Momenta Pharmaceuticals, Inc. (MNTA)

[floblu14]

DJ CFO SHEA Acquires 46,728 Of MOMENTA PHARMACEUTICALS INC >MNTA
[at least he did NOT sell!]

SOURCE: Form 4

ISSUER: MOMENTA PHARMACEUTICALS INC
SYMBOL: MNTA

FILER: SHEA RICHARD P
TITLE: Chief Financial Officer

DATE TRANSACTION SHARES PRICE VALUE
6/15/12 Exercise* 46,728 $0.61 $28,504

OWNERSHIP: 142,059 (Direct)

* - Exercised 4 years, 7 months after vesting and 1 year, 4 months before
expiration.

The Form 4 is filed with the Securities and Exchange Commission by insiders
to report transactions in their companies' shares. Open market purchases
and sales must be reported within two business days of the transaction.

Insider Data Source: The Washington Service
([e-mail] or 301-913-5100)

(END) Dow Jones Newswires
June 19, 2012 15:05 ET (19:05 GMT)