Lance Lissner

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
ALTR $41.34 10,000 $413,400.00 6,156 2012-01-19 Filing
ALTR $39.00 10,000 $390,000.00 6,156 2012-01-18 Filing
ALTR $40.00 10,000 $400,000.00 6,156 2012-01-18 Filing
ALTR $39.00 2,982 $116,298.00 6,156 2012-01-18 Filing
ALTR $38.00 3,000 $114,000.00 9,138 2011-12-02 Filing
ALTR $38.00 10,000 $380,000.00 12,138 2011-12-02 Filing
ALTR $36.50 6,000 $219,000.00 12,138 2011-11-30 Filing
ALTR $48.50 3,060 $148,421.93 4,975 2011-05-03 Filing
ALTR $42.10 2,540 $106,934.00 4,080 2011-03-01 Filing
ALTR $32.00 1,027 $32,864.00 6,620 2010-11-04 Filing
ALTR $32.02 19,979 $639,731.58 7,647 2010-11-04 Filing
ALTR $31.90 69,021 $2,201,769.90 7,647 2010-11-03 Filing
ALTR $31.21 6,000 $187,279.80 7,647 2010-11-01 Filing
ALTR $30.09 6,000 $180,558.00 7,330 2010-10-01 Filing
ALTR $29.90 3,552 $106,204.80 7,330 2010-09-28 Filing
ALTR $28.00 6,000 $168,000.00 10,882 2010-09-16 Filing
ALTR $28.00 6,000 $168,000.00 10,882 2010-08-02 Filing
ALTR $28.00 12,000 $336,000.00 6,003 2010-07-12 Filing
ALTR $27.90 52,000 $1,450,800.00 6,003 2010-07-12 Filing
ALTR $26.92 12,000 $323,040.00 6,003 2010-07-08 Filing