Insider · CIK 0001231953

KEISER DAVID W

Reports to the SEC for 1 company · CHESHIRE, CT

sec.gov

Transactions

Companies

Filings

CIK

0001231953

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2009-06-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+2,440 sh	$20.58	+$50.2K	161,986
2009-06-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+4,810 sh	$20.58	+$99K	166,796
2009-06-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+17.5K sh	$20.83	+$365K	184,296
2009-06-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+15.3K sh	$32.25	+$492K	199,546
2009-06-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−38.2K sh	$36.59	−$1.4M	161,346
2009-06-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−1,800 sh	$37.25	−$67.1K	159,546
2009-06-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−10K sh	$36.63	−$366K	149,546
2009-06-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−2,440 sh	—	—	0
2009-06-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−4,810 sh	—	—	0
2009-06-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−17.5K sh	—	—	0
2009-06-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−15.3K sh	—	—	0
2009-05-11	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−7,800 sh	$35.01	−$273K	159,546
2009-05-07	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−2,200 sh	$35.00	−$77K	167,346
2009-05-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+7,000 sh	$13.79	+$96.5K	176,546
2009-05-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+1,250 sh	$10.36	+$13K	177,796
2009-05-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+16.5K sh	$16.35	+$270K	194,296
2009-05-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+15.3K sh	$20.58	+$314K	209,546
2009-05-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−38.1K sh	$32.77	−$1.25M	171,446
2009-05-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−1,900 sh	$33.40	−$63.5K	169,546
2009-05-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−7,000 sh	—	—	0
2009-05-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−1,250 sh	—	—	0
2009-05-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−16.5K sh	—	—	0
2009-05-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−15.3K sh	—	—	2,440
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+10.8K sh	$10.50	+$114K	198,601
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+1,178 sh	$10.50	+$12.4K	199,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+1,000 sh	$10.19	+$10.2K	200,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+14.2K sh	$11.65	+$166K	215,019
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+5,760 sh	$11.65	+$67.1K	220,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+7,000 sh	$13.79	+$96.5K	227,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−24K sh	$35.92	−$862K	203,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−16K sh	$36.76	−$588K	187,779
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−696 sh	$35.95	−$25K	187,083
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−5,200 sh	$36.00	−$187K	181,883
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−2,337 sh	$36.78	−$86K	179,546
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−6,500 sh	$35.92	−$233K	173,046
2009-04-01	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−3,500 sh	$36.78	−$129K	169,546
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockM Exercise/Conversion	Director	MExercise/Conversion	−10.8K sh	—	—	0
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockS Sale	Director	SSale	−1,178 sh	—	—	0
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockS Sale	Director	SSale	−1,000 sh	—	—	0
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockS Sale	Director	SSale	−14.2K sh	—	—	0
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockS Sale	Director	SSale	−5,760 sh	—	—	0
2009-04-01	ALEXION PHARMACEUTICALS, INC.Option to Purchase Common StockS Sale	Director	SSale	−7,000 sh	—	—	6,000
2009-03-16	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−3,281 sh	$34.25	−$112K	187,779
2009-03-13	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−10K sh	$35.01	−$350K	191,060
2009-03-10	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−304 sh	$32.34	−$9,831.36	201,060
2009-03-02	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+4,632 sh	$8.05	+$37.3K	205,996
2009-03-02	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+4,000 sh	$10.19	+$40.8K	209,996
2009-03-02	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+6,250 sh	$10.36	+$64.8K	216,246
2009-03-02	ALEXION PHARMACEUTICALS, INC.M Exercise/Conversion	Director	MExercise/Conversion	+25.1K sh	$10.50	+$264K	241,364
2009-03-02	ALEXION PHARMACEUTICALS, INC.S Sale	Director	SSale	−31.4K sh	$32.62	−$1.02M	209,964

Recent filings

Accepted (ET)
Jun 34
KEISER DAVID W0001231977-09-000055
SEC(opens sec.gov)
May 124
KEISER DAVID W0001231977-09-000048
SEC(opens sec.gov)
May 84
KEISER DAVID W0001231977-09-000047
SEC(opens sec.gov)
May 54
KEISER DAVID W0001231977-09-000046
SEC(opens sec.gov)

Companies

ALEXION PHARMACEUTICALS, INC.Director

Address

C/O ALEXION PHARMACEUTICALS INC 352 KNOTTER DRIVE

CHESHIRE, CT, 06410