Octave Specialty Group Inc.
- OSG · NYSE
- Surety Insurance
- New York, NY
- 483 employees
- CIK 0000874501
Updated from SEC filings through
Top things to know
Executives
-
Claude LeBlanc Chief Executive Officer 4, 2026-07-13 -
David Trick Exec VP, CFO & Treasurer 4, 2026-07-13 -
Cristina E. Ahn Chief Accounting Officer 4, 2026-03-25 - Cristina Ahn Chief Accounting Officer 10-K, 2026-03-04
- R. Sharon Smith Exec VP & Group COO 4, 2026-07-13
-
Lawrence F. Metz *See Remarks for full title 4, 2026-03-25
What leadership is saying
“Octave delivered a solid third quarter, with continued growth in our Insurance Distribution business and further progress at Everspan, despite a P&C market that has become more competitive as the year has progressed. While we expect market softening to continue into 2027, we believe that our operating model was built to perform through market cycles, and Octave is well positioned to deliver sustained, profitable growth toward our long-term goals”
Earnings press release (8-K Ex. 99.1), filed November 9, 2026
Octave Specialty Group Inc is a U.S. public company in surety insurance (SIC 6351), headquartered in New York, NY. It trades as OSG on NYSE. Revenue was $251M in the fiscal year ending December 31, 2025, +6.5% from the year before. It reported about 483 employees. Claude LeBlanc is Chief Executive Officer.
Five-year financials
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $251M 10-K, 2026-03-04 | $236M 10-K, 2026-03-04 | $125M 10-K, 2026-03-04 | $53.6M 10-K, 2025-03-06 | $282M 10-K, 2024-02-27 |
| Operating income | Not on file | Not on file | Not on file | Not on file | Not on file |
| SG&A | $192M 10-K, 2026-03-04 | $129M 10-K, 2026-03-04 | $67.0M 10-K, 2026-03-04 | $56.3M 10-K, 2025-03-06 | $111M 10-K, 2024-02-27 |
| Net income | -$259M 10-K, 2026-03-04 | -$556M 10-K, 2026-03-04 | $5.0M 10-K, 2026-03-04 | $522M 10-K, 2025-03-06 | -$17.0M 10-K, 2024-02-27 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Claude LeBlanc | Chief Executive Officer | 4, 2026-07-13 |
| David Trick Executive Vice President, CFO & Treasurer at Ambac Financial Group, Inc. | Exec VP, CFO & Treasurer | 4, 2026-07-13 |
| Cristina E. Ahn | Chief Accounting Officer | 4, 2026-03-25 |
| Cristina Ahn | Chief Accounting Officer | 10-K, 2026-03-04 |
| R. Sharon Smith | Exec VP & Group COO | 4, 2026-07-13 |
| Lawrence F. Metz | *See Remarks for full title | 4, 2026-03-25 |
 Jeffrey S. Stein | Chairman of the Board and Director | 10-K, 2026-03-04 |
| Ian D. Haft | Director | 10-K, 2026-03-04 |
| Joan Lamm-Tennant | Director | 10-K, 2026-03-04 |
| Kristi A. Matus | Director | 10-K, 2026-03-04 |
| Lisa G. Iglesias | Director | 10-K, 2026-03-04 |
| Michael D. Price | Director | 10-K, 2026-03-04 |
What Octave Specialty Group Inc does
Octave Specialty Group, Inc. ("OSG"), headquartered in New York City, is a financial services holding company incorporated in the State of Delaware on April 29, 1991 and was formerly known as Ambac Financial Group, Inc. ("AFG"). In the fourth quarter of 2025, AFG changed its name and rebranded as OSG in connection with the sale of its Legacy Financial Guarantee business. References to "Octave," "OSG," the “Company,” “we,” “our,” and “us” are to OSG and its subsidiaries, as the context requires.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 45.1 million (as of November 5, 2026) | 10-Q, November 9, 2026 |
|---|---|---|
| Public float | $314M (as of June 30, 2025) | 10-K, March 4, 2026 |
| Reportable segments | 2 (period ending September 30, 2026) | 10-Q, November 9, 2026 |
| Latest proxy statement | Meeting December 31, 2025 (filed April 10, 2026) | DEF 14A, April 10, 2026 |
| Auditor | Kpmg LLP (New York, NY) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| January 2, 2026 | Claude LeBlanc Chief Executive Officer | Buy | 12,000 | $91K | Form 4, January 5, 2026 |
| November 12, 2025 | R. Sharon Smith Exec VP & Group COO | Buy | 20 | $205 | Form 4, November 14, 2025 |
