P L Zack

Insider Trading: Purchases
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ISCA, ISCB $28.00 188 Large Shareholder, Other 18,140,640 2010-05-20 Filing
ISCA, ISCB $28.60 188 Large Shareholder, Other 18,140,452 2010-05-19 Filing
ISCA, ISCB $29.05 188 Large Shareholder, Other 18,140,264 2010-05-17 Filing
ISCA, ISCB $29.65 176 Large Shareholder, Other 18,140,076 2010-05-13 Filing
ISCA, ISCB $29.25 176 Large Shareholder, Other 18,139,900 2010-05-11 Filing
ISCA, ISCB $28.00 120 Large Shareholder, Other 18,139,724 2010-05-07 Filing
ISCA, ISCB $30.00 120 Large Shareholder, Other 18,139,604 2010-05-06 Filing
ISCA, ISCB $30.01 120 Large Shareholder, Other 18,139,484 2010-05-05 Filing
ISCA, ISCB $27.25 51 Large Shareholder, Other 18,139,364 2010-04-16 Filing
ISCA, ISCB $27.35 106 Large Shareholder, Other 18,139,313 2010-03-10 Filing
ISCA, ISCB $26.20 173 Large Shareholder, Other 17,869,235 2010-02-02 Filing
ISCA, ISCB $27.50 398 Large Shareholder, Other 17,869,062 2010-01-29 Filing
ISCA, ISCB $28.65 250 Large Shareholder, Other 17,868,664 2010-01-19 Filing
ISCA, ISCB $29.50 528 Large Shareholder, Other 17,868,414 2010-01-11 Filing
ISCA, ISCB $28.80 400 Large Shareholder, Other 17,867,886 2010-01-08 Filing
ISCA, ISCB $29.49 400 Large Shareholder, Other 17,867,486 2010-01-07 Filing
ISCA, ISCB $29.05 400 Large Shareholder, Other 17,867,086 2010-01-05 Filing
ISCA, ISCB $28.75 206 Large Shareholder, Other 17,866,686 2009-12-31 Filing
ISCA, ISCB $28.78 206 Large Shareholder, Other 17,866,480 2009-12-30 Filing
ISCA, ISCB $28.30 143 Large Shareholder, Other 17,866,274 2009-12-23 Filing