David L. Felsenthal serves as Executive at ADVISORY BOARD CO, where they oversee executive responsibilities. Since joining the company, David L. Felsenthal has executed 273 insider transactions totaling $35.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Mar 31, 2009 involved exercising options for 1,125 shares valued at $0.
David L. Felsenthal currently holds 61,972 shares of ADVISORY BOARD CO (ABCO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David L. Felsenthal has been a net seller of ABCO stock. They have purchased $0 and sold $35.8M worth of shares.
David L. Felsenthal's most recent insider trade was on Mar 31, 2009, when they sold 1,125 shares at $0.00 per share.
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| 1,676 |
| $N/A |
| Discretionary |
| May 22, 2008 | ABCO | $54.8K | Option Exercise | 7,679 | $7.13 | Discretionary |
| Mar 31, 2008 | ABCO | $0 | Option Exercise | 1,125 | $N/A | Discretionary |
| Nov 15, 2007 | ABCO | $84.9K | Option Exercise | 11,914 | $7.13 | Discretionary |
| Nov 15, 2007 | ABCO | $751.4K | Sale | 11,914 | $63.07 | Discretionary |
| Nov 15, 2007 | ABCO | $84.9K | Option Exercise | 11,914 | $7.13 | Discretionary |
| Nov 15, 2007 | ABCO | $751.4K | Sale | 11,914 | $63.07 | Discretionary |
| Aug 15, 2007 | ABCO | $673.0K | Sale | 11,914 | $56.49 | Discretionary |
| Aug 15, 2007 | ABCO | $84.9K | Option Exercise | 11,914 | $7.13 | Discretionary |
| May 15, 2007 | ABCO | $76.9K | Option Exercise | 10,789 | $7.13 | Discretionary |
| May 15, 2007 | ABCO | $550.2K | Sale | 11,194 | $49.15 | Discretionary |
| Feb 15, 2007 | ABCO | $631.8K | Sale | 11,914 | $53.03 | Discretionary |
| Feb 15, 2007 | ABCO | $47.0K | Option Exercise | 6,585 | $7.13 | Discretionary |
| Feb 15, 2007 | ABCO | $38.0K | Option Exercise | 5,329 | $7.13 | Discretionary |
| Nov 16, 2006 | ABCO | $33.6K | Option Exercise | 4,714 | $7.13 | Discretionary |
| Nov 16, 2006 | ABCO | $269.4K | Sale | 4,714 | $57.15 | Discretionary |
| Nov 15, 2006 | ABCO | $51.3K | Option Exercise | 7,200 | $7.13 | Discretionary |
| Nov 15, 2006 | ABCO | $412.8K | Sale | 7,200 | $57.34 | Discretionary |
| Aug 15, 2006 | ABCO | $593.4K | Sale | 11,914 | $49.81 | Discretionary |
| Aug 15, 2006 | ABCO | $84.9K | Option Exercise | 11,914 | $7.13 | Discretionary |
| May 15, 2006 | ABCO | $588.3K | Sale | 11,914 | $49.38 | Discretionary |
| May 15, 2006 | ABCO | $84.9K | Option Exercise | 11,914 | $7.13 | Discretionary |