GENZYME CORP 4 SEC Filings | Understand Stock

Filed On	Filing
08 Apr 2011	Form 4: Sanofi-aventis, 10% owner and 1 other Bought 3,947,680 shares · Bought 44,891,208 shares · Bought 20,681,287 shares
06 Apr 2011	Form 4: Berthiaume Douglas A, Director Disposed of 4,048 shares (Tender Offer) ($300K) · Disposed of 60,000 Stock Option (right to buy) (Disposition to Issuer) ($3.71M)
06 Apr 2011	Form 4: Berthiaume Douglas A, Director Received 11,380.86 shares by exercise or conversion · Returned 11,380.86 shares to the issuer ($860K) · Disposed of 71,158 shares (Tender Offer) ($5.27M) · 1 more
06 Apr 2011	Form 4: Mcgillicudy Cornelius Iii, Director Received 8,280.419 shares by exercise or conversion · Returned 8,280.419 shares to the issuer ($625K) · Disposed of 5,000 shares (Tender Offer) ($370K) · 1 more
06 Apr 2011	Form 4: Dzau Victor J, Director Received 6,318.942 shares by exercise or conversion · Returned 6,318.942 shares to the issuer ($476K) · Disposed of 7,550 shares (Tender Offer) ($559K) · 1 more
06 Apr 2011	Form 4: Cooney Charles L, Director Received 6,352.206 shares by exercise or conversion · Returned 6,352.206 shares to the issuer ($478K) · Disposed of 11,109 shares (Tender Offer) ($822K) · 1 more
06 Apr 2011	Form 4: Whitworth Ralph V, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 10,606,248 shares (Tender Offer) ($785M) · 1 more
06 Apr 2011	Form 4: Ende Eric J, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 7,125 Stock Option (right to buy) (Disposition to Issuer) ($367K)
06 Apr 2011	Form 4: Carpenter Robert J, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 31,825 shares (Tender Offer) ($2.36M) · 1 more
06 Apr 2011	Form 4: Burakoff Steven, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 7,125 Stock Option (right to buy) (Disposition to Issuer) ($367K)
06 Apr 2011	Form 4: Syron Richard F/CA, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 5,011 shares (Tender Offer) ($371K) · 1 more
06 Apr 2011	Form 4: Fenton Dennis M, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 355 shares (Tender Offer) ($26.3K) · 1 more
06 Apr 2011	Form 4: Boudreaux Gail, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 5,000 shares (Tender Offer) ($370K) · 1 more
06 Apr 2011	Form 4: Bertolini Robert J, Director Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 2,375 shares (Tender Offer) ($176K) · 1 more
06 Apr 2011	Form 4: Amello Jason, CorpContrllr,ChiefAccntOfficer Received 5,005 shares by exercise or conversion · Disposed of 2,084 shares (Tender Offer) ($154K) · Returned 5,005 shares to the issuer ($370K) · 1 more
06 Apr 2011	Form 4: Wyzga Michael S, Executive VP and CFO Received 29,250 shares by exercise or conversion · Disposed of 28,105 shares (Tender Offer) ($2.08M) · Returned 29,250 shares to the issuer ($2.16M) · 1 more
06 Apr 2011	Form 4: Wirth Peter, Exec VP,Legal & Corporate Dev. Received 29,250 shares by exercise or conversion · Disposed of 15,808 shares (Tender Offer) ($1.17M) · Returned 29,250 shares to the issuer ($2.16M) · 1 more
06 Apr 2011	Form 4: Termeer Henri A, Director Received 64,768 shares by exercise or conversion · Returned 64,768 shares to the issuer ($4.79M) · Disposed of 493,165 shares (Tender Offer) ($36.5M) · 1 more
06 Apr 2011	Form 4: Smith Sandford D, Exe VP,President Int'l Group Received 14,500 shares by exercise or conversion · Returned 14,500 shares to the issuer ($1.07M) · Disposed of 20,671 shares (Tender Offer) ($1.53M) · 1 more
06 Apr 2011	Form 4: Smith Alan E, Sr VP,Chief Scientific Officer Received 7,815 shares by exercise or conversion · Returned 7,815 shares to the issuer ($578K) · Disposed of 37,842 shares (Tender Offer) ($2.8M) · 1 more

