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

Overview of all insider trading transactions in GENZYME CORP. Get notifications about new insider transactions in GENZYME CORP for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Oct 26 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Buy	M	15.31	15,000	229,650	661,934	646.9 K to 661.9 K (+2.32 %)
Oct 04 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	0.00	162	0	162
Oct 04 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	A	0.00	176	0	176
Sep 13 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Option Exercise	M	32.52	11,145	362,435	11,145
Sep 13 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Option Exercise	M	32.52	3,075	99,999	3,075
Sep 13 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Sell	S	72.41	14,220	1,029,670	3,230	17.5 K to 3.2 K (-81.49 %)
Sep 13 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Buy	M	32.52	11,145	362,435	17,450	6.3 K to 17.5 K (+176.76 %)
Sep 13 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Buy	M	32.52	3,075	99,999	6,305	3.2 K to 6.3 K (+95.20 %)
Sep 13 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	29.44	20,000	588,800	123,282
Sep 13 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	72.45	20,000	1,449,000	29,853	49.9 K to 29.9 K (-40.12 %)
Sep 13 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	29.44	20,000	588,800	49,853	29.9 K to 49.9 K (+66.99 %)
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Option Exercise	M	53.47	1,000	53,470	3,000
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Option Exercise	M	31.44	16,000	503,040	0
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Sell	S	73.02	1,200	87,624	0	1.2 K to 0 (-100.00 %)
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Sell	S	73.00	15,800	1,153,400	1,200	17 K to 1.2 K (-92.94 %)
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Buy	M	53.47	1,000	53,470	17,000	16 K to 17 K (+6.25 %)
Sep 08 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Buy	M	31.44	16,000	503,040	16,000	0 to 16 K
Sep 02 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Option Exercise	M	31.44	8,000	251,520	16,000
Sep 02 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Sell	S	71.66	6,800	487,288	0	6.8 K to 0 (-100.00 %)
Sep 02 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Sell	S	71.64	1,200	85,968	6,800	8 K to 6.8 K (-15.00 %)
Sep 02 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Buy	M	31.44	8,000	251,520	8,000	0 to 8 K
Aug 25 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Sell	S	74.64	568	42,396	0	568 to 0 (-100.00 %)
Aug 25 2005	GENZ	GENZYME CORP	SMITH SANDFORD D	Senior Vice Preside ...	Sell	S	68.79	550	37,835	568	1.1 K to 568 (-49.19 %)
Aug 01 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	43.90	32,400	1,422,360	48,600
Aug 01 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	75.00	32,400	2,430,000	12,965	45.4 K to 13 K (-71.42 %)
Aug 01 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	43.90	32,400	1,422,360	45,365	13 K to 45.4 K (+249.90 %)
Jul 22 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Option Exercise	M	32.52	63,876	2,077,248	15,545
Jul 22 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Sell	S	71.19	63,876	4,547,332	12,353	76.2 K to 12.4 K (-83.79 %)
Jul 22 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Buy	M	32.52	63,876	2,077,248	76,229	12.4 K to 76.2 K (+517.09 %)
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	13.78	6,108	84,168	9,161
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	15.31	13,169	201,617	0
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	15.13	3,378	51,109	0
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	68.59	22,655	1,553,906	29,853	52.5 K to 29.9 K (-43.15 %)
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	15.31	13,169	201,617	52,508	39.3 K to 52.5 K (+33.48 %)
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	15.13	3,378	51,109	39,339	36 K to 39.3 K (+9.39 %)
Jul 21 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	13.78	6,108	84,168	35,961	29.9 K to 36 K (+20.46 %)
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Option Exercise	M	53.47	40,000	2,138,800	0
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Option Exercise	M	26.50	5,488	145,432	0
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Option Exercise	M	41.50	664	27,556	166
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Sell	S	68.94	46,152	3,181,719	12,353	58.5 K to 12.4 K (-78.89 %)
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Buy	M	26.50	5,488	145,432	58,505	53 K to 58.5 K (+10.35 %)
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Buy	M	53.47	40,000	2,138,800	53,017	13 K to 53 K (+307.29 %)
Jul 19 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Buy	M	41.50	664	27,556	13,017	12.4 K to 13 K (+5.38 %)
Jul 19 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Option Exercise	M	43.90	7,400	324,860	62,215
Jul 19 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Option Exercise	M	43.90	2,277	99,960	6,831
Jul 19 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Sell	S	68.61	7,400	507,714	5,578	13 K to 5.6 K (-57.02 %)
Jul 19 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Buy	M	43.90	2,277	99,960	12,978	10.7 K to 13 K (+21.28 %)
