Sec Form 4 Filing - KRUPKA MICHAEL A @ VONAGE HOLDINGS CORP - 2015-01-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person KRUPKA MICHAEL A 2. Issuer Name and Ticker or Trading Symbol VONAGE HOLDINGS CORP [ VG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O BAIN CAPITAL VENTURE PARTNERS, LLC, JOHN HANCOCK TOWER 200 CLARENDON STREET 3. Date of Earliest Transaction (MM/DD/YY) 01/01/2015 (Street) BOSTON, MA02116 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/01/2015 A 7,545 A $ 0 188,267 D Common Stock 2,001,647 I See Footnotes ( 1 ) ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other KRUPKA MICHAEL A C/O BAIN CAPITAL VENTURE PARTNERS, LLC JOHN HANCOCK TOWER 200 CLARENDON STREET BOSTON, MA02116 X Signatures /s/ Michael A. Krupka 01/05/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Michael A. Krupka is a Managing Director of Bain Capital Venture Investors, LLC ("BCVI"), which is the sole general partner of Bain Capital Venture Partners 2005, L.P. ("BCVP"), which is the sole general partner of Bain Capital Venture Fund 2005, L.P. ("BCVF"). By virtue of these relationships, Mr. Krupka may be deemed to share voting and dispositive power with respect to the shares held by BCVF. Mr. Krupka disclaims beneficial ownership of all such securities except to the extent of his pecuniary interest therein. As of 1/1/2015, BCVF held 1,747,634 shares of Common Stock of the Issuer. ( 2 )Mr. Krupka is a Managing Director of BCVI which is attorney-in-fact for Bain Capital Investors, LLC ("BCI"), which is the managing partner of each of BCIP Associates III ("BCIP III") and BCIP Associates III-B ("BCIP III-B"). BCIP III is the sole member of BCIP Associates III, LLC ("BCIP III LLC") and BCIP III-B is the sole member of BCIP Associates III-B, LLC ("BCIP III-B LLC"). By virtue of these relationships, Mr. Krupka may be deemed to share voting and dispositive power with respect to the shares held by BCIP III LLC and the shares held by BCIP III-B LLC. Mr. Krupka disclaims beneficial ownership of all such securities except to the extent of his pecuniary interest therein. As of 1/1/2015, BCIP III LLC and BCIP III-B LLC held 247,371 and 6,642 shares of Common Stock of the Issuer, respectively.

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