CUSIP NO. 802817304
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1
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NAME OF REPORTING PERSON:
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
Westfield Capital Management Company, LP
#80-0175963
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2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) ¨
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3
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SEC USE ONLY
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4
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CITIZENSHIP OR PLACE OF ORGANIZATION
Massachusetts
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NUMBER OF
SHARES
BENEFICIALLY
OWNED BY EACH REPORTING
PERSON WITH
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5
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SOLE VOTING POWER
0
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6
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SHARED VOTING POWER
0
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7
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SOLE DISPOSITIVE POWER
0
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8
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SHARED DISPOSITIVE POWER
0
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9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
0
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10
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
o
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11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0%
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12
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
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(a)
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Name of Issuer
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Santarus, Inc.
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(b)
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Address of Issuer’s Principal Executive Offices
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3721 Valley Centre Drive, Suite 400
San Diego, CA 92130
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(a)
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Name of Person Filing
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Westfield Capital Management Company, LP
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(b)
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Address of Principal Business Office or, if none, Residence
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1 Financial Center, Boston, Massachusetts 02111
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(c)
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Citizenship
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Massachusetts
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(d)
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Title of Class of Securities
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Common Stock
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(e)
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CUSIP Number
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802817304
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(a)
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o
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Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). |
(b)
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o
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Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). |
(c)
|
o
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Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). |
(d)
|
o
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Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8). |
(e)
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þ
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An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E); |
(f)
|
o
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An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F); |
(g)
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o
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A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); |
(h)
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o
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A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); |
(i)
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o
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A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); |
(j)
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o
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Group, in accordance with §240.13d-1(b)(1)(ii)(J). |
(a)
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Amount beneficially owned: 0
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(b)
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Percent of class: 0%
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(c)
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Number of shares as to which the person has:
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(i)
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Sole power to vote or to direct the vote: 0
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(ii)
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Shared power to vote or to direct the vote: 0
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(iii)
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Sole power to dispose or to direct the disposition of: 0
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(iv)
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Shared power to dispose or to direct the disposition of: 0
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February 13, 2012
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Date
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/s/ Aaron C. Lally
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Signature
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Aaron C. Lally, Compliance Associate
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Name/Title
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