Jul 19 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Buy	M	43.90	7,400	324,860	10,701	3.3 K to 10.7 K (+224.17 %)
Jul 19 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	0.00	10,000	0	30,000	40 K to 30 K (-25.00 %)
Jul 19 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	32.52	64,980	2,113,150	33,745
Jul 19 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	32.52	12,300	399,996	3,075
Jul 19 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	70.00	64,980	4,548,600	12,965	77.9 K to 13 K (-83.37 %)
Jul 19 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	32.52	12,300	399,996	77,945	65.6 K to 77.9 K (+18.74 %)
Jul 19 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	32.52	64,980	2,113,150	65,645	665 to 65.6 K (+9,771.43 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Option Exercise	M	15.13	4,000	60,520	0
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Option Exercise	M	15.13	5,000	75,650	4,000
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Option Exercise	M	15.13	5,000	75,650	9,000
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	66.00	4,000	264,000	40,000	44 K to 40 K (-9.09 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Buy	M	15.13	4,000	60,520	44,000	40 K to 44 K (+10.00 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	65.00	5,000	325,000	40,000	45 K to 40 K (-11.11 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	64.00	5,000	320,000	45,000	50 K to 45 K (-10.00 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Buy	M	15.13	5,000	75,650	50,000	45 K to 50 K (+11.11 %)
Jul 15 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Buy	M	15.13	5,000	75,650	45,000	40 K to 45 K (+12.50 %)
Jul 05 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	0.00	192	0	192
Jul 05 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	A	0.00	209	0	209
Jul 01 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Option Exercise	M	15.13	10,000	151,300	14,000
Jul 01 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	59.97	10,000	599,700	39,998	50 K to 40 K (-20.00 %)
Jul 01 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Buy	M	15.13	10,000	151,300	49,998	40 K to 50 K (+25.00 %)
Jun 17 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	29.44	23,282	685,422	143,282
Jun 17 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	62.41	23,282	1,453,030	29,667	52.9 K to 29.7 K (-43.97 %)
Jun 17 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	29.44	23,282	685,422	52,949	29.7 K to 52.9 K (+78.48 %)
Jun 13 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	62.00	3,940	244,280	39,996	43.9 K to 40 K (-8.97 %)
Jun 08 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Sell	S	62.00	1,060	65,720	43,936	45 K to 43.9 K (-2.36 %)
May 31 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Option Exercise	A	62.98	69,000	4,345,620	69,000
May 31 2005	GENZ	GENZYME CORP	WYZGA MICHAEL S	Executive VP and CF ...	Option Exercise	A	62.98	69,000	4,345,620	69,000
May 31 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	A	62.98	48,500	3,054,530	48,500
May 31 2005	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Option Exercise	A	62.98	48,500	3,054,530	48,500
May 31 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Option Exercise	A	62.98	69,000	4,345,620	69,000
May 31 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Option Exercise	A	62.98	35,000	2,204,300	35,000
May 31 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	A	62.98	69,000	4,345,620	69,000
May 27 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Option Exercise	A	62.98	425,000	26,766,500	425,000
May 27 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	62.98	9,000	566,820	24,000
May 27 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Option Exercise	A	62.98	9,000	566,820	24,000
May 27 2005	GENZ	GENZYME CORP	DZAU VICTOR J	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Gift	G	0.00	200	0	44,996	45.2 K to 45 K (-0.44 %)
May 27 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Gift	G	0.00	175	0	45,196	45.4 K to 45.2 K (-0.39 %)
May 27 2005	GENZ	GENZYME CORP	CARPENTER ROBERT J	Director	Gift	G	0.00	200	0	45,371	45.6 K to 45.4 K (-0.44 %)
May 27 2005	GENZ	GENZYME CORP	BOUDREAUX GAIL	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	BLAIR HENRY E	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 27 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	A	62.98	15,000	944,700	15,000
May 16 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Option Exercise	M	46.39	25,000	1,159,750	75,000
May 16 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Option Exercise	M	43.90	2,277	99,960	9,108
May 16 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Buy	M	43.90	2,277	99,960	3,117	840 to 3.1 K (+271.07 %)
May 16 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Sell	S	64.50	25,000	1,612,500	840	25.8 K to 840 (-96.75 %)
May 16 2005	GENZ	GENZYME CORP	GEMAYEL GEORGES	Executive Vice Pres ...	Buy	M	46.39	25,000	1,159,750	25,840	840 to 25.8 K (+2,976.19 %)
May 18 2005	GENZ	GENZYME CORP	BLAIR HENRY E	Director	Sell	S	62.78	6,226	390,868	1	6.2 K to 1 (-99.98 %)
May 12 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Option Exercise	M	14.00	113,640	1,590,960	0
May 12 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Sell	S	64.06	113,640	7,279,778	646,915	760.6 K to 646.9 K (-14.94 %)
