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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in ALEXION PHARMACEUTICALS, INC.. Get notifications about new insider transactions in ALEXION PHARMACEUTICALS, INC. for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Option Exercise	M	16.10	625	10,063	0
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Option Exercise	M	16.10	625	10,063	0
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Option Exercise	M	18.16	5,506	99,989	0
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Option Exercise	M	18.16	4,494	81,611	0
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Sell	S	23.47	5,000	117,350	0	5 K to 0 (-100.00 %)
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Sell	S	23.40	3,000	70,200	0	3 K to 0 (-100.00 %)
Jun 29 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN		Sell	S	23.27	3,250	75,628	0	3.3 K to 0 (-100.00 %)
Jun 15 2005	ALXN	ALEXION PHARMACEUT ...	BOWDISH KATHERINE S	Senior Vice Preside ...	Sell	S	21.57	3,000	64,718	40,196	43.2 K to 40.2 K (-6.95 %)
Jun 08 2005	ALXN	ALEXION PHARMACEUT ...	ROLLINS SCOTT A	Sr. VP Drug Dev. & ...	Sell	S	22.25	1,900	42,275	3,100	5 K to 3.1 K (-38.00 %)
Jun 08 2005	ALXN	ALEXION PHARMACEUT ...	MADRI JOSEPH A	Director	Option Exercise	M	2.38	6,800	16,150	0
Jun 08 2005	ALXN	ALEXION PHARMACEUT ...	MADRI JOSEPH A	Director	Sell	S	21.88	1,800	39,384	55,000	56.8 K to 55 K (-3.17 %)
Jun 08 2005	ALXN	ALEXION PHARMACEUT ...	MADRI JOSEPH A	Director	Buy	M	2.38	6,800	16,150	56,800	50 K to 56.8 K (+13.60 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Option Exercise	M	10.00	15,095	150,950	0
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Option Exercise	M	10.00	29,905	299,050	0
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.41	9,494	193,773	4,000	13.5 K to 4 K (-70.36 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.43	2,849	58,205	13,494	16.3 K to 13.5 K (-17.43 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.32	3,000	60,951	16,343	19.3 K to 16.3 K (-15.51 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.50	2,700	55,350	19,343	22 K to 19.3 K (-12.25 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.52	600	12,312	22,043	22.6 K to 22 K (-2.65 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.53	100	2,053	22,643	22.7 K to 22.6 K (-0.44 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.54	600	12,324	22,743	23.3 K to 22.7 K (-2.57 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.56	100	2,056	23,343	23.4 K to 23.3 K (-0.43 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.54	1,086	22,308	23,443	24.5 K to 23.4 K (-4.43 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.60	9,500	195,700	24,529	34 K to 24.5 K (-27.92 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.65	417	8,611	34,029	34.4 K to 34 K (-1.21 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.80	1,302	27,082	34,446	35.7 K to 34.4 K (-3.64 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.98	500	10,491	35,748	36.2 K to 35.7 K (-1.38 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.02	1,827	38,404	36,248	38.1 K to 36.2 K (-4.80 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.03	1,073	22,565	38,075	39.1 K to 38.1 K (-2.74 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.10	5,300	111,830	39,148	44.4 K to 39.1 K (-11.92 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.11	100	2,111	44,448	44.5 K to 44.4 K (-0.22 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.14	300	6,342	44,548	44.8 K to 44.5 K (-0.67 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.15	700	14,805	44,848	45.5 K to 44.8 K (-1.54 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.16	700	14,812	45,548	46.2 K to 45.5 K (-1.51 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	20.95	1,267	26,545	46,248	47.5 K to 46.2 K (-2.67 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.00	7,900	165,900	47,515	55.4 K to 47.5 K (-14.26 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.01	3,433	72,127	55,415	58.8 K to 55.4 K (-5.83 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.01	587	12,333	58,848	59.4 K to 58.8 K (-0.99 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.02	400	8,408	59,435	59.8 K to 59.4 K (-0.67 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.04	900	18,936	59,835	60.7 K to 59.8 K (-1.48 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.04	500	10,521	60,735	61.2 K to 60.7 K (-0.82 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	21.05	108	2,273	61,235	61.3 K to 61.2 K (-0.18 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Buy	M	10.00	15,095	150,950	61,343	46.2 K to 61.3 K (+32.64 %)
May 03 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Buy	M	10.00	29,905	299,050	46,248	16.3 K to 46.2 K (+182.98 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Option Exercise	A	20.38	8,000	163,040	8,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Grant	A	0.00	4,000	0	15,876	11.9 K to 15.9 K (+33.68 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	DUBIN THOMAS I H	VP & General Counse ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	DUBIN THOMAS I H	VP & General Counse ...	Grant	A	0.00	3,000	0	5,000	2 K to 5 K (+150.00 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BOWDISH KATHERINE S	Senior Vice Preside ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BOWDISH KATHERINE S	Senior Vice Preside ...	Grant	A	0.00	3,000	0	33,196	30.2 K to 33.2 K (+9.94 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	MOTOLA NANCY	Sr. VP Regulatory & ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	MOTOLA NANCY	Sr. VP Regulatory & ...	Grant	A	0.00	3,000	0	3,000	0 to 3 K
