AMBC SEC Form 4 filings
Octave Specialty Group Inc Latest Insider Trading Activity
The most recent employee insider trading activity for Octave Specialty Group Inc was on November 12, 2025, when Smith R Sharon (Exec VP & Group COO) reported a purchase of 20 shares at $10.25 per share. For the past 2,317 days, AMBC has had 13 total insider transactions represented in the displayed records. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For AMBC Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2025-11-14 | 2025-11-12 | Octave Specialty Group Inc | Smith R Sharon | Exec VP & Group COO | Buy | 1 | 20 | $10.25 | $205.00 | 0.01% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2025-10-01 | 2025-10-01 | Ambac Financial Group Inc | Leblanc Claude | Chief Executive Officer | Buy | 1 | 25,000 | $8.54 | $213,500.00 | 2.45% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2025-08-11 | 2025-08-11 | Ambac Financial Group Inc | Leblanc Claude | Chief Executive Officer | Buy | 1 | 25,000 | $7.03 | $175,750.00 | 4.14% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2025-05-15 | 2025-05-14 | Ambac Financial Group Inc | Stein Jeffrey Scott | Director | Buy | 2 | 15,000 | $6.46 | $96,900.00 | 15.79% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2024-09-27 | 2024-09-27 | Ambac Financial Group Inc | Matus Kristi Ann | Director | Buy | 2 | 9,000 | $11.19 | $100,737.00 | 76.92% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2024-08-08 | 2024-08-07 | Ambac Financial Group Inc | Stein Jeffrey Scott | Director | Buy | 1 | 25,000 | $10.82 | $270,500.00 | 71.43% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2024-08-08 | 2024-08-07 | Ambac Financial Group Inc | Ksenak Stephen Michael | Sr. MD & General Counsel | Buy | 1 | 5,000 | $11.00 | $55,000.00 | 4.29% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2022-05-16 | 2022-05-13 | Ambac Financial Group Inc | Prieur C James | Director | Buy | 2 | 5,004 | $8.45 | $42,284.16 | 3.85% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2021-11-29 | 2021-11-29 | Ambac Financial Group Inc | Iglesias Lisa G | Director | Buy | 1 | 8,300 | $15.15 | $125,745.00 | 100.00% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBC | 2020-05-14 | 2020-05-13 | Ambac Financial Group Inc | Leblanc Claude | Chief Executive Officer | Buy | 1 | 8,425 | $11.75 | $98,993.75 | 5.87% | View Filing |
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Alerts are based on public SEC filings and are provided for informational purposes only; they do not constitute financial advice.