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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * FRIEND DAVID   2. Issuer Name and Ticker or Trading Symbol Carbonite Inc [CARB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and President (Last) (First) (Middle) C/O CARBONITE, INC., 177 HUNTINGTON AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 08/15/2011 (Street) BOSTON, MA 02115 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 08/15/2011   M   3,750 A $ 2.64 758,408 D   Common Stock               3,000 I (1) By Son (1) Common Stock               3,000 I (2) By Son (2) Common Stock               3,000 I (3) By Daughter (3) Common Stock               3,000 I (4) By Daughter (4) Common Stock               100,000 I (5) By Trust (5) Common Stock               500,000 I (6) By Trust (6) Common Stock               101,849 I (7) By Trust (7) Common Stock               106,806 I (8) By Trust (8) Common Stock               101,849 I (9) By Trust (9) Common Stock               106,806 I (10) By Trust (10) Common Stock               24,000 I (11) By Trust (11)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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

Stock Option (right to buy)

$ 2.64

08/15/2011

M

2,438

(12)

11/14/2019

Common Stock

2,438

$ 0

21,938

D

Stock Option (right to buy)

$ 2.64

08/15/2011

M

1,312

(13)

11/14/2019

Common Stock

1,312

$ 0

17,063

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
FRIEND DAVID C/O CARBONITE, INC. 177 HUNTINGTON AVENUE BOSTON, MA 02115	X		CEO and President

Signatures

/s/ Danielle Sheer, by power of attorney		09/13/2011
**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)	These shares are owned by Jasper Friend. The reporting person disclaims beneficial ownership of these securities 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.
(2)	These shares are owned by Zachery Friend. The reporting person disclaims beneficial ownership of these securities 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 by Lilian Friend. The reporting person disclaims beneficial ownership of these securities 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)	These shares are owned by Zoe Friend. The reporting person disclaims beneficial ownership of these securities 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.
(5)	These shares are owned by the David Friend 2011 Qualified Annunity Trust I. The reporting person is trustee of the trust. 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.
(6)	These shares are owned by the David Friend 2010 Qualified Annunity Trust I. The reporting person is trustee of the trust. 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.
(7)	These shares are owned by the David Friend 2009 Qualified Annunity Trust II. The reporting person is trustee of the trust. 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.
(8)	These shares are owned by the David Friend 2009 Qualified Annunity Trust III. The reporting person is trustee of the trust. 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.
(9)	These shares are owned by the Margaret F.A. Shepherd 2009 Qualified Annuity Trust. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities 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.
(10)	These shares are owned by the Margaret F.A. Shepherd 2009 Qualified Annuity Trust II. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these securities 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.
(11)	These shares are owned by the Friend-Shepherd Family 2009 Irrevocable Trust. The reporting person is trustee of the trust. 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.
(12)	This option became exerciseable as to 2,438 shares of common stock on August 14, 2011 and will become exerciseable as to the remaining underlying shares of common stock in 9 equal quarterly installments beginning on November 14, 2011.
(13)	This option became exerciseable as to 1,312 shares of common stock on August 14, 2011 and will become exerciseable as to the remaining underlying shares of common stock in 13 equal quarterly installments beginning on November 14, 2011.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.