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Home > Insider Trading > Filing (0001225208-10-013418)

Filing Details

Accession Number:: 0001225208-10-013418
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-05-19 13:00:00
Reporting Period:: 2010-05-17

Filing Date:: 2010-05-19
Accepted Time:: 2010-05-19 11:53:37
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
732485	Genzyme Corp	GENZ	Biological Products, (No Disgnostic Substances) (2836)	061047163

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1021041	Peter Wirth	500 Kendall Street Cambridge MA 02142	Exec Vp,Legal & Corporate Dev.	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Genzyme Common Stock (Genz)	Acquisiton	2010-05-17	48,216	$26.50	55,072	No	4	M	Direct
Genzyme Common Stock (Genz)	Disposition	2010-05-17	48,216	$50.51	6,856	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Show Other Fields >>

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Genzyme Common Stock (Genz)	Stock Option (right to buy)	Disposition	2010-05-17	48,216	$26.50	48,216	$26.50

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2000-05-25	2010-05-25	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Genzyme Common Stock (Genz)	148	Indirect	By IRA

Footnotes

The sales reported were effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on March 5, 2010.
Includes 668 shares purchased from the issuer's Employee Stock Purchase Plan from April 2009 through April 2010.