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	MOJCIK CHRISTOPHER F	Sr. VP Clinical Dev ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	MOJCIK CHRISTOPHER F	Sr. VP Clinical Dev ...	Grant	A	0.00	3,000	0	3,000	0 to 3 K
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Option Exercise	A	20.38	8,000	163,040	8,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Grant	A	0.00	4,000	0	69,500	65.5 K to 69.5 K (+6.11 %)
Feb 02 2005	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	25.01	4,500	112,545	282,145	286.6 K to 282.1 K (-1.57 %)
Feb 02 2005	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	25.06	500	12,530	286,645	287.1 K to 286.6 K (-0.17 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Option Exercise	A	20.38	22,500	458,550	22,500
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Grant	A	0.00	11,250	0	293,395	282.1 K to 293.4 K (+3.99 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	LUKE BARRY P	VP Finance & Admini ...	Option Exercise	A	20.38	2,500	50,950	2,500
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	LUKE BARRY P	VP Finance & Admini ...	Grant	A	0.00	1,250	0	24,555	23.3 K to 24.6 K (+5.36 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	ROLLINS SCOTT A	Sr. VP Drug Dev. & ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	ROLLINS SCOTT A	Sr. VP Drug Dev. & ...	Grant	A	0.00	3,000	0	5,000	2 K to 5 K (+150.00 %)
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN	Vice President & CF ...	Option Exercise	A	20.38	6,000	122,280	6,000
Mar 11 2005	ALXN	ALEXION PHARMACEUT ...	BOESS CARSTEN	Vice President & CF ...	Grant	A	0.00	3,000	0	3,000	0 to 3 K
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Option Exercise	A	20.38	5,000	101,900	5,000
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Option Exercise	M	10.74	1,334	14,327	0
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Option Exercise	M	14.13	7,500	105,938	0
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Grant	A	0.00	1,300	0	1,300	0 to 1.3 K
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Sell	S	20.19	8,834	178,358	0	8.8 K to 0 (-100.00 %)
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Grant	A	10.74	1,334	14,327	8,834	7.5 K to 8.8 K (+17.79 %)
Mar 10 2005	ALXN	ALEXION PHARMACEUT ...	JACKSON JERRY T		Grant	A	14.13	7,500	105,938	7,500	0 to 7.5 K
Mar 09 2005	ALXN	ALEXION PHARMACEUT ...	Waeger Ruedi E	Director	Option Exercise	A	20.54	12,000	246,480	12,000
Jan 31 2005	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Option Exercise	M	2.38	11,500	27,313	0
Jan 31 2005	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Sell	S	24.70	4,500	111,150	65,500	70 K to 65.5 K (-6.43 %)
Jan 31 2005	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Buy	M	2.38	11,500	27,313	70,000	58.5 K to 70 K (+19.66 %)
Jan 19 2005	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	24.61	2,387	58,744	287,145	289.5 K to 287.1 K (-0.82 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Option Exercise	M	2.38	19,332	45,914	0
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	25.03	9,279	232,253	289,532	298.8 K to 289.5 K (-3.11 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Buy	M	2.38	19,332	45,914	298,811	279.5 K to 298.8 K (+6.92 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	LINK MAX	Director	Option Exercise	D	17.05	2,500	42,625	5,000
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	LINK MAX	Director	Option Exercise	D	15.58	2,500	38,950	2,500
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	LINK MAX	Director	Buy	P	17.05	2,500	42,625	42,657	40.2 K to 42.7 K (+6.23 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	LINK MAX	Director	Buy	P	15.58	2,500	38,950	40,157	37.7 K to 40.2 K (+6.64 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Option Exercise	M	2.38	7,500	17,813	11,500
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Option Exercise	M	2.38	4,000	9,500	0
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Sell	S	24.75	200	4,950	58,500	58.7 K to 58.5 K (-0.34 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Sell	S	24.71	200	4,942	58,700	58.9 K to 58.7 K (-0.34 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Sell	S	24.70	4,100	101,270	58,900	63 K to 58.9 K (-6.51 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Buy	M	2.38	7,500	17,813	63,000	55.5 K to 63 K (+13.51 %)
Dec 30 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Buy	M	2.38	4,000	9,500	55,500	51.5 K to 55.5 K (+7.77 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.15	3,150	79,223	11,876	15 K to 11.9 K (-20.96 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.20	100	2,520	15,026	15.1 K to 15 K (-0.66 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.22	1,150	29,003	15,126	16.3 K to 15.1 K (-7.07 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.23	100	2,523	16,276	16.4 K to 16.3 K (-0.61 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.24	400	10,096	16,376	16.8 K to 16.4 K (-2.38 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.24	540	13,630	16,776	17.3 K to 16.8 K (-3.12 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.00	9,000	225,000	17,316	26.3 K to 17.3 K (-34.20 %)
