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GAMCO INVESTORS, INC. ET AL
> AMAC
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/15/2011 | AMERICAN MEDICAL ALERT CORP | AMAC | 487,699 | 83,736 | 4,164,949 | 711,066 | $8.54 |
| 11/30/2011 | AMERICAN MEDICAL ALERT CORP | AMAC | 403,963 | 45,463 | 3,453,884 | 377,954 | $8.55 |
| 11/14/2011 | AMERICAN MEDICAL ALERT CORP | AMAC | 358,500 | 84,941 | 3,075,930 | 731,529 | $8.58 |
| 10/28/2011 | AMERICAN MEDICAL ALERT CORP | AMAC | 273,559 | 273,559 | 2,344,401 | 2,344,401 | $8.57 |
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