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.
Stein Jeffrey Scott reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc. director Jeffrey Scott Stein received a grant of 7,441 restricted stock units (RSUs). The RSUs were granted on April 1, 2026 and each RSU represents a contingent right to receive one share of Octave Specialty Group common stock.
The RSUs are scheduled to vest on April 1, 2027. Vested RSUs will settle into common shares on the earlier of the vesting date or when Stein ceases to be a member of the Board of Directors, unless he elects to defer settlement. Following this award, he holds 16,091 RSUs directly.
HAFT IAN DAVID reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc. director Ian David Haft received a grant of 7,441 restricted stock units (RSUs). The award was made on April 1, 2026 and increases his directly held RSUs to 16,091. Each RSU represents a contingent right to receive one share of Octave Specialty Group common stock.
These RSUs are scheduled to vest on April 1, 2027. Once vested, they will settle into common shares on the vesting date or when Haft ceases to be a member of the Board of Directors, unless he elects to defer settlement.
IGLESIAS LISA G reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group director Lisa G. Iglesias received a grant of 7,441 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the company’s common stock. Following this award, her directly held equity-linked interest totals 16,091 shares.
The RSUs were granted on April 1, 2026 and are scheduled to vest one year later on April 1, 2027. Vested RSUs will settle into common shares on the vesting date or when she ceases to serve on the Board of Directors, unless she elects to defer settlement.
Octave Specialty Group director Joan M. LammTennant received a grant of 7,441 restricted stock units (RSUs), each representing a contingent right to one share of common stock.
The RSUs were granted on April 1, 2026 and are scheduled to vest on April 1, 2027. Vested RSUs will convert into common shares on the earlier of the vesting date or when she ceases to serve on the Board, unless she elects to defer settlement. Following this award, she directly holds 16,091 RSUs tied to Octave Specialty Group common stock.
Matus Kristi Ann reported acquisition or exercise transactions in this Form 4 filing.
Octave Specialty Group Inc. director Kristi Ann Matus received a grant of 7,441 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the company’s common stock. Following this grant, she holds 16,091 RSUs directly.
The RSUs granted on April 1, 2026 are scheduled to vest on April 1, 2027. Once vested, they will settle into common shares on the earlier of the vesting date or the date she ceases to serve on the Board of Directors, subject to any deferral election.
Octave Specialty Group director Michael D. Price received a grant of restricted stock units as equity compensation. On April 1, 2026, he was awarded 7,441 RSUs, each representing a right to receive one share of common stock. Following this award, his directly held RSUs total 16,091.
The RSUs granted on April 1, 2026 are scheduled to vest on April 1, 2027. Vested RSUs will convert into common shares on the earlier of the vesting date or when he ceases to serve on the Board of Directors, subject to any deferral election.
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.