Dec 21 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Buy	J	0.00	467	0	12,343	11.9 K to 12.3 K (+3.93 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP & Head of Resea ...	Sell	S	25.00	1,810	45,250	26,316	28.1 K to 26.3 K (-6.44 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Option Exercise	M	2.38	10,417	24,740	19,332
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	25.01	5,000	125,050	279,479	284.5 K to 279.5 K (-1.76 %)
Dec 20 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Buy	M	2.38	10,417	24,740	284,479	274.1 K to 284.5 K (+3.80 %)
Dec 16 2004	ALXN	ALEXION PHARMACEUT ...	BOWDISH KATHERINE S	Senior Vice Preside ...	Sell	S	24.10	5,000	120,476	30,196	35.2 K to 30.2 K (-14.21 %)
Dec 14 2004	ALXN	ALEXION PHARMACEUT ...	PARVEN ALVIN S	Director	Option Exercise	A	22.21	7,500	166,575	7,500
Dec 14 2004	ALXN	ALEXION PHARMACEUT ...	LINK MAX	Director	Option Exercise	A	22.21	7,500	166,575	7,500
Dec 14 2004	ALXN	ALEXION PHARMACEUT ...	NORBY R DOUGLAS	Director	Option Exercise	A	22.21	7,500	166,575	7,500
Dec 14 2004	ALXN	ALEXION PHARMACEUT ...	MATHIS LARRY	Director	Option Exercise	A	22.21	7,500	166,575	7,500
Dec 14 2004	ALXN	ALEXION PHARMACEUT ...	MADRI JOSEPH A	Director	Option Exercise	A	22.21	7,500	166,575	7,500
Dec 01 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Option Exercise	M	2.38	11,500	27,313	4,000
Dec 01 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Sell	S	20.02	4,500	90,090	51,500	56 K to 51.5 K (-8.04 %)
Dec 01 2004	ALXN	ALEXION PHARMACEUT ...	KEISER DAVID W	President & Chief O ...	Buy	M	2.38	11,500	27,313	56,000	44.5 K to 56 K (+25.84 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Option Exercise	M	2.38	37,959	90,153	29,749
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Option Exercise	M	2.38	5,791	13,754	0
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.20	10,000	202,000	274,062	284.1 K to 274.1 K (-3.52 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.25	4,500	91,125	284,062	288.6 K to 284.1 K (-1.56 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.26	200	4,052	288,562	288.8 K to 288.6 K (-0.07 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.27	100	2,027	288,762	288.9 K to 288.8 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.28	100	2,028	288,862	289 K to 288.9 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.29	100	2,029	288,962	289.1 K to 289 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.30	3,600	73,080	289,062	292.7 K to 289.1 K (-1.23 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.31	300	6,093	292,662	293 K to 292.7 K (-0.10 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.32	1,000	20,320	292,962	294 K to 293 K (-0.34 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.35	100	2,035	293,962	294.1 K to 294 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.45	2,165	44,274	294,062	296.2 K to 294.1 K (-0.73 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.46	200	4,092	296,227	296.4 K to 296.2 K (-0.07 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.47	635	12,998	296,427	297.1 K to 296.4 K (-0.21 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.48	500	10,240	297,062	297.6 K to 297.1 K (-0.17 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.49	100	2,049	297,562	297.7 K to 297.6 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.50	100	2,050	297,662	297.8 K to 297.7 K (-0.03 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.52	600	12,312	297,762	298.4 K to 297.8 K (-0.20 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.54	500	10,270	298,362	298.9 K to 298.4 K (-0.17 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Sell	S	20.57	200	4,114	298,862	299.1 K to 298.9 K (-0.07 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Buy	M	2.38	37,959	90,153	299,062	261.1 K to 299.1 K (+14.54 %)
Nov 23 2004	ALXN	ALEXION PHARMACEUT ...	BELL LEONARD	Chief Executive Off ...	Buy	M	2.38	5,791	13,754	261,103	255.3 K to 261.1 K (+2.27 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Option Exercise	M	2.38	11,250	26,719	0
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Option Exercise	M	2.38	1,875	4,453	0
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.77	600	12,462	28,126	28.7 K to 28.1 K (-2.09 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.75	100	2,075	28,726	28.8 K to 28.7 K (-0.35 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.76	411	8,532	28,826	29.2 K to 28.8 K (-1.41 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.78	533	11,076	29,237	29.8 K to 29.2 K (-1.79 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.95	567	11,879	29,770	30.3 K to 29.8 K (-1.87 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.90	4,341	90,727	30,337	34.7 K to 30.3 K (-12.52 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	21.00	659	13,839	34,678	35.3 K to 34.7 K (-1.86 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.58	275	5,660	35,337	35.6 K to 35.3 K (-0.77 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.59	2,025	41,695	35,612	37.6 K to 35.6 K (-5.38 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.63	589	12,151	37,637	38.2 K to 37.6 K (-1.54 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Sell	S	20.60	3,025	62,315	38,226	41.3 K to 38.2 K (-7.33 %)
Nov 19 2004	ALXN	ALEXION PHARMACEUT ...	SQUINTO STEPHEN P	EVP, Head of Resear ...	Buy	M	2.38	11,250	26,719	41,251	30 K to 41.3 K (+37.50 %)

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