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
                                                                                  
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response... 0.5
                      
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Waldis Stephen G 		2. Issuer Name and Ticker or Trading Symbol

SYNCHRONOSS TECHNOLOGIES INC [ SNCR ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chief Executive Officer
(Last)          (First)          (Middle)

200 CROSSING BOULEVARD 		3. Date of Earliest Transaction (MM/DD/YYYY)

4/26/2017
(Street)

BRIDGEWATER, NJ 08807
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   4/26/2017     A    13674   (1) A $0   504566   D    
Performance Shares - April   4/26/2017     A    13674   (2) A $0   13674   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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 Purchase)   $24.62   4/26/2017     A      40219       4/26/2018   (3) 4/26/2024   Common Stock   40219.0   $0   40219   D    

Explanation of Responses:
(1)  Shares of restricted stock granted pursuant to the Company's 2015 Equity Incentive Plan. One-third of the shares vest on each of April 26, 2018, 2019 and 2020.
(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 certain of 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)  The option shall become exerciseable with respect to one-fourth of the shares subject to the option when the Reporting Person completes each year of continuous service after April 26, 2017 and 1/48th monthly thereafter.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Waldis Stephen G
200 CROSSING BOULEVARD
BRIDGEWATER, NJ 08807 		X
Chief Executive Officer

Signatures
/s/ Stephen G. Waldis 4/28/2017
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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.