SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____________________
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SCHEDULE 13G
(Rule 13d-102)
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INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)1
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(Name of Issuer)
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Common Stock, $0.001 par value
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(Title of Class of Securities)
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92337F 10 7
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(CUSIP Number)
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December 31, 2014
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Date of Event Which Requires Filing of this Statement
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1)
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Name of Reporting Person
I.R.S. Identification
No. of Above Person
(Entities Only)
(Voluntary)
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Domain Partners VIII, L.P.
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2)
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Check the Appropriate Box
if a Member of a Group
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(a) [X]
(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
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Delaware
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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
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2,763,294 shares of Common Stock *
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6)
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Shared Voting
Power
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-0-
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7)
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Sole Dispositive
Power
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2,763,294 shares of Common Stock *
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8)
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Shared Dispositive Power
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-0-
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9)
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Aggregate Amount Beneficially Owned by Each Reporting Person
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2,763,294 shares of Common Stock *
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10)
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares
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|||
11)
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Percent of Class Represented by Amount in Row (9)
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12.3% **
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12)
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Type of Reporting Person
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PN
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1)
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Name of Reporting Person
I.R.S. Identification
No. of Above Person
(Entities Only)
(Voluntary)
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DP VIII Associates, L.P.
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||
2)
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Check the Appropriate Box
if a Member of a Group
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(a) [X]
(b) [ ]
|
||
3)
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SEC Use Only
|
|||
4)
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Citizenship or Place
of Organization
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Delaware
|
||
Number of
Shares Beneficially
Owned by Each
Reporting Person
With
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5)
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Sole Voting
Power
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22,730 shares of Common Stock *
|
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6)
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Shared Voting
Power
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-0-
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||
7)
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Sole Dispositive
Power
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22,730 shares of Common Stock *
|
||
8)
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Shared Dispositive Power
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-0-
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||
9)
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Aggregate Amount Beneficially Owned by Each Reporting Person
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22,730 shares of Common Stock *
|
||
10)
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares
|
|||
11)
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Percent of Class Represented by Amount in Row (9)
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0.1% **
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12)
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Type of Reporting Person
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PN
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DOMAIN PARTNERS VIII, L.P.
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By:
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One Palmer Square Associates VIII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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DP VIII ASSOCIATES, L.P.
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By:
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One Palmer Square Associates VIII, L.L.C., General Partner
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By:
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/s/ Kathleen K. Schoemaker
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Managing Member
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