08 Apr 2011

Form 4: Sanofi-aventis, 10% owner and 1 other

Bought 3,947,680 shares · Bought 44,891,208 shares · Bought 20,681,287 shares

06 Apr 2011

Disposed of 4,048 shares (Tender Offer) ($300K) · Disposed of 60,000 Stock Option (right to buy) (Disposition to Issuer) ($3.71M)

06 Apr 2011

Form 4: Berthiaume Douglas A, Director

Received 11,380.86 shares by exercise or conversion · Returned 11,380.86 shares to the issuer ($860K) · Disposed of 71,158 shares (Tender Offer) ($5.27M) · 1 more

06 Apr 2011

Form 4: Mcgillicudy Cornelius Iii, Director

Received 8,280.419 shares by exercise or conversion · Returned 8,280.419 shares to the issuer ($625K) · Disposed of 5,000 shares (Tender Offer) ($370K) · 1 more

06 Apr 2011

Form 4: Dzau Victor J, Director

Received 6,318.942 shares by exercise or conversion · Returned 6,318.942 shares to the issuer ($476K) · Disposed of 7,550 shares (Tender Offer) ($559K) · 1 more

06 Apr 2011

Form 4: Cooney Charles L, Director

Received 6,352.206 shares by exercise or conversion · Returned 6,352.206 shares to the issuer ($478K) · Disposed of 11,109 shares (Tender Offer) ($822K) · 1 more

06 Apr 2011

Form 4: Whitworth Ralph V, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 10,606,248 shares (Tender Offer) ($785M) · 1 more

06 Apr 2011

Form 4: Ende Eric J, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 7,125 Stock Option (right to buy) (Disposition to Issuer) ($367K)

06 Apr 2011

Form 4: Carpenter Robert J, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 31,825 shares (Tender Offer) ($2.36M) · 1 more

06 Apr 2011

Form 4: Burakoff Steven, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 7,125 Stock Option (right to buy) (Disposition to Issuer) ($367K)

06 Apr 2011

Form 4: Syron Richard F/CA, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 5,011 shares (Tender Offer) ($371K) · 1 more

06 Apr 2011

Form 4: Fenton Dennis M, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 355 shares (Tender Offer) ($26.3K) · 1 more

06 Apr 2011

Form 4: Boudreaux Gail, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 5,000 shares (Tender Offer) ($370K) · 1 more

06 Apr 2011

Form 4: Bertolini Robert J, Director

Received 2,375 shares by exercise or conversion · Returned 2,375 shares to the issuer ($176K) · Disposed of 2,375 shares (Tender Offer) ($176K) · 1 more

06 Apr 2011

Form 4: Amello Jason, CorpContrllr,ChiefAccntOfficer

Received 5,005 shares by exercise or conversion · Disposed of 2,084 shares (Tender Offer) ($154K) · Returned 5,005 shares to the issuer ($370K) · 1 more

06 Apr 2011

Form 4: Wyzga Michael S, Executive VP and CFO

Received 29,250 shares by exercise or conversion · Disposed of 28,105 shares (Tender Offer) ($2.08M) · Returned 29,250 shares to the issuer ($2.16M) · 1 more

06 Apr 2011

Form 4: Wirth Peter, Exec VP,Legal & Corporate Dev.

Received 29,250 shares by exercise or conversion · Disposed of 15,808 shares (Tender Offer) ($1.17M) · Returned 29,250 shares to the issuer ($2.16M) · 1 more

06 Apr 2011

Form 4: Termeer Henri A, Director

Received 64,768 shares by exercise or conversion · Returned 64,768 shares to the issuer ($4.79M) · Disposed of 493,165 shares (Tender Offer) ($36.5M) · 1 more

06 Apr 2011

Form 4: Smith Sandford D, Exe VP,President Int'l Group

Received 14,500 shares by exercise or conversion · Returned 14,500 shares to the issuer ($1.07M) · Disposed of 20,671 shares (Tender Offer) ($1.53M) · 1 more

06 Apr 2011

Form 4: Smith Alan E, Sr VP,Chief Scientific Officer

Received 7,815 shares by exercise or conversion · Returned 7,815 shares to the issuer ($578K) · Disposed of 37,842 shares (Tender Offer) ($2.8M) · 1 more