4/A: OSG Exec's Ambac Equity Vesting & Tax Correction

An amended SEC Form 4 details corrected tax withholding calculations for an Octave Specialty Group executive's equity transactions in Ambac Financial Group following a change of control.

Summary

• Smith R Sharon, Executive VP & Group COO of OCTAVE SPECIALTY GROUP, INC., filed an amended Form 4 (4/A) to correct an error in tax withholding calculations related to equity awards.
• A change of control, specifically the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., triggered the vesting and settlement of the reporting person's equity awards in Ambac Financial Group, Inc.
• On September 29, 2025, 145,135 Deferred Share Units (DSUs) in Ambac Financial Group, Inc. vested and settled, converting into common stock.
• A corrected amount of 70,680 shares of Ambac Financial Group, Inc. common stock were withheld by the company at $9.72 per share to satisfy tax withholding obligations related to the DSU conversion.
• On September 30, 2025, the Compensation Committee of Ambac Financial Group approved the acceleration of the reporting person's 2023 and 2024 Performance Stock Unit (PSU) awards, resulting in the acquisition of 3,235 shares of Ambac Financial Group, Inc. common stock upon simultaneous vesting and settlement.
• A corrected aggregate amount of 3,235 shares of Ambac Financial Group, Inc. common stock were withheld by the company at $8.34 per share to satisfy tax withholding obligations related to the PSU conversion.
• Additionally, 76,206 PSUs in Ambac Financial Group, Inc. were converted into an equivalent number of DSUs pursuant to the Company's Executive Stock Deferral Plan.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive event. While the amendment corrects an error, the underlying transactions represent the successful vesting and settlement of executive equity awards, which is generally positive for executive retention and alignment with shareholder interests, albeit with tax implications.

Positives

• The vesting and settlement of 145,135 Deferred Share Units (DSUs) and 3,235 Performance Stock Units (PSUs) for the Executive VP & Group COO indicates the realization of compensation.
• The change of control event triggered the vesting of equity awards, providing liquidity to the executive.

Negatives

• A significant number of shares (70,680 at $9.72 and 3,235 at $8.34) were withheld by Ambac Financial Group, Inc. to cover tax obligations, reducing the net shares received by the executive.
• The necessity of an amended filing (4/A) indicates an initial error in calculating tax withholding, suggesting a minor administrative oversight.

Future Outlook

NA

Management Comments

• This amended Form 4 was filed to correct an error in the calculation of the number of shares required to be withheld by the Company to satisfy certain tax withholding obligations.

Industry Context

StockSavvy.ai notes that Form 4 filings, especially amendments, are routine disclosures for executive compensation and insider ownership changes. This specific filing highlights an executive of Octave Specialty Group realizing equity awards from Ambac Financial Group, Inc. due to a change of control event involving Ambac Assurance Corporation and Oaktree Capital Management. This scenario underscores the complex intercompany relationships and executive compensation structures that can arise from M&A activities within the financial services sector.

Stakeholder Impact

• Shareholders of Octave Specialty Group Inc.: The filing provides transparency on an executive's compensation activities, which may indirectly reflect on the executive's overall financial incentives and alignment.
• Shareholders of Ambac Financial Group, Inc.: The transactions represent a reduction in shares for tax purposes and a conversion of PSUs to DSUs for an executive holding their securities.
• Executive (Smith R Sharon): Realization of value from vested equity awards in Ambac Financial Group, Inc., subject to tax withholding.

Key Dates

Keywords

SEC Form 4/A, Insider Trading, Executive Compensation, Equity Awards, Deferred Share Units, Performance Stock Units, Tax Withholding, Change of Control, OCTAVE SPECIALTY GROUP, OSG, Ambac Financial Group, Ambac Assurance Corporation, Oaktree Capital Management