Anesiva,
Inc.
|
||
(Name
of Issuer)
|
||
Common
Stock, par value $0.001 per share
|
||
(Title
of Class of Securities)
|
||
03460L100
|
||
(CUSIP
Number)
|
||
March
14, 2007
|
||
(Date
of Event which Requires Filing of this
Statement)
|
CUSIP
No. 03460L100
|
||||
1
|
NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
Felix
J. Baker
|
|||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
|
(a)
¨
(b)
x
|
||
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
1,852,321
|
||
7
|
SOLE
DISPOSITIVE POWER
-0-
|
||
8
|
SHARED
DISPOSITIVE POWER
1,852,321
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,852,321
|
||
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
6.8%
|
||
12
|
TYPE
OF REPORTING PERSON (See Instructions)
IN
|
CUSIP
No. 03460L100
|
||||
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)
x
|
||
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
1,852,321
|
||
7
|
SOLE
DISPOSITIVE POWER
-0-
|
||
8
|
SHARED
DISPOSITIVE POWER
1,852,321
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,852,321
|
|||
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
6.8%
|
|||
12
|
TYPE
OF REPORTING PERSON (See Instructions)
IN
|
Item
1(a)
|
Name
of Issuer:
|
Anesiva,
Inc.
|
|
Item
1(b)
|
Address
of Issuer’s Principal Executive Offices:
|
650
Gateway Boulevard
|
|
South
San Francisco, California 94080
|
|
Item
2(a)
|
Name
of Person Filing:
|
Item
2(b)
|
Address
of Principal Business Office or, if None, Residence:
|
|
Name
|
Business
Address
|
|
Felix
J. Baker
|
667
Madison Avenue
|
|
New
York, NY 10021
|
||
Julian
C. Baker
|
667
Madison Avenue
|
|
New
York, NY 10021
|
||
Item
2(c)
|
Citizenship:
|
|
Each
of the Reporting Persons is a United States citizen.
|
||
Item
2(d)
|
Title
of Class of Securities:
|
|
Common
Stock, par value $0.001 per share
|
||
Item
2(e)
|
CUSIP
Number:
|
|
03460L100
|
Item
3.
|
If
this statement is filed pursuant to §§240.13d-1(b) or (c), check whether
the person filing is a: N/A
|
|
(a)
o
|
Broker
or dealer registered under Section 15 of the Exchange
Act.
|
|
(b)
o
|
Bank
as defined in section 3(a)(6) of the Exchange Act.
|
|
(c)
o
|
Insurance
company as defined in section 3(a)(19) of the Exchange
Act.
|
|
(d) o
|
Investment
company registered under section 8 of the Investment Company Act
of
1940.
|
|
(e) o
|
An
investment adviser in accordance with Rule
13d-1(b)(1)(ii)(E).
|
(f)
o
|
An
employee benefit plan or endowment fund in accordance with Rule
13d-1(b)(1)(ii)(F).
|
|
(g)
o
|
A
parent holding company or control person in accordance with Rule
13d-1(b)(1)(ii)(G).
|
|
(h)
o
|
A
savings association as defined in Section 3(b) of the Federal Deposit
Insurance Act.
|
|
(i)
o
|
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.
|
|
(j)
o
|
Group,
in accordance with Rule
13d-1(b)(1)(ii)(J).
|
Item
4.
|
Ownership.
|
Name
|
Number
of Shares
|
Percent
of Class
Outstanding
|
|||||
Baker
Bros. Investments II, L.P.
|
1,314
|
0.0
|
|||||
Baker
Biotech Fund I, L.P.
|
480,218
|
1.7
|
%
|
||||
Baker
Brothers Life Sciences, L.P.
|
1,314,989
|
4.8
|
%
|
||||
14159,
L.P.
|
42,576
|
0.2
|
%
|
||||
Baker/Tisch
Investments, L.P.
|
13,224
|
0.1
|
%
|
||||
|
|
|
|||||
Total
|
1,852,321
|
6.8
|
%
|
Item 5. | Ownership of Five Percent or Less of a Class. |
Item 6. | Ownership of More than Five Percent on Behalf of Another Person. |
Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
N/A | |
Item 8. | Identification and Classification of Members of the Group. |
N/A | |
Item 9. | Notice of Dissolution of Group. |
N/A | |
Item 10. | Certification. |
|
|
|
April 13, 2007 | /s/ Felix J. Baker | |
Felix
J. Baker
|
|
|
|
/s/ Julian C. Baker | ||
Julian C. Baker |
||
|
|
|
April 13, 2007 | /s/ Felix J. Baker | |
Felix
J. Baker
|
|
|
|
/s/ Julian C. Baker | ||
Julian C. Baker |
||