Michael J. Vaughan serves as Executive at AMERICAN DENTAL PARTNERS INC, where they oversee executive responsibilities. Since joining the company, Michael J. Vaughan has executed 24 insider transactions totaling $1.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 9, 2012 involved selling 46,641 shares valued at $886.2K.
Michael J. Vaughan currently holds 46,641 shares of AMERICAN DENTAL PARTNERS INC (ADPI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael J. Vaughan has been a net seller of ADPI stock. They have purchased $0 and sold $1.8M worth of shares.
Michael J. Vaughan's most recent insider trade was on Feb 9, 2012, when they sold 46,641 shares at $19.00 per share.
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| 5,785 |
| $N/A |
| Discretionary |
| Jan 9, 2012 | ADPI | $10.0K | Other | 907 | $11.02 | Discretionary |
| Aug 3, 2011 | ADPI | $10.0K | Other | 908 | $11.02 | Discretionary |
| Mar 31, 2011 | ADPI | $0 | Award | 27,000 | $N/A | Discretionary |
| Jan 10, 2011 | ADPI | $10.0K | Other | 971 | $10.29 | Discretionary |
| Jul 13, 2010 | ADPI | $10.0K | Other | 969 | $10.29 | Discretionary |
| Jan 22, 2010 | ADPI | $8.7K | Other | 1,134 | $7.71 | Discretionary |
| Jul 22, 2009 | ADPI | $12.5K | Other | 2,119 | $5.90 | Discretionary |
| Jan 21, 2009 | ADPI | $13.0K | Other | 2,199 | $5.90 | Discretionary |
| May 7, 2007 | ADPI | $47.8K | Option Exercise | 9,145 | $5.23 | Discretionary |
| May 7, 2007 | ADPI | $126.0K | Sale | 5,030 | $25.05 | Discretionary |
| May 7, 2007 | ADPI | $29.0K | Option Exercise | 5,030 | $5.77 | Discretionary |
| May 7, 2007 | ADPI | $229.1K | Sale | 9,145 | $25.05 | Discretionary |
| May 4, 2007 | ADPI | $32.3K | Option Exercise | 6,168 | $5.23 | Discretionary |
| May 4, 2007 | ADPI | $156.5K | Sale | 6,168 | $25.37 | Discretionary |
| May 3, 2007 | ADPI | $393.3K | Sale | 15,437 | $25.48 | Discretionary |
| May 3, 2007 | ADPI | $80.7K | Option Exercise | 15,437 | $5.23 | Discretionary |
| May 3, 2007 | ADPI | $35.0K | Option Exercise | 6,663 | $5.25 | Discretionary |
| May 3, 2007 | ADPI | $382.2K | Sale | 15,000 | $25.48 | Discretionary |
| May 3, 2007 | ADPI | $382.2K | Sale | 15,000 | $25.48 | Discretionary |
| May 3, 2007 | ADPI | $69.0K | Option Exercise | 15,000 | $4.60 | Discretionary |
| May 3, 2007 | ADPI | $169.8K | Sale | 6,663 | $25.48 | Discretionary |
| May 3, 2007 | ADPI | $71.3K | Option Exercise | 15,000 | $4.75 | Discretionary |