common shares, 95,939 RSUs and 67,486 deferred share units.
Octave Specialty Group’s 2025 report shows a transformed business focused on insurance distribution and specialty property & casualty insurance. The company sold its Legacy Financial Guarantee business and rebranded as OSG, with two main segments built around MGA/Us and the Everspan carrier group.
Insurance Distribution placed $951,781 thousand of premiums in 2025, up from $493,373 thousand in 2024, and generated gross commissions of $143,381 thousand and net commissions of $106,344 thousand. Growth was driven by multiple controlling-stake acquisitions and de-novo MGA/Us, capped by the $250,000 thousand ArmadaCorp deal funded in part with $120,000 thousand of new loans.
Everspan wrote $360,449 thousand of gross premiums in 2025, retaining about 20.5% including assumed business while maintaining an A.M. Best ‘A-’ rating. Consolidated investments carried $293,708 thousand at year-end, and OSG held $76,000 thousand of standalone net assets plus $1,700,000 thousand of net operating loss carry-forwards. Management outlines strategies to expand MGA/U-based distribution, carefully manage reinsurance and capital, and emphasizes extensive risk and regulatory oversight.