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Sunday, November 29, 2009, 9:20PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Cubist Pharmaceuticals Inc. (CBST)On Nov 27: 16.61  Down 0.22 (1.31%)  
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
Purchases2,7001
Sales12,4385
Net Shares Purchased
(Sold)
(9,738)6
Total Insider Shares Held169.20K N/A
% Net Shares Purchased
(Sold)
(5.4%) N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(12,034,700)
% Change in Institutional Shares Held(25.1%)
Data provided by Thomson Financial

INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTypeTransactionValue*
30-Sep-09GILMAN STEVEN C
Officer
72DirectAcquisition (Non Open Market) at $20.20 per share.$1,454
30-Sep-09VETTICADEN SANTOSH
Officer
134DirectAcquisition (Non Open Market) at $20.20 per share.$2,706
26-Aug-09MAUPAY WALTER R JR
Director
8,000DirectOption Exercise at $10.13 - $20.3 per share.N/A
5-Aug-09STEA GREGORY
Officer
3,000DirectOption Exercise at $13.19 - $22 per share.N/A
5-Aug-09STEA GREGORY
Officer
2,808DirectOption Exercise at $13.19 - $20 per share.N/A
3-Aug-09STEA GREGORY
Officer
318DirectOption Exercise at $13.19 - $20 per share.N/A
3-Aug-09STEA GREGORY
Officer
2,750DirectOption Exercise at $10.35 - $19.79 per share.N/A
22-Jul-09MAUPAY WALTER R JR
Director
8,000DirectOption Exercise at $10.13 - $18 per share.N/A
30-Jun-09JOSEPH TAMARA L
Officer
1,126DirectAcquisition (Non Open Market) at $15.58 - $18.33 per share.$19,0002
30-Jun-09GILMAN STEVEN C
Officer
633DirectAcquisition (Non Open Market) at $15.58 - $18.33 per share.$11,0002
30-Jun-09VETTICADEN SANTOSH
Officer
583DirectAcquisition (Non Open Market) at $15.58 - $18.33 per share.$9,8842
30-Jun-09FELLOWS LINDON M
Officer
627DirectAcquisition (Non Open Market) at $15.58 - $18.33 per share.$11,0002
30-Jun-09BONNEY MICHAEL W
Officer
962DirectAcquisition (Non Open Market) at $15.58 per share.$14,987
30-Jun-09PEREZ ROBERT J
Officer
827DirectAcquisition (Non Open Market) at $15.58 per share.$12,884
11-Jun-09MAUPAY WALTER R JR
Director
1,300DirectOption Exercise at $10.13 per share.$13,169
5-Jun-09SOETERS MARTINUS HERMANUS
Director
658DirectAcquisition (Non Open Market) at $18.22 per share.$11,988
4-Jun-09GREGOIRE SYLVIE
Director
658DirectAcquisition (Non Open Market) at $18.22 per share.$11,988
4-Jun-09ROSENBERG MARTIN
Director
658DirectAcquisition (Non Open Market) at $18.22 per share.$11,988
4-Jun-09WOOD MICHAEL B
Director
658DirectAcquisition (Non Open Market) at $18.22 per share.$11,988
4-Jun-09CORRIGAN MARK
Director
658DirectAcquisition (Non Open Market) at $18.22 per share.$11,988
4-Jun-09BATE KENNETH
Director
987DirectAcquisition (Non Open Market) at $18.22 per share.$17,983
7-May-09GREGOIRE SYLVIE
Director
2,700DirectPurchase at $16.94 per share.$45,738
31-Mar-09STEA GREGORY
Officer
674DirectAcquisition (Non Open Market) at $16.36 per share.$11,026
31-Mar-09JOSEPH TAMARA L
Officer
531DirectAcquisition (Non Open Market) at $16.36 per share.$8,687
31-Mar-09GILMAN STEVEN C
Officer
293DirectAcquisition (Non Open Market) at $16.36 per share.$4,793
