P L Zack

Insider Trading: Purchases
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ISCA, ISCB $25.79 425 Large Shareholder, Other 18,131,202 2009-06-23 Filing
ISCA, ISCB $26.44 150 Large Shareholder, Other 18,130,777 2009-06-09 Filing
ISCA, ISCB $26.23 185 Large Shareholder, Other 18,130,627 2009-06-05 Filing
ISCA, ISCB $25.84 185 Large Shareholder, Other 18,130,442 2009-06-03 Filing
ISCA, ISCB $22.57 353 Large Shareholder, Other 18,130,257 2009-05-13 Filing
ISCA, ISCB $24.88 373 Large Shareholder, Other 18,129,904 2009-05-07 Filing
ISCA, ISCB $24.88 373 Large Shareholder, Other 18,129,531 2009-05-06 Filing
ISCA, ISCB $23.64 373 Large Shareholder, Other 18,129,158 2009-05-05 Filing
ISCA, ISCB $22.64 370 Large Shareholder, Other 18,128,785 2009-04-24 Filing
ISCA, ISCB $22.43 370 Large Shareholder, Other 18,128,415 2009-04-22 Filing
ISCA, ISCB $19.64 301 Large Shareholder, Other 18,128,045 2009-04-15 Filing
ISCA, ISCB $20.00 301 Large Shareholder, Other 18,127,744 2009-04-13 Filing
ISCA, ISCB $20.19 881 Large Shareholder, Other 18,127,443 2009-04-07 Filing
ISCA, ISCB $21.40 961 Large Shareholder, Other 18,126,562 2009-03-23 Filing
ISCA, ISCB $20.35 995 Large Shareholder, Other 18,125,601 2009-03-18 Filing
ISCA, ISCB $18.30 436 Large Shareholder, Other 18,124,606 2009-03-11 Filing
ISCA, ISCB $17.67 436 Large Shareholder, Other 18,124,170 2009-03-10 Filing
ISCA, ISCB $16.40 436 Large Shareholder, Other 18,123,734 2009-03-09 Filing
ISCA, ISCB $17.00 298 Large Shareholder, Other 18,123,298 2009-03-05 Filing
ISCA, ISCB $17.63 298 Large Shareholder, Other 18,123,000 2009-03-04 Filing