MPM BIOVENTURES I LP

CIK 00012631994 companiesBOSTON, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001263199

Recent Transactions

30 trades

Conversion
OSCIENT PHARMACEUTICALS CORP
Common Stock
2009-05-15$1.10/sh+4,222→ 4,222 total
Conversion
OSCIENT PHARMACEUTICALS CORP
Convertible Promissory Notes
2009-05-15
Conversion
OSCIENT PHARMACEUTICALS CORP
12.50% Convertible Guaranteed Senior Promissory Notes
2009-05-15
Sale
Pharmasset Inc
Common Stock
2008-06-19$19.92/sh−100→ 2,119,831 total
Sale
Pharmasset Inc
Common Stock
2008-06-19$20.00/sh−1,400→ 2,118,331 total
Sale
Pharmasset Inc
Common Stock
2008-06-19$19.91/sh−500→ 2,119,931 total
Sale
Pharmasset Inc
Common Stock
2008-06-19$19.90/sh−153,700→ 2,120,431 total
Other
Pharmasset Inc
Common Stock
2008-02-04−1,500,000→ 2,651,132 total
Other
Pharmasset Inc
Common Stock
2008-02-04+57,353→ 57,353 total
Other
Pharmasset Inc
Common Stock
2008-02-04+35,558→ 35,558 total
Sale
Pharmasset Inc
Common Stock
2008-02-04$23.86/sh−27,300→ 2,623,832 total
Other
Pharmasset Inc
Common Stock
2008-02-04+27,925→ 27,925 total
Sale
OSCIENT PHARMACEUTICALS CORP
Common Stock
2005-08-17$2.66/sh−160,000→ 7,172,050 total
Sale
OSCIENT PHARMACEUTICALS CORP
Common Stock
2005-08-16$2.64/sh−150,000→ 7,332,050 total
Sale
OSCIENT PHARMACEUTICALS CORP
Common Stock
2005-08-15$2.61/sh−50,000→ 7,482,050 total
Conversion
VIACELL INC
Series H Preferred Stock
2005-01-26−470,155→ 0 total
Purchase
VIACELL INC
Common Stock Warrant
2005-01-26$8.00/sh+12,620→ 12,620 total
Purchase
VIACELL INC
Common Stock Warrant
2005-01-26$8.00/sh+1,213→ 1,213 total
Conversion
VIACELL INC
Series E Preferred Stock
2005-01-26−1,666,667→ 0 total
Conversion
VIACELL INC
Series D Preferred Stock
2005-01-26−666,667→ 0 total
Conversion
VIACELL INC
Common Stock
2005-01-26+666,667→ 666,667 total
Conversion
VIACELL INC
Common Stock
2005-01-26+2,000,000→ 4,333,334 total
Purchase
VIACELL INC
Common Stock Warrant
2005-01-26$8.00/sh+111,167→ 111,167 total
Conversion
VIACELL INC
Common Stock
2005-01-26+125,000→ 4,928,489 total
Conversion
VIACELL INC
Common Stock
2005-01-26+470,155→ 4,803,489 total
Conversion
VIACELL INC
Series G Preferred Stock
2005-01-26−2,000,000→ 0 total
Conversion
VIACELL INC
Series J Preferred Stock
2005-01-26−125,000→ 0 total
Conversion
VIACELL INC
Common Stock
2005-01-26+194,128→ 194,128 total
Conversion
VIACELL INC
Common Stock
2005-01-26+1,666,667→ 2,333,334 total
Conversion
VIACELL INC
Series I Preferred Stock
2005-01-26−194,128→ 0 total

Companies

Recent Filings

Address

C/O MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR

BOSTON, MA, 02116

View on SEC.gov