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 OF SECURITIES 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 * VAZIRANI PRAVIN A   2. Issuer Name and Ticker or Trading Symbol Carbonite Inc [CARB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 3000 SAND HILL ROAD, BUILDING 4, SUITE 100 3. Date of Earliest Transaction (Month/Day/Year) 05/24/2012 (Street) MENLO PARK, CA 94025 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 05/24/2012   P   97,466 A $ 7.8046 (1) 6,650,266 I By Menlo Ventures X, L.P. (2) Common Stock 05/24/2012   P   828 A $ 7.8046 (1) 56,528 I By Menlo Entrepreneurs Fund X, L.P. (3) Common Stock 05/24/2012   P   1,706 A $ 7.8046 (1) 116,384 I By MMEF X, L.P. (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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
VAZIRANI PRAVIN A 3000 SAND HILL ROAD BUILDING 4, SUITE 100 MENLO PARK, CA 94025	X	X

Signatures

/s/ Pravin A. Vazirani		05/29/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Price reflected is the weighted-average purchase price for shares purchased. The range of purchase prices for the transactions reported was $7.77 to $7.81 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.
(2)	These shares are owned directly by Menlo Ventures X, L.P. ("Menlo X"), whose sole general partner is MV Management X, L.L.C. ("MVM-X") of which Pravin A. Vazirani is a managing member and shares voting and investment power over the shares held by Menlo X. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.
(3)	These shares are owned directly by Menlo Entrepreneurs Fund X, L.P., whose sole general partner is MVM-X of which Pravin A. Vazirani is a managing member and shares voting and investment power over the shares held by Menlo Entrepreneurs Fund X, L.P. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.
(4)	Theses shares are owned directly by MMEF X, L.P., whose sole general partner is MVM-X of which Pravin A. Vazirani is a managing member and shares voting and investment power over the shares held by MMEF X, L.P. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

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