CUSIP
No. 411307101
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13G
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Page 2 of 10
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1
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NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
THOMAS
WEISEL HEALTHCARE VENTURES PARNERS,
L.P. 58-2667440
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
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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
Delaware
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NUMBER
OF
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5
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SOLE
VOTING POWER
0
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SHARES
BENEFICIALLY
OWNED
BY
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6
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SHARED
VOTING POWER
1,323,792
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|
EACH
REPORTING
PERSON
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7
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SOLE
DISPOSITIVE POWER
0
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WITH:
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8
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SHARED
DISPOSITIVE POWER
1,323,792
|
|
9
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,323,792
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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
5.25%
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12
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TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP
No. 411307101
|
13G
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Page 3 of 10
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1
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NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
THOMAS
WEISEL HEALTHCARE VENTURES PARTNERS,
LLC. 11-3687649
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||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED
BY
|
6
|
SHARED
VOTING POWER
1,323,792
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE
DISPOSITIVE POWER
0
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
1,323,792
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,323,792
|
||
10
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) o
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.25%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
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CUSIP
No. 411307101
|
13G
|
Page 4 of 10
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1
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NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
THOMAS WEISEL
CAPITAL MANAGEMENT, L.L.C. 94-3331306
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2
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
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SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
UNITED
STATES
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED
BY
|
6
|
SHARED
VOTING POWER
1,323,792
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE
DISPOSITIVE POWER
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
1,323,792
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,323,792
|
||
10
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) o
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.25%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
|
CUSIP
No. 411307101
|
13G
|
Page 5 of 10
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1
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NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
THOMAS WEISEL PARTNERS GROUP,
INC. 20-3550472
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||
2
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
|
SEC
USE ONLY
|
||
4
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
UNITED
STATES
|
||
NUMBER
OF
|
5
|
SOLE
VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED
BY
|
6
|
SHARED
VOTING POWER
1,323,792
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE
DISPOSITIVE POWER
|
|
WITH:
|
8
|
SHARED
DISPOSITIVE POWER
1,323,792
|
|
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,323,792
|
||
10
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS) o
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.25%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
|
CUSIP
No. 411307101
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13G
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Page 6 of 10
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Item 1(a).
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Name of
Issuer: [Hansen
Medical Inc.]
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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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Names
of Persons Filing: Thomas
Weisel Healthcare Venture Partners L.P. (the “Fund”);
Thomas Weisel Healthcare
Venture Partners, LLC, which is the sole general partner of the
Fund (the “GP”); Thomas
Weisel Capital Management, LLC, which is the sole managing member
of the general partner of the Fund (the “GPLLC”);and Thomas Weisel Partners Group,
Inc., which is the sole managing member of the managing member of
the general partner of the Fund (the “TWPG”). Each
person named in this paragraph is referred to herein as a “Reporting
Person.”
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Item 2(b).
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Address
of Principal Business Office or, if None, Residence: The address of the
principal business office of the Fund, the GP, the GPLLC and TWPG is One Montgomery
Street, San Francisco, CA 94104
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Item 2(c).
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Citizenship: The Fund is
a limited partnership organized under the laws of the State of
Delaware. The GP and the GPLLC are each a limited
liability company organized under the laws of the State of
Delaware. TWPG is a corporation
organized under the laws of the State of
Delaware.
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Item 2(d).
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Title
of Class of Securities: Common
stock
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Item 2(e).
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CUSIP Number
411307101
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Item 3.
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If this statement is
filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether
the person filing is a:
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Not
applicable.
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Item 4.
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Ownership.
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(a)
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Amount
Beneficially Owned: The Fund is the record owner of 1,323,792 shares (the
“Shares”) as of December 31, 2008. As the sole general partner
of the Fund, the GP may be deemed to own beneficially the
Shares. As the sole managing member of the GP, the sole general
partner of the Fund, the GPLLC may also be deemed to beneficially own the
Shares. As the sole managing member of the GPLLC, the sole
managing member of the sole managing member of the general partner of the
Fund, [TWPG] may
also be deemed to beneficially own the
Shares.
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CUSIP
No. 411307101
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13G
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Page 7 of 10
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(b)
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Percent
of Class: See Line 11 of cover sheets. The
percentages set forth on the cover sheets are calculated based on 25,187,949 shares
reported to be outstanding by the Issuer in Form 10-Q as of October 31,
2008.
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(c)
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Number
of shares as to which such person
has:
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(i)
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sole
power to vote or to direct the vote: See Line 5 of cover
sheets.
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(ii)
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shared
power to vote or to direct the vote: See Line 6 of cover
sheets.
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(iii)
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sole
power to vote or to direct the vote: See Line 7 of cover
sheets.
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(iv)
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shared
power to dispose or to direct the disposition of: See Line 8 of cover
sheets.
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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.
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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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CUSIP
No. 411307101
|
13G
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Page 8 of 10
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CUSIP
No. 411307101
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13G
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Page 9 of 10
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CUSIP
No. 411307101
|
13G
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Page 10 of 10
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