AMBC insider buying
2 cluster buysAMBAC FINANCIAL GROUP INC
When two or more insiders at AMBAC FINANCIAL GROUP INC buy AMBC on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in AMBC plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- May 14 – May 14, 2025Detected May 14, 2025High conviction2 insidersTotal bought$759.2KMarket capUnknown
- Aug 7 – Aug 7, 2024Detected Aug 7, 2024High conviction3 insidersTotal bought$1.5MMarket capUnknown
All notable open-market buys in AMBC
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Nov 12, 2025 | Exec VP & Group COO | 20 | $10.25 | $205.0 | SEC ↗ |
| Oct 1, 2025 | Director, Chief Executive Officer | 25,000 | $8.54 | $213.5K | SEC ↗ |
| Aug 11, 2025 | Director, Chief Executive Officer | 25,000 | $7.03 | $175.8K | SEC ↗ |
| May 14, 2025 | PRICE MICHAEL Dcluster Director | 76,923 | $6.49 | $499.2K | SEC ↗ |
| May 14, 2025 | LeBlanc Claudecluster Director, Chief Executive Officer | 40,000 | $6.50 | $260.0K | SEC ↗ |
| May 14, 2025 | Director | 10,000 | $6.45 | $64.5K | SEC ↗ |
| May 14, 2025 | Director | 5,000 | $6.48 | $32.4K | SEC ↗ |
| Sep 27, 2024 | Director | 6,300 | $11.16 | $70.3K | SEC ↗ |
| Sep 26, 2024 | Director | 2,700 | $11.27 | $30.4K | SEC ↗ |
| Aug 8, 2024 | Exec VP & Chief Strategy Offr | 1,100 | $10.64 | $11.7K | SEC ↗ |
| Aug 7, 2024 | PRICE MICHAEL Dcluster Director | 84,577 | $11.21 | $948.1K | SEC ↗ |
| Aug 7, 2024 | Stein Jeffrey Scottcluster Director | 25,000 | $10.82 | $270.5K | SEC ↗ |
| Aug 7, 2024 | LeBlanc Claudecluster Director, Chief Executive Officer | 12,273 | $10.70 | $131.3K | SEC ↗ |
| Aug 7, 2024 | LeBlanc Claudecluster Director, Chief Executive Officer | 10,953 | $11.00 | $120.5K | SEC ↗ |
| Aug 7, 2024 | Sr. MD & General Counsel | 5,000 | $11.00 | $55.0K | SEC ↗ |
| Aug 7, 2024 | Exec VP, CFO & Treasurer | 1,800 | $10.83 | $19.5K | SEC ↗ |
| Aug 7, 2024 | Exec VP, CFO & Treasurer | 1,500 | $10.69 | $16.0K | SEC ↗ |
| Aug 7, 2024 | Exec VP, CFO & Treasurer | 200 | $10.86 | $2.2K | SEC ↗ |
| Aug 7, 2024 | Exec VP, CFO & Treasurer | 200 | $10.63 | $2.1K | SEC ↗ |
AMBC insider buying — FAQ
- Are insiders buying AMBC stock?
- Yes — 8 distinct insiders have bought AMBC (AMBAC FINANCIAL GROUP INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Nov 14, 2025.
- How much AMBC stock have insiders bought?
- Insiders have bought a combined $2.9M of AMBC across 19 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in AMBC?
- A cluster buy is two or more distinct AMBAC FINANCIAL GROUP INC insiders — officers, directors, or 10% owners — each buying AMBC on the open market within a rolling window. AMBC has 2 detected cluster buys to date.
- Where does this AMBC insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in AMBC
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy AMBC within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding AMBC.