May 12 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Buy	M	14.00	113,640	1,590,960	760,555	646.9 K to 760.6 K (+17.57 %)
May 12 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	32.52	70,000	2,276,400	98,725
May 12 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	64.37	70,000	4,505,900	665	70.7 K to 665 (-99.06 %)
May 12 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	32.52	70,000	2,276,400	70,665	665 to 70.7 K (+10,526.32 %)
May 11 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Option Exercise	M	13.78	47,608	656,038	0
May 11 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Sell	S	62.36	47,608	2,968,835	6,350	54 K to 6.4 K (-88.23 %)
May 11 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Buy	M	13.78	47,608	656,038	53,958	6.4 K to 54 K (+749.73 %)
May 11 2005	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Option Exercise	M	20.59	8,000	164,720	16,000
May 11 2005	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Sell	S	62.70	8,000	501,600	10,214	18.2 K to 10.2 K (-43.92 %)
May 11 2005	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Buy	M	20.59	8,000	164,720	18,214	10.2 K to 18.2 K (+78.32 %)
May 11 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	M	9.72	19,200	186,624	0
May 11 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Buy	M	9.72	19,200	186,624	77,358	58.2 K to 77.4 K (+33.01 %)
May 09 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Option Exercise	M	15.31	54,410	833,017	0
May 09 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Sell	S	62.02	54,410	3,374,508	6,350	60.8 K to 6.4 K (-89.55 %)
May 09 2005	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Buy	M	15.31	54,410	833,017	60,760	6.4 K to 60.8 K (+856.85 %)
Apr 04 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	0.00	237	0	237
Apr 04 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	A	0.00	255	0	255
Mar 04 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Option Exercise	M	9.72	90,000	874,800	0
Mar 04 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Sell	S	58.05	90,000	5,224,500	646,887	736.9 K to 646.9 K (-12.21 %)
Mar 04 2005	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Buy	M	9.72	90,000	874,800	736,887	646.9 K to 736.9 K (+13.91 %)
Feb 07 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	29.44	75,435	2,220,806	0
Feb 07 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	60.03	75,435	4,528,363	490	75.9 K to 490 (-99.35 %)
Feb 07 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	29.44	75,435	2,220,806	75,925	490 to 75.9 K (+15,394.90 %)
Jan 28 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	20.75	19,642	407,572	19,642
Jan 28 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	59.52	19,642	1,169,092	29,507	49.1 K to 29.5 K (-39.96 %)
Jan 28 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	20.75	19,642	407,572	49,149	29.5 K to 49.1 K (+66.57 %)
Jan 28 2005	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Gift	G	0.00	1,612	0	29,507	31.1 K to 29.5 K (-5.18 %)
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	29.44	6,701	197,277	75,435
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	29.44	33,299	980,323	82,136
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	59.50	6,701	398,710	490	7.2 K to 490 (-93.19 %)
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	29.44	6,701	197,277	7,191	490 to 7.2 K (+1,367.55 %)
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	59.50	33,299	1,981,291	490	33.8 K to 490 (-98.55 %)
Jan 28 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	29.44	33,299	980,323	33,789	490 to 33.8 K (+6,795.71 %)
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Option Exercise	M	39.23	47,494	1,863,190	23,746
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Option Exercise	M	32.52	3,075	99,999	12,300
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Sell	S	59.78	47,494	2,839,191	2,584	50.1 K to 2.6 K (-94.84 %)
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Buy	M	39.23	47,494	1,863,190	50,078	2.6 K to 50.1 K (+1,838.00 %)
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Sell	S	59.78	3,075	183,824	2,584	5.7 K to 2.6 K (-54.34 %)
Jan 25 2005	GENZ	GENZYME CORP	CSIMMA ZOLTAN A	Senior VP, Human Re ...	Buy	M	32.52	3,075	99,999	5,659	2.6 K to 5.7 K (+119.00 %)
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	29.44	36,290	1,068,378	115,435
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Option Exercise	M	13.78	8,734	120,355	0
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	60.01	8,734	524,127	490	9.2 K to 490 (-94.69 %)
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	13.78	8,734	120,355	9,224	490 to 9.2 K (+1,782.45 %)
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Sell	S	60.01	36,290	2,177,763	490	36.8 K to 490 (-98.67 %)
Jan 25 2005	GENZ	GENZYME CORP	COLLIER EARL M JR	Executive Vice Pres ...	Buy	M	29.44	36,290	1,068,378	36,780	490 to 36.8 K (+7,406.12 %)
Jan 03 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	M	0.00	258	0	258
Jan 03 2005	GENZ	GENZYME CORP	BERTHIAUME DOUGLAS A	Director	Option Exercise	A	0.00	233	0	233
Jan 03 2005	GENZ	GENZYME CORP	MCGILLICUDY CORNELIUS III	Director	Option Exercise	A	0.00	233	0	233
Nov 29 2004	GENZ	GENZYME CORP	WIRTH PETER	Executive Vice Pres ...	Sell	S	56.00	1,463	81,928	6,805	8.3 K to 6.8 K (-17.69 %)

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