P L Zack

Insider Trading: Purchases
Symbol Price Amount Total Value Remaining Holdings Date Form 4
ISCA, ISCB $29.69 141 $4,186.29 18,160,807 2011-07-11 Filing
ISCA, ISCB $30.92 125 $3,865.00 18,160,666 2011-07-07 Filing
ISCA, ISCB $29.63 125 $3,703.75 18,160,541 2011-07-05 Filing
ISCA, ISCB $28.81 40 $1,152.40 18,160,416 2011-05-31 Filing
ISCA, ISCB $29.70 195 $5,791.50 18,160,376 2011-05-09 Filing
ISCA, ISCB $30.97 287 $8,888.39 18,160,181 2011-04-20 Filing
ISCA, ISCB $30.70 287 $8,810.90 18,159,894 2011-04-19 Filing
ISCA, ISCB $30.25 287 $8,681.75 18,159,607 2011-04-18 Filing
ISCA, ISCB $30.99 239 $7,406.61 18,159,320 2011-04-15 Filing
ISCA, ISCB $29.64 79 $2,341.56 18,159,081 2011-03-24 Filing
ISCA, ISCB $27.39 33 $903.87 18,159,002 2011-03-01 Filing
ISCA, ISCB $29.39 32 $940.48 18,158,969 2011-02-23 Filing
ISCA, ISCB $29.10 131 $3,812.10 18,158,937 2011-01-28 Filing
ISCA, ISCB $29.00 131 $3,799.00 18,158,806 2011-01-26 Filing
ISCA, ISCB $29.10 121 $3,521.10 18,158,675 2011-01-21 Filing
ISCA, ISCB $28.50 121 $3,448.50 18,158,554 2011-01-19 Filing
ISCA, ISCB $25.83 63 $1,627.29 18,158,433 2011-01-10 Filing
ISCA, ISCB $25.25 200 $5,050.00 18,158,370 2010-12-17 Filing
ISCA, ISCB $25.10 282 $7,078.20 18,158,170 2010-12-09 Filing
ISCA, ISCB $23.50 202 $4,747.00 18,157,888 2010-11-30 Filing