Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Institutional Venture Partners XI LP
  2. Issuer Name and Ticker or Trading Symbol
SYNCHRONOSS TECHNOLOGIES INC [SNCR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3000 SAND HILL ROAD, BUILDING 2, SUITE 250
3. Date of Earliest Transaction (Month/Day/Year)
09/26/2008
(Street)

MENLO PARK, CA 94025
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 09/26/2008   P   163,780 A $ 10.43 (1) 2,202,410 I By Institutional Venture Partners XI, L.P. (2)
Common Stock 09/26/2008   P   26,220 A $ 10.43 (1) 352,590 I By Institutional Venture Partners XI GmbH & Co. Beteiligungs KG (3)

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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
Institutional Venture Partners XI LP
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
INSTITUTIONAL VENTURE PARTNERS XI GMBH & CO BETEILIGUNGS KG
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
Institutional Venture Management XI, LLC
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
FOGELSONG NORMAN A
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
Chaffee Todd C
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
Harrick Stephen J
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
Miller J Sanford
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    
Phelps Dennis B
3000 SAND HILL ROAD
BUILDING 2, SUITE 250
MENLO PARK, CA 94025
    X    

Signatures

 /s/ Norman A. Fogelsong, Managing Director for Institutional Venture Partners XI, L.P.   09/29/2008
**Signature of Reporting Person Date

 /s/ Norman A. Fogelsong, Managing Director for Institutional Venture Partners XI GmbH & Co. Beteiligungs KG   09/29/2008
**Signature of Reporting Person Date

 /s/ Norman A. Fogelsong, Managing Director for Institutional Venture Management XI, LLC   09/29/2008
**Signature of Reporting Person Date

 /s/ Melanie Chladek, Attorney-in-Fact for Norman A. Fogelsong   09/29/2008
**Signature of Reporting Person Date

 /s/ Melanie Chladek, Attorney-in-Fact for Todd C. Chaffee   09/29/2008
**Signature of Reporting Person Date

 /s/ Melanie Chladek, Attorney-in-Fact for Stephen J. Harrick   09/29/2008
**Signature of Reporting Person Date

 /s/ Melanie Chladek, Attorney-in-Fact for J. Sanford Miller   09/29/2008
**Signature of Reporting Person Date

 /s/ Melanie Chladek, Attorney-in-Fact for Dennis B. Phelps   09/29/2008
**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 $10.2000 to $10.5000 per share. The reporting persons undertake 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) The shares are owned by Institutional Venture Partners XI, L.P. ("IVP XI"), which is under common control with Institutional Venture Partners XI GmbH & Co. Beteiligungs KG ("IVP XI KG"). Institutional Venture Management XI, LLC ("IVM XI") serves as the sole General Partner of IVP XI, and has sole voting and investment control over the respective shares owned by IVP XI, and may be deemed to own beneficially the shares held by IVP XI. IVM XI however owns no securities of the Issuer directly. Todd C. Chaffee ("Chaffee"), Norman A. Fogelsong ("Fogelsong"), Stephen J. Harrick ("Harrick"), J. Sanford Miller ("Miller") and Dennis B. Phelps ("Phelps") are Managing Directors of IVM XI and share voting and dispositive power over the shares held by IVP XI and IVP XI KG. Each of these individuals disclaims beneficial ownership of the shares reported herein, except to the extent of his or her respective pecuniary interest therein.
(3) The shares are owned by IVP XI KG, which is under common control with IVP XI. IVM XI serves as the sole managing limited partner of IVP XI KG, and has sole voting and investment control over the respective shares owned by IVP XI KG, and may be deemed to own beneficially the shares held by IVP XI KG. IVM XI however owns no securities of the Issuer directly. Chaffee, Fogelsong, Harrick, Miller and Phelps are Managing Directors of IVM XI and share voting and dispositive power over the shares held by IVP XI KG. Each of these individuals disclaims beneficial ownership of the shares reported herein, except to the extent of his or her respective pecuniary interest therein.

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