CUSIP
No. 54142L109
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Page 2 of 10
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1
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NAMES
OF REPORTING PERSONS
Prism
Venture Partners IV, L.P.
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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
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
|
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6
|
SHARED
VOTING POWER
3,416,526
|
||
7
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SOLE
DISPOSITIVE POWER
|
||
8
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SHARED
DISPOSITIVE POWER
3,416,526
|
||
9
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,416,526
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
15.4%
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||
12
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TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP
No. 54142L109
|
Page 3 of 10
|
1
|
NAMES
OF REPORTING PERSONS
Prism
Investment Partners IV, L.P.
|
||
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
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
|
|
6
|
SHARED
VOTING POWER
3,416,526
|
||
7
|
SOLE
DISPOSITIVE POWER
|
||
8
|
SHARED
DISPOSITIVE POWER
3,416,526
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,416,526
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
15.4%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
|
CUSIP
No. 54142L109
|
Page 4 of
10
|
1
|
NAMES
OF REPORTING PERSONS
Prism
Venture Partners IV, LLC
|
||
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
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
|
|
6
|
SHARED
VOTING POWER
3,416,526
|
||
7
|
SOLE
DISPOSITIVE POWER
|
||
8
|
SHARED
DISPOSITIVE POWER
3,416,526
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,416,526
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
15.4%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
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CUSIP
No. 54142L109
|
Page 5 of 10
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1
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NAMES
OF REPORTING PERSONS
Steven
J. Benson
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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 of America
|
||
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5
|
SOLE
VOTING POWER
|
|
6
|
SHARED
VOTING POWER
3,416,526
|
||
7
|
SOLE
DISPOSITIVE POWER
|
||
8
|
SHARED
DISPOSITIVE POWER
3,416,526
|
||
9
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,416,526
|
||
10
|
CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE
INSTRUCTIONS)
|
||
11
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
15.4%
|
||
12
|
TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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CUSIP
No. 54142L109
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Page 6 of
10
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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: PVP IV is the record owner of 3,416,526 shares of
Common Stock as of December 31, 2009 (the “Shares”). As the
sole general partner of PVP IV, PIP IV may be deemed to own beneficially
the Shares. As the sole general partner of PIP IV, PVP IV LLC
may be deemed to own beneficially the Shares. As the individual
managing director of PVP IV LLC, Benson also may be deemed to own
beneficially the Shares.
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CUSIP
No. 54142L109
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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 for each Reporting Person are
calculated based on 22,203,101 shares of Common Stock reported by the
Issuer to be outstanding as of October 26, 2009 on Form 10-Q filed with
the Securities and Exchange Commission on October 29,
2009.
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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 dispose or to direct the disposition of: 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 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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Not
applicable.
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Item 8.
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Identification and
Classification of Members of the
Group.
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Not
applicable. The Reporting Persons expressly disclaim membership
in a “group” as used in
Rule 13d-5(b).
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Item 9.
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Notice of Dissolution
of Group.
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Not
applicable.
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Item 10.
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Certification.
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Not
applicable. This Schedule 13G is not filed pursuant to
Rule 13d-1(b) or Rule 13d-1(c).
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CUSIP
No. 54142L109
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Page 8 of 10
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By: Prism
Investment Partners IV, L.P.,
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By: Prism
Venture Partners IV, LLC,
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its
General Partner
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By: Prism
Venture Partners IV, LLC,
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its
General Partner
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CUSIP
No. 54142L109
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Page 9 of 10
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By: Prism
Investment Partners IV, L.P.,
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its General Partner
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By: Prism
Venture Partners IV, LLC,
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its General Partner
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By: Prism
Venture Partners IV, LLC,
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its General Partner
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CUSIP
No. 54142L109
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Page 10 of 10
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