| 2005-05-04 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 15,000 0.1182% | $70.94 | $1.06M | ||
| 2005-04-29 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 500 0.0037% | $66.40 | $33,200 | ||
| 2005-04-28 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 100,628 0.7357% | $65.80 | $6.62M | ||
| 2004-03-09 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 34,800 0.1175% | $30.38 | $1.06M | ||
| 2004-03-08 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 54,200 0.4721% | $78.40 | $4.25M | ||
| 2004-03-05 | Sale | Ambac Financial Group, Inc. AMBC | Vice Chairman | 36,564 0.087% | $21.42 | $783,201 |