0001193125-13-058291.txt : 20130214 0001193125-13-058291.hdr.sgml : 20130214 20130214111300 ACCESSION NUMBER: 0001193125-13-058291 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20130214 DATE AS OF CHANGE: 20130214 GROUP MEMBERS: EDWARD T. ANDERSON GROUP MEMBERS: NORTH BRIDGE VENTURE MANAGEMENT IV, L.P. GROUP MEMBERS: NORTH BRIDGE VENTURE MANAGEMENT V, L.P. GROUP MEMBERS: NORTH BRIDGE VENTURE PARTNERS IV-A, L.P. GROUP MEMBERS: NORTH BRIDGE VENTURE PARTNERS IV-B, L.P. GROUP MEMBERS: NORTH BRIDGE VENTURE PARTNERS V-A, L.P. GROUP MEMBERS: NORTH BRIDGE VENTURE PARTNERS V-B, L.P. GROUP MEMBERS: RICHARD A. D'AMORE SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: A123 SYSTEMS, INC. CENTRAL INDEX KEY: 0001167178 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690] IRS NUMBER: 043583876 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-85172 FILM NUMBER: 13607947 BUSINESS ADDRESS: STREET 1: 200 WEST STREET CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 6177785700 MAIL ADDRESS: STREET 1: 200 WEST STREET CITY: WALTHAM STATE: MA ZIP: 02451 FORMER COMPANY: FORMER CONFORMED NAME: A123 SYSTEMS INC DATE OF NAME CHANGE: 20020212 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: NBVM GP, LLC CENTRAL INDEX KEY: 0001401650 IRS NUMBER: 202844497 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 950 WINTER STREET STREET 2: SUITE 4600 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-290-0004 MAIL ADDRESS: STREET 1: 950 WINTER STREET STREET 2: SUITE 4600 CITY: WALTHAM STATE: MA ZIP: 02451 SC 13G/A 1 d483255dsc13ga.htm SCHEDULE 13G SCHEDULE 13G

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13G

(Rule 13d-102)

 

 

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

(Amendment No. 1 )*

 

 

A123 Systems, Inc.

 

 

(Name of Issuer)

Common Stock, par value $0.001 per share

 

 

(Title of Class of Securities)

03739T108

 

 

(CUSIP Number)

December 31, 2012

 

 

Date of Event Which Requires Filing of the Statement

 

 

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

x Rule 13d-1(d)

 

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 


CUSIP NO. 03739T108   13G   Page 2 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NBVM GP, LLC

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

OO


CUSIP NO. 03739T108   13G   Page 3 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE MANAGEMENT IV, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 4 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE MANAGEMENT V, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 5 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE PARTNERS IV-A, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 6 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE PARTNERS IV-B, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 7 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE PARTNERS V-A, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 8 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

NORTH BRIDGE VENTURE PARTNERS V-B, L.P.

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  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

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

PN


CUSIP NO. 03739T108   13G   Page 9 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

 

EDWARD T. ANDERSON

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  3.  

SEC USE ONLY

 

  4.  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

U.S. citizen

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

   5.    

SOLE VOTING POWER

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

IN


CUSIP NO. 03739T108   13G   Page 10 of 15 Pages

 

 

  1.   

NAME OF REPORTING PERSON

S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

 

RICHARD A. D’AMORE

  2.  

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a)  ¨        (b)  x

 

  3.  

SEC USE ONLY

 

  4.  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

U.S. citizen

NUMBER OF

SHARES

BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

   5.    

SOLE VOTING POWER

 

See Item 5

   6.   

SHARED VOTING POWER

 

See Item 5

   7.   

SOLE DISPOSITIVE POWER

 

See Item 5

   8.   

SHARED DISPOSITIVE POWER

 

See Item 5

  9.  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

See Item 5

10.  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

 

¨

11.  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

 

See Item 5

12.  

TYPE OF REPORTING PERSON

 

IN


CUSIP NO. 03739T108   13G   Page 11 of 15 Pages

 

 

Item 1(a) Name of Issuer

A123 Systems, Inc.

 

Item 1(b) Address of Issuer’s Principal Executive Offices

200 West Street

Waltham, Massachusetts 02451

 

Item 2(a) Name of Person Filing

NBVM GP, LLC (the “GP of the GP”)

North Bridge Venture Management IV, L.P. (the “NBVM IV GP”)

North Bridge Venture Management V, L.P. (the “NBVM V GP”)

North Bridge Venture Partners IV-A, L.P. (“IV-A”)

North Bridge Venture Partners IV-B, L.P. (“IV-B”)

North Bridge Venture Partners V-A, L.P. (“V-A”)

North Bridge Venture Partners V-B, L.P. (“V-B”)

Edward T. Anderson (“Mr. Anderson”)

Richard A. D’Amore (“Mr. D’Amore”)

 

Item 2(b) Address of Principal Business Office

The address of each of the reporting persons is:

c/o North Bridge Venture Partners

950 Winter Street, Suite 4600

Waltham, Massachusetts 02451

 

Item 2(c) Citizenship

 

GP of the GP

  

Delaware limited liability company

NBVM V GP

  

Delaware limited partnership

NBVM IV GP

  

Delaware limited partnership

IV-A

  

Delaware limited partnership

IV-B

  

Delaware limited partnership

V-A

  

Delaware limited partnership

V-B

  

Delaware limited partnership

Mr. Anderson

  

U.S. citizen

Mr. D’Amore

  

U.S. citizen

 

Item 2(d) Title of Class of Securities

This Schedule 13G report relates to the Common Stock, par value $0.001 per share (“Common Stock”), of A123 Systems, Inc.

