SEC Form 4 · Updated Daily
AMBC
Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Smith R Sharon | Officer | 170,952 | 2025-11-12 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-11-12 | Smith R Sharon | Open-market buy | 20 | $10.25 | 170,952 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 232,816 | $0.00 | 513,617 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 45,650 | $0.00 | 280,801 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2025-10-03 | Trick David | Grant / award (derivative) | 66,519 | $0.00 | 123,439 |
| 2025-10-03 | Trick David | Grant / award (derivative) | 350,375 | $0.00 | 350,375 |
| 2025-10-03 | Smith R Sharon | Grant / award (derivative) | 55,433 | $0.00 | 106,200 |
| 2025-10-03 | Smith R Sharon | Grant / award (derivative) | 284,125 | $0.00 | 284,125 |
| 2025-10-03 | Trick David | Grant / award (derivative) | 66,519 | $0.00 | 123,439 |
| 2025-10-03 | Trick David | Grant / award (derivative) | 350,375 | $0.00 | 350,375 |
| 2025-10-03 | Smith R Sharon | Grant / award (derivative) | 55,433 | $0.00 | 106,200 |
| 2025-10-03 | Smith R Sharon | Grant / award (derivative) | 284,125 | $0.00 | 284,125 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 232,816 | $0.00 | 513,617 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 45,650 | $0.00 | 280,801 |
| 2025-10-03 | LeBlanc Claude | Grant / award (derivative) | 500,000 | $0.00 | 500,000 |
| 2025-07-09 | LeBlanc Claude | Grant / award (derivative) | 118,045 | $0.00 | 189,501 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.