31-Mar-09VETTICADEN SANTOSH
Officer
254DirectAcquisition (Non Open Market) at $16.36 per share.$4,155
31-Mar-09FELLOWS LINDON M
Officer
515DirectAcquisition (Non Open Market) at $16.36 per share.$8,425
31-Mar-09BONNEY MICHAEL W
Officer
674DirectAcquisition (Non Open Market) at $16.36 per share.$11,026
31-Mar-09PEREZ ROBERT J
Officer
674DirectAcquisition (Non Open Market) at $16.36 per share.$11,026
31-Mar-09MCGIRR DAVID W J
Officer
674DirectAcquisition (Non Open Market) at $16.36 per share.$11,026
30-Mar-09ROSENBERG MARTIN
Director
2,000DirectOption Exercise at $9.56 per share.$19,120
9-Mar-09WOOD MICHAEL B
Director
2,000DirectOption Exercise at $10.02 per share.$20,040
12-Feb-09STEA GREGORY
Officer
1DirectStatement of OwnershipN/A
14-Jan-09SINGLETON J MATTHEW
Director
2,000DirectOption Exercise at $11.89 per share.$23,780
14-Jan-09SINGLETON J MATTHEW
Director
2,000DirectAutomatic Sale at $22.76 per share.$45,520
31-Dec-08JOSEPH TAMARA L
Officer
1,367DirectAcquisition (Non Open Market) at $15.54 per share.$21,243
31-Dec-08FELLOWS LINDON M
Officer
476DirectAcquisition (Non Open Market) at $15.54 per share.$7,397
31-Dec-08BONNEY MICHAEL W
Officer
526DirectAcquisition (Non Open Market) at $15.54 per share.$8,174
31-Dec-08PEREZ ROBERT J
Officer
489DirectAcquisition (Non Open Market) at $15.54 per share.$7,599
17-Dec-08SINGLETON J MATTHEW
Director
2,000DirectOption Exercise at $11.89 per share.$23,780
17-Dec-08SINGLETON J MATTHEW
Director
2,000DirectAutomatic Sale at $23.66 per share.$47,320
2-Dec-08PEREZ ROBERT J
Officer
4,348DirectOption Exercise at $10.35 per share.$45,001
2-Dec-08PEREZ ROBERT J
Officer
4,348DirectAutomatic Sale at $25.98 per share.$112,961
19-Nov-08SINGLETON J MATTHEW
Director
2,000DirectOption Exercise at $11.89 per share.$23,780
19-Nov-08SINGLETON J MATTHEW
Director
2,000DirectAutomatic Sale at $22.78 per share.$45,560
10-Nov-08PEREZ ROBERT J
Officer
5,352DirectOption Exercise at $10.35 per share.$55,393
10-Nov-08PEREZ ROBERT J
Officer
5,352DirectAutomatic Sale at $25.98 per share.$139,044
7-Nov-08PEREZ ROBERT J
Officer
300DirectOption Exercise at $10.35 per share.$3,105
7-Nov-08PEREZ ROBERT J
Officer
300DirectAutomatic Sale at $25.98 per share.$7,794
31-Oct-08MCGIRR DAVID W J
Officer
25,000DirectOption Exercise at $9.98 per share.$249,500
31-Oct-08MCGIRR DAVID W J
Officer
25,000DirectAutomatic Sale at $24.94 per share.$623,500
30-Oct-08PEREZ ROBERT J
Officer
10,000DirectOption Exercise at $10.35 per share.$103,500
30-Oct-08PEREZ ROBERT J
Officer
10,000DirectAutomatic Sale at $22.72 per share.$227,200
29-Oct-08SINGLETON J MATTHEW
Director
2,000DirectOption Exercise at $11.89 per share.$23,780
29-Oct-08SINGLETON J MATTHEW
Director
2,000DirectAutomatic Sale at $21.60 per share.$43,200
23-Oct-08HUTSON NANCY J
Director
2,000DirectPurchase at $20.10 - $21.2 per share.$41,0002
23-Oct-08MCGIRR DAVID W J
Officer
25,000DirectOption Exercise at $10.84 per share.$271,000
23-Oct-08MCGIRR DAVID W J
Officer
25,000DirectSale at $21.23 per share.$530,750
30-Sep-08JOSEPH TAMARA L