 

Item 2(e) CUSIP Number

03739T108

 

Item 3 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:

 

(a)

     ¨     

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

     ¨     

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);


CUSIP NO. 03739T108   13G   Page 12 of 15 Pages

 

(c)

     ¨    Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

     ¨    Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

     ¨    An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

     ¨    An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

     ¨    A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

     ¨    A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

     ¨    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 (15 U.S.C. 80a-3);

(j)

     ¨    Group, in accordance with §240.13d-1(b)(1)(ii)(J).

If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____________.

Not applicable.

Item 4 Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

 

(a)

    

See Item 5

(b)

    

Percent of class:

 

GP of the GP

  

See Item 5

NBVM V GP

  

See Item 5

NBVM IV GP

  

See Item 5

IV-A

  

See Item 5

IV-B

  

See Item 5

V-A

  

See Item 5

V-B

  

See Item 5

Mr. Anderson

  

See Item 5

Mr. D’Amore

  

See Item 5


CUSIP NO. 03739T108   13G   Page 13 of 15 Pages

 

 

(c)

    

Number of shares as to which the person has:

 

     Number of Shares

Reporting Person

  

(i)

  

(ii)

  

(iii)

  

(iv)

GP of the GP

   See Item 5    See Item 5    See Item 5    See Item 5

NBVM V GP

   See Item 5    See Item 5    See Item 5    See Item 5

NBVM IV GP

   See Item 5    See Item 5    See Item 5    See Item 5

IV-A

   See Item 5    See Item 5    See Item 5    See Item 5

IV-B

   See Item 5    See Item 5    See Item 5    See Item 5

V-A

   See Item 5    See Item 5    See Item 5    See Item 5

V-B

   See Item 5    See Item 5    See Item 5    See Item 5

Mr. Anderson

   See Item 5    See Item 5    See Item 5    See Item 5

Mr. D’Amore

   See Item 5    See Item 5    See Item 5    See Item 5

 

(i) Sole power to vote or to direct the vote
(ii) Shared power to vote or to direct the vote
(iii) Sole power to dispose or to direct the disposition of
(iv) Shared power to dispose or to direct the disposition of

 

Item 5 Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following x.

 

Item 6 Ownership of More than Five Percent on Behalf of Another Person

Not applicable.

 

Item 7 Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company

Not applicable.

 

Item 8 Identification and Classification of Members of the Group

Each of the Reporting Persons expressly disclaims membership in a “Group” as defined in Rule 13d-1(b)(ii)(K).

 

Item 9 Notice of Dissolution of Group

Not applicable.

 

Item 10 Certification

Not applicable. This Schedule 13G is not filed pursuant to Rule 13d-1(b) or Rule 13d-1(c).


CUSIP NO. 03739T108   13G   Page 14 of 15 Pages

 

SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

DATED: February 14, 2013.

 

NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE MANAGEMENT V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE MANAGEMENT IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS IV-A, L.P.
By:   North Bridge Venture Management IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager


CUSIP NO. 03739T108   13G   Page 15 of 15 Pages

 

 

NORTH BRIDGE VENTURE PARTNERS IV-B, L.P.
By:   North Bridge Venture Management IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS V-A, L.P.
By:   North Bridge Venture Management V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS V-B, L.P.
By:   North Bridge Venture Management V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
  /s/ Edward T. Anderson
  EDWARD T. ANDERSON
 

/s/ Richard A. D’Amore

  RICHARD A. D’AMORE
EX-99.1 2 d483255dex991.htm EXI EXI

CUSIP NO. 03739T108

EXHIBIT I

JOINT FILING AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of A123 Systems, Inc.

This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.

EXECUTED as of this 14th day of February, 2013.

 

NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE MANAGEMENT V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE MANAGEMENT IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS IV-A, L.P.
By:   North Bridge Venture Management IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager


CUSIP NO. 03739T108

 

NORTH BRIDGE VENTURE PARTNERS IV-B, L.P.
By:   North Bridge Venture Management IV, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS V-A, L.P.
By:   North Bridge Venture Management V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
NORTH BRIDGE VENTURE PARTNERS V-B, L.P.
By:   North Bridge Venture Management V, L.P.
By:   NBVM GP, LLC
By:   /s/ Edward T. Anderson
Name:   Edward T. Anderson
Title:   Manager
  /s/ Edward T. Anderson
  EDWARD T. ANDERSON
 

/s/ Richard A. D’Amore

  RICHARD A. D’AMORE