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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 22 2003	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Sell	S	48.37	82,100	3,971,177	686,129	768.2 K to 686.1 K (-10.69 %)
Oct 22 2003	GENZ	GENZYME CORP	TERMEER HENRI A	Chmn, President and ...	Buy	M	7.27	182,100	1,323,867	768,229	586.1 K to 768.2 K (+31.07 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	46.24	10,800	499,392	16,200
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	32.52	39,423	1,282,036	22,730
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	41.51	145	6,019	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	26.50	20,800	551,200	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	30.98	71,240	2,207,015	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	29.03	40,000	1,161,200	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	20.59	1,568	32,285	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	19.06	10,000	190,600	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	15.31	2,034	31,141	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	26.50	34,183	905,850	8,545
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	29.44	60,000	1,766,400	116,660
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	13.78	12,950	178,451	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	32.52	3,897	126,730	6,150
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	20.59	9,106	187,493	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	13.78	6,220	85,712	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	15.31	5,266	80,622	0
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	13.78	6,220	85,712	24,371	18.2 K to 24.4 K (+34.27 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	20.59	9,106	187,493	18,151	9 K to 18.2 K (+100.67 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	32.52	3,897	126,730	9,045	5.1 K to 9 K (+75.70 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	50.36	196,010	9,871,064	5,148	201.2 K to 5.1 K (-97.44 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	32.52	39,423	1,282,036	201,158	161.7 K to 201.2 K (+24.38 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	41.51	145	6,019	161,735	161.6 K to 161.7 K (+0.09 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	46.24	10,800	499,392	161,590	150.8 K to 161.6 K (+7.16 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	26.50	20,800	551,200	150,790	130 K to 150.8 K (+16.00 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	30.98	71,240	2,207,015	129,990	58.8 K to 130 K (+121.26 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	29.03	40,000	1,161,200	58,750	18.8 K to 58.8 K (+213.33 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	20.59	1,568	32,285	18,750	17.2 K to 18.8 K (+9.13 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	19.06	10,000	190,600	17,182	7.2 K to 17.2 K (+139.24 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	15.31	2,034	31,141	7,182	5.1 K to 7.2 K (+39.51 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	50.36	112,399	5,660,414	4,294	116.7 K to 4.3 K (-96.32 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	15.31	5,266	80,622	116,693	111.4 K to 116.7 K (+4.73 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	26.50	34,183	905,850	111,427	77.2 K to 111.4 K (+44.25 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	29.44	60,000	1,766,400	77,244	17.2 K to 77.2 K (+347.95 %)
Oct 21 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	13.78	12,950	178,451	17,244	4.3 K to 17.2 K (+301.58 %)
Oct 02 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	7.27	25,000	181,750	0
Oct 02 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	46.41	25,000	1,160,250	3,522	28.5 K to 3.5 K (-87.65 %)
Oct 02 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	7.27	25,000	181,750	28,522	3.5 K to 28.5 K (+709.82 %)
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	9.72	19,320	187,790	0
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	49.01	19,320	946,873	58,802	78.1 K to 58.8 K (-24.73 %)
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	9.72	19,320	187,790	78,122	58.8 K to 78.1 K (+32.86 %)
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	9.72	19,320	187,790	0
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	49.01	19,320	946,873	58,802	78.1 K to 58.8 K (-24.73 %)
Sep 16 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	9.72	19,320	187,790	78,122	58.8 K to 78.1 K (+32.86 %)
Sep 15 2003	GENZ	GENZYME CORP	GENZYME CORP	10% Owner	Sell	U	0.00	26,767,514	0	0	26.8 M to 0 (-100.00 %)
Sep 15 2003	GENZ	GENZYME CORP	GENZYME CORP	10% Owner	Buy	P	22.50	3,153,868	70,962,030	26,767,514	23.6 M to 26.8 M (+13.36 %)
