Pharmacyclics, Inc.
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(Name of Issuer)
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Common Stock, par value $0.0001 per share
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(Title of Class of Securities)
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716933106
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(CUSIP Number)
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June 14, 2011
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(Date of Event which Requires Filing of this Statement)
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CUSIP No. 716933106
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1
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NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
Felix J. Baker
|
|
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
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(a) ¨
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(b) ¨
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||
3
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SEC USE ONLY
|
|
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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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-
|
6
|
SHARED VOTING POWER
5,704,870
|
|
7
|
SOLE DISPOSITIVE POWER
-0-
|
|
8
|
SHARED DISPOSITIVE POWER
5,704,870
|
9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,704,870
|
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(See Instructions)
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¨
|
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.6%
|
|
12
|
TYPE OF REPORTING PERSON (See Instructions)
IN
|
CUSIP No. 716933106
|
||
1
|
NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
Julian C. Baker
|
|
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a) ¨
|
(b) ¨
|
||
3
|
SEC USE ONLY
|
|
4
|
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
|
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE VOTING POWER
-0-
|
6
|
SHARED VOTING POWER
5,704,870
|
|
7
|
SOLE DISPOSITIVE POWER
-0-
|
|
8
|
SHARED DISPOSITIVE POWER
5,704,870
|
9
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,704,870
|
|
10
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(See Instructions)
|
¨
|
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
8.6%
|
|
12
|
TYPE OF REPORTING PERSON (See Instructions)
IN
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Item 1(a)
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Name of Issuer:
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Item 1(b)
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Address of Issuer’s Principal Executive Offices:
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Item 2(a)
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Name of Person Filing:
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Item 2(b)
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Address of Principal Business Office or, if None, Residence:
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Name
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Business Address
|
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Felix J. Baker
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667 Madison Avenue
|
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New York, NY 10065
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||
Julian C. Baker
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667 Madison Avenue
|
|
New York, NY 10065
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Item 2(c)
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Citizenship:
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Item 2(d)
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Title of Class of Securities:
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Item 2(e)
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CUSIP Number:
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Item 3.
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If this statement is filed pursuant to §§240.13d-1(b) or (c), check whether the person filing is a: N/A
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Item 4.
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Ownership.
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Name
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Number of
Shares
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Percent of Class
Outstanding
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||||||
Baker Bros. Investments II, L.P.
|
2,094 | 0.0 | % | |||||
Baker Brothers Life Sciences, L.P.
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5,577,465 | 8.4 | % | |||||
14159, L.P.
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125,311 | 0.2 | % | |||||
Total
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5,704,870 | 8.6 | % |
Item 5.
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Ownership of Five Percent or Less of a Class.
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Item 6.
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Ownership of More than Five Percent on Behalf of Another Person.
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Item 7.
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
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Item 8.
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Identification and Classification of Members of the Group.
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Item 9.
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Notice of Dissolution of Group.
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Item 10.
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Certification.
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/s/ Felix J. Baker
|
|
Felix J. Baker
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/s/ Julian C. Baker
|
|
Julian C. Baker
|
/s/ Felix J. Baker
|
|
Felix J. Baker
|
|
/s/ Julian C. Baker
|
|
Julian C. Baker
|