Officer
156DirectAcquisition (Non Open Market) at $22.23 per share.$3,467
30-Sep-08GILMAN STEVEN C
Officer
181DirectAcquisition (Non Open Market) at $22.23 per share.$4,023
30-Sep-08FELLOWS LINDON M
Officer
23DirectAcquisition (Non Open Market) at $22.23 per share.$511
22-Jul-08ROSENBERG MARTIN
Director
10,000DirectOption Exercise at $10.02 per share.$100,200
22-Jul-08ROSENBERG MARTIN
Director
10,000DirectAutomatic Sale at $22 per share.$220,000
30-Jun-08JOSEPH TAMARA L
Officer
385DirectAcquisition (Non Open Market) at $17.86 per share.$6,876
30-Jun-08GILMAN STEVEN C
Officer
229DirectAcquisition (Non Open Market) at $17.86 per share.$4,089
30-Jun-08FELLOWS LINDON M
Officer
644DirectAcquisition (Non Open Market) at $15.18 - $17.86 per share.$11,0002
30-Jun-08BONNEY MICHAEL W
Officer
757DirectAcquisition (Non Open Market) at $15.18 per share.$11,491
30-Jun-08PEREZ ROBERT J
Officer
865DirectAcquisition (Non Open Market) at $15.18 - $17.86 per share.$14,0002
18-Jun-08MARTIN DAVID W JR
Director
32,261DirectDisposition (Non Open Market) at $0 per share.N/A
18-Jun-08MARTIN DAVID W JR
Director
32,261IndirectAcquisition (Non Open Market) at $0 per share.N/A
11-Jun-08SOETERS MARTINUS HERMANUS
Director
680DirectAcquisition (Non Open Market) at $17.63 per share.$11,988
11-Jun-08GREGOIRE SYLVIE
Director
680DirectAcquisition (Non Open Market) at $17.63 per share.$11,988
11-Jun-08WOOD MICHAEL B
Director
680DirectAcquisition (Non Open Market) at $17.63 per share.$11,988
11-Jun-08MARTIN DAVID W JR
Director
680DirectAcquisition (Non Open Market) at $17.63 per share.$11,988
11-Jun-08BATE KENNETH
Director
1,020DirectAcquisition (Non Open Market) at $17.63 per share.$17,982
1-May-08MARTIN DAVID W JR
Director
700DirectOption Exercise at $5.25 per share.$3,675
31-Mar-08GILMAN STEVEN C
Officer
121DirectAcquisition (Non Open Market) at $18.42 per share.$2,228
31-Mar-08FELLOWS LINDON M
Officer
384DirectAcquisition (Non Open Market) at $18.42 per share.$7,073
31-Mar-08BONNEY MICHAEL W
Officer
562DirectAcquisition (Non Open Market) at $18.42 per share.$10,352
31-Mar-08PEREZ ROBERT J
Officer
489DirectAcquisition (Non Open Market) at $18.42 per share.$9,007
31-Mar-08MCGIRR DAVID W J
Officer
562DirectAcquisition (Non Open Market) at $18.42 per share.$10,352
31-Mar-08GUIFFRE CHRISTOPHERD T
Officer
307DirectAcquisition (Non Open Market) at $18.42 per share.$5,654
12-Feb-08GILMAN STEVEN C
Officer
2,000DirectStatement of OwnershipN/A
10-Jan-08MAUPAY WALTER R JR
Director
7,000DirectOption Exercise at $3.19 per share.$22,330
31-Dec-07FELLOWS LINDON M
Officer
415DirectAcquisition (Non Open Market) at $17.14 per share.$7,113
31-Dec-07BONNEY MICHAEL W
Officer
612DirectAcquisition (Non Open Market) at $17.14 per share.$10,489
31-Dec-07PEREZ ROBERT J
Officer
502DirectAcquisition (Non Open Market) at $17.14 per share.$8,604
31-Dec-07GUIFFRE CHRISTOPHERD T
Officer
253DirectAcquisition (Non Open Market) at $17.14 per share.$4,336
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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