KEISER DAVID W

CIK 00012319531 companyCHESHIRE, CT

SEC Profile

Transactions

Companies

Filings

CIK

0001231953

Recent Transactions

41 trades

Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2005-10-03−5,568→ 0 total
Tax Payment
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2005-10-03$28.03/sh−1,986→ 81,441 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2005-10-03$10.00/sh+5,568→ 87,009 total
Tax Payment
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2005-10-03$28.03/sh−1,986→ 81,441 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2005-10-03−5,568→ 0 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2005-10-03$10.00/sh+5,568→ 87,009 total
Award
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2005-09-21+8,000→ 8,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.71/sh−200→ 58,700 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$2.38/sh+7,500→ 63,000 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$2.38/sh+4,000→ 55,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.70/sh−4,100→ 58,900 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.71/sh−200→ 58,700 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.75/sh−200→ 58,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-12-29−7,500→ 11,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-12-29−4,000→ 0 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$2.38/sh+7,500→ 63,000 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$2.38/sh+4,000→ 55,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.75/sh−200→ 58,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-12-29−4,000→ 0 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-12-29−7,500→ 11,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-12-29$24.70/sh−4,100→ 58,900 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$2.38/sh+11,500→ 43,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$18.06/sh−3,800→ 39,200 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$2.38/sh+11,500→ 43,000 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-09-29−11,500→ 2,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$18.05/sh−200→ 39,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$18.05/sh−200→ 39,000 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to Purchase Common Stock, par value $.0001
2004-09-29−11,500→ 2,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-09-29$18.06/sh−3,800→ 39,200 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-08-30$2.38/sh+11,500→ 35,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to purchase Common Stock, par value $.0001
2004-08-30−11,500→ 13,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-08-30$16.10/sh−4,000→ 31,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-08-30$16.10/sh−4,000→ 31,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Option to purchase Common Stock, par value $.0001
2004-08-30−11,500→ 13,500 total
Exercise/Conversion
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2004-08-30$2.38/sh+11,500→ 35,500 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2003-12-02$20.20/sh−3,000→ 30,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2003-12-02$20.20/sh−3,000→ 30,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2003-10-02$20.01/sh−3,000→ 33,000 total
Sale
ALEXION PHARMACEUTICALS, INC.
Common Stock, par value $.0001
2003-10-02$20.01/sh−3,000→ 33,000 total
Award
ALEXION PHARMACEUTICALS, INC.
Option to purchase Common Stock, par value $.0001 per share
2003-09-23+12,000→ 12,000 total
Award
ALEXION PHARMACEUTICALS, INC.
Option to purchase Common Stock, par value $.0001 per share
2003-09-23+12,000→ 12,000 total

Companies

ALEXION PHARMACEUTICALS, INC.
Director, President & Chief Op. Officer

Recent Filings

Address

C/O ALEXION PHARMACEUTICALS INC 352 KNOTTER DRIVE

CHESHIRE, CT, 06410

View on SEC.gov