W David Keiser

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
ALXN $36.63 10,000 $366,300.00 149,546 2009-06-01 Filing
ALXN $37.25 1,800 $67,050.00 159,546 2009-06-01 Filing
ALXN $36.59 38,200 $1,397,738.00 161,346 2009-06-01 Filing
ALXN $35.01 7,800 $273,078.00 159,546 2009-05-11 Filing
ALXN $35.00 2,200 $77,000.00 167,346 2009-05-07 Filing
ALXN $33.40 1,900 $63,460.00 169,546 2009-05-01 Filing
ALXN $32.77 38,100 $1,248,537.00 171,446 2009-05-01 Filing
ALXN $36.78 3,500 $128,730.00 169,546 2009-04-01 Filing
ALXN $35.92 6,500 $233,480.00 173,046 2009-04-01 Filing
ALXN $36.78 2,337 $85,954.86 179,546 2009-04-01 Filing
ALXN $36.00 5,200 $187,200.00 181,883 2009-04-01 Filing
ALXN $35.95 696 $25,021.20 187,083 2009-04-01 Filing
ALXN $36.76 16,000 $588,160.00 187,779 2009-04-01 Filing
ALXN $35.92 24,000 $862,080.00 203,779 2009-04-01 Filing
ALXN $34.25 3,281 $112,374.25 187,779 2009-03-16 Filing
ALXN $35.01 10,000 $350,100.00 191,060 2009-03-13 Filing
ALXN $32.34 304 $9,831.36 201,060 2009-03-10 Filing
ALXN $33.80 8,600 $290,680.00 201,364 2009-03-02 Filing
ALXN $32.62 31,400 $1,024,268.00 209,964 2009-03-02 Filing
ALXN $39.46 10,000 $394,600.00 201,364 2009-02-17 Filing