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 * Frederick John W.   2. Issuer Name and Ticker or Trading Symbol SYNCHRONOSS TECHNOLOGIES INC [SNCR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) 200 CROSSING BLVD. 3. Date of Earliest Transaction (Month/Day/Year) 03/24/2017 (Street) BRIDGEWATER, NJ 08807 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 03/24/2017   A   17,348 (1) A $ 0 17,348 D   Performance Shares 03/24/2017   A   36,623 (2) A $ 0 36,623 D   Common Stock 03/24/2017   A   36,623 (3) A $ 0 53,971 D

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
Frederick John W. 200 CROSSING BLVD. BRIDGEWATER, NJ 08807			Chief Financial Officer

Signatures

John Frederick		03/28/2017
**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)	Shares of restricted stock granted pursuant to the Company's 2015 Equity Incentive Plan. One-fourth of the shares shall vest when the Reporting Person completes 11 months of continuous service after March 24, 2017. The shares of restricted stock shall vest with respect to an additional 1/48th of the shares of restricted stock when the Reporting Person completes each month of continuous service thereafter.
(2)	Represents target number of performance shares. The actual number of the shares subject to be issued, which could range from 0 to two times the initial target amount, will depend upon the issuer's Non-GAAP revenue, EBITDA and recurring revenue during 2017. The shares, if any, will be issued on or about February 2018. The Reporting Person will be entitled to sell the shares on or after February 24, 2020 provided the Reporting Person is continuously employed by the Company through February 24, 2020.
(3)	Shares of restricted stock granted pursuant to the Company's 2015 Equity Incentive Plan. One-third of the shares shall vest on each of February 24, 2018, 2019 and 2020 provided the Reporting Person is continuously employed by the Company.

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