Sec Form 4 Filing - BONNEY MICHAEL W @ CUBIST PHARMACEUTICALS INC - 2014-02-19

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
BONNEY MICHAEL W
2. Issuer Name and Ticker or Trading Symbol
CUBIST PHARMACEUTICALS INC [ CBST]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X __ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Chief Executive Officer
(Last) (First) (Middle)
65 HAYDEN AVENUE
3. Date of Earliest Transaction (MM/DD/YY)
02/19/2014
(Street)
LEXINGTON, MA02421
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/19/2014 M 9,500 A $ 0 171,597 D
Common Stock 02/20/2014 S( 1 ) 3,112 ( 2 ) D $ 75.6004 ( 3 ) 168,485 D
Common Stock 6,603 I 401(k) Plan
Common Stock 600 I Trusts
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units ( 4 ) 02/19/2014 M 9,500 02/19/2014( 5 ) ( 5 ) Common Stock 9,500 $ 0 19,000 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BONNEY MICHAEL W
65 HAYDEN AVENUE
LEXINGTON, MA02421
X Chief Executive Officer
Signatures
/s/ Joseph L. Farmer - Attorney in fact 02/20/2014
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Sold pursuant to a 10(b)5-1 Plan
( 2 )Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units.
( 3 )This transaction was executed in multiple trades at prices ranging from $75.6000 to $75.6125. The price reported in the table reflects the weighted average sale price. The reporting person undertakes to privde upon request to the SEC staff, the issuer or a secruity holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
( 4 )Each restricted stock unit represents a contingent right to receive one share of Cubist common stock for no consideration.
( 5 )The restricted stock units vest 25% annually over a four-year period, with the first 25% vesting one year after the grant date. The restricted stock units do not expire.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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