Sep 15 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	48.33	8,000	386,640	58,798	66.8 K to 58.8 K (-11.98 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	7.27	25,000	181,750	25,000
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.34	200	9,468	3,514	3.7 K to 3.5 K (-5.39 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.32	621	29,386	3,714	4.3 K to 3.7 K (-14.33 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.29	14,671	693,792	4,335	19 K to 4.3 K (-77.19 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.28	300	14,184	19,006	19.3 K to 19 K (-1.55 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.23	2,008	94,838	19,306	21.3 K to 19.3 K (-9.42 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.19	1,200	56,628	21,314	22.5 K to 21.3 K (-5.33 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	47.15	6,000	282,900	22,514	28.5 K to 22.5 K (-21.04 %)
Sep 03 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	7.27	25,000	181,750	28,514	3.5 K to 28.5 K (+711.44 %)
Sep 04 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	32.52	3,075	99,999	9,225
Sep 04 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	20.75	4,818	99,974	0
Sep 04 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	32.52	3,075	99,999	66,798	63.7 K to 66.8 K (+4.83 %)
Sep 04 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	20.75	4,818	99,974	63,723	58.9 K to 63.7 K (+8.18 %)
Sep 03 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	7.36	12,000	88,320	0
Sep 03 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Gift	G	0.00	100	0	58,905	59 K to 58.9 K (-0.17 %)
Sep 03 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	7.36	12,000	88,320	59,005	47 K to 59 K (+25.53 %)
Sep 03 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	49.00	12,000	588,000	47,005	59 K to 47 K (-20.34 %)
Sep 03 2003	GENZ	GENZYME CORP	BLAIR HENRY E	Director	Sell	S	48.64	4,000	194,560	12,423	16.4 K to 12.4 K (-24.36 %)
Aug 22 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	7.36	12,000	88,320	12,000
Aug 22 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	47.01	12,000	564,120	59,003	71 K to 59 K (-16.90 %)
Aug 22 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	7.36	12,000	88,320	71,003	59 K to 71 K (+20.34 %)
Aug 14 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	7.27	10,000	72,700	0
Aug 14 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	45.61	10,000	456,100	59,001	69 K to 59 K (-14.49 %)
Aug 14 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	7.27	10,000	72,700	69,001	59 K to 69 K (+16.95 %)
Aug 13 2003	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Option Exercise	M	15.13	2,500	37,825	0
Aug 13 2003	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Sell	S	46.33	2,500	115,825	10,654	13.2 K to 10.7 K (-19.01 %)
Aug 13 2003	GENZ	GENZYME CORP	COONEY CHARLES L	Director	Buy	M	15.13	2,500	37,825	13,154	10.7 K to 13.2 K (+23.47 %)
Aug 07 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	7.27	15,000	109,050	10,000
Aug 07 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	44.11	15,000	661,650	58,999	74 K to 59 K (-20.27 %)
Aug 07 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	7.27	15,000	109,050	73,999	59 K to 74 K (+25.42 %)
Aug 04 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Option Exercise	M	7.27	25,000	181,750	50,000
Aug 04 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Sell	S	50.04	25,000	1,251,000	3,509	28.5 K to 3.5 K (-87.69 %)
Aug 04 2003	GENZ	GENZYME CORP	VAN HEEK G JAN	Executive Vice Pres ...	Buy	M	7.27	25,000	181,750	28,509	3.5 K to 28.5 K (+712.45 %)
Jul 29 2003	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Option Exercise	M	7.27	60,000	436,200	0
Jul 29 2003	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Sell	S	52.03	4,000	208,120	6,900	10.9 K to 6.9 K (-36.70 %)
Jul 29 2003	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Sell	S	52.02	13,600	707,472	10,900	24.5 K to 10.9 K (-55.51 %)
Jul 29 2003	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Sell	S	52.00	42,400	2,204,800	24,500	66.9 K to 24.5 K (-63.38 %)
Jul 29 2003	GENZ	GENZYME CORP	MOSCICKI RICHARD A	Senior Vice Preside ...	Buy	M	7.27	60,000	436,200	66,900	6.9 K to 66.9 K (+869.57 %)
Jul 31 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Option Exercise	M	7.27	20,000	145,400	25,000
Jul 31 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Sell	S	50.55	20,000	1,011,000	58,996	79 K to 59 K (-25.32 %)
Jul 31 2003	GENZ	GENZYME CORP	SMITH ALAN E	Senior Vice Preside ...	Buy	M	7.27	20,000	145,400	78,996	59 K to 79 K (+33.90 %)

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