| October 1, 2025 | Claude LeBlanc Chief Executive Officer | Buy | 25,000 | $213K | Form 4, October 1, 2025 |
| August 11, 2025 | Claude LeBlanc Chief Executive Officer | Buy | 25,000 | $176K | Form 4, August 11, 2025 |
Recent 8-K events
- 8-K filed 2026-08-06
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-05-29
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2026-05-06
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-04-07
- Item 1.01 Entry into a material definitive agreement
- Item 2.03 Creation of a direct financial obligation
- 8-K filed 2026-02-23
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-01-06
- 8-K filed 2025-12-15
- Item 4.01 Changes in registrant's certifying accountant
- 8-K filed 2025-11-10
- Item 5.03 Amendments to articles or bylaws; change in fiscal year
- 8-K filed 2025-11-10
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-11-03
- Item 1.01 Entry into a material definitive agreement
- Item 2.01 Completion of acquisition or disposition of assets
- Item 2.03 Creation of a direct financial obligation
- Item 7.01 Regulation FD disclosure
Frequently asked questions about Octave Specialty Group Inc
- What does Octave Specialty Group Inc do?
- In its own words, from Item 1 of its 10-K: "Octave Specialty Group, Inc. ("OSG"), headquartered in New York City, is a financial services holding company incorporated in the State of Delaware on April 29, 1991 and was formerly known as Ambac Financial Group, Inc. ("AFG"). In the fourth quarter of 2025, AFG changed its name and rebranded as OSG in connection with the sale of its Legacy Financial Guarantee business. References to "Octave," "OSG," the “Company,” “we,” “our,” and “us” are to OSG and its subsidiaries, as the context requires."
- What is Octave Specialty Group Inc's revenue?
- $251M for the fiscal year ending December 31, 2025, from its 10-K filed March 4, 2026.
- Is Octave Specialty Group Inc profitable?
- Octave Specialty Group Inc reported net income of -$259M for the fiscal year ending December 31, 2025.
- How many employees does Octave Specialty Group Inc have?
- About 483 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of Octave Specialty Group Inc?
- Claude LeBlanc, Chief Executive Officer, as named in a 4 filed July 13, 2026.
- Who is the CFO of Octave Specialty Group Inc?
- David Trick, Exec VP, CFO & Treasurer, as named in a 4 filed July 13, 2026.
- Where is Octave Specialty Group Inc headquartered?
- New York, NY.
- What is Octave Specialty Group Inc's stock ticker?
- OSG on NYSE.
- What industry is Octave Specialty Group Inc in?
- Surety Insurance, SIC code 6351.
- What is Octave Specialty Group Inc's website?
- octavegroup.com. Investor relations: https://octavegroup.com/investor-relations/investor-overview/default.aspx.
- When does Octave Specialty Group Inc report earnings next?
- November 9, 2026 at 16:30. Source: pg_future_events.
- Is Octave Specialty Group Inc a public company?
- Yes. Octave Specialty Group Inc files with the SEC under CIK 0000874501 and trades as OSG.
- Who audits Octave Specialty Group Inc?
- Kpmg LLP, New York, NY, as named in its latest annual report (10-K).
- How many shares of Octave Specialty Group Inc are outstanding?
- 45.1 million shares as of November 5, 2026, from its 10-Q filed November 9, 2026.
- What is Octave Specialty Group Inc's public float?
- $314M as of June 30, 2025, as reported on the cover of its 10-K filed March 4, 2026.
- How many business segments does Octave Specialty Group Inc report?
- 2 reportable segments for the period ending September 30, 2026, from its 10-Q filed November 9, 2026.
- When is Octave Specialty Group Inc's annual shareholder meeting?
- December 31, 2025, per its proxy statement (DEF 14A) filed April 10, 2026.
- Have Octave Specialty Group Inc insiders traded stock recently?
- Since August 11, 2025, officers and directors reported 0 open-market sales and 4 purchases worth about $481K on Forms 4 and 5. The most recent: Claude LeBlanc (Chief Executive Officer) bought 12,000 shares on January 2, 2026.