Ambac Financial Group, Inc. (AMBC) has 17 known insider and institutional holders on record. The largest holder is LeBlanc Claude with 578,291 shares. Other notable holders include PRICE MICHAEL D and HAFT IAN DAVID.
Over the last 12 months, insiders have made 3 transactions in AMBC stock — 3 buys (valued at $823.73K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
AMBC Insider Ownership
Top Holder
LeBlanc Claude
578,291 shares
Buys (12 mo)
3
$823.73K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Leblanc Claude |
Chief Executive Officer |
578,291 |
2025-05-14 |
|
| 2 |
Price Michael D |
Director |
166,235 |
2025-05-14 |
|
| 3 |
Haft Ian David |
Director |
124,868 |
2025-04-02 |
|
| 4 |
Lammtennant Joan M |
Director |
99,937 |
2025-04-02 |
|
| 5 |
Prieur C James |
Director |
94,390 |
2023-01-04 |
|
| 6 |
Herzog David L |
Director |
93,057 |
2023-04-04 |
|
| 7 |
Greene Alexander David |
Director |
74,388 |
2021-05-13 |
|
| 8 |
Iglesias Lisa G |
Director |
60,724 |
2025-04-03 |
|
| 9 |
Stein Jeffrey Scott |
Director |
45,000 |
2025-05-15 |
|
| 10 |
Matus Kristi Ann |
Director |
32,126 |
2025-04-02 |
|
| 11 |
Trick David |
Exec VP, CFO & Treasurer |
17,334 |
2025-03-14 |
|
| 12 |
Barranco David |
Senior Managing Director |
15,928 |
2025-03-14 |
|
| 13 |
Smith R Sharon |
Exec VP & Chief Strategy Offr |
15,460 |
2025-03-14 |
|
| 14 |
Reilly Michael Francis |
Senior Managing Director |
14,787 |
2021-03-09 |
|
| 15 |
Ksenak Stephen Michael |
Sr. Md & General Counsel |
14,054 |
2025-03-14 |
|
| 16 |
Mcginnis Daniel |
Sr. Md & COO |
7,964 |
2025-03-14 |
|
| 17 |
Eisman Robert Bryan |
Sr. Md & CAO |
5,604 |
2025-03-14 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-05-14 |
Stein Jeffrey Scott |
Director |
Informative Buy |
10,000 |
$6.45 |
$64.5K |
| 2025-05-14 |
Leblanc Claude |
Chief Executive Officer |
Informative Buy |
40,000 |
$6.50 |
$260K |
| 2025-05-14 |
Price Michael D |
Director |
Informative Buy |
76,923 |
$6.49 |
$499.23K |