X0202 4 2007-09-10 0 0001131554 SYNCHRONOSS TECHNOLOGIES INC SNCR 0001363530 Waldis Stephen G 750 ROUTE 202 SUITE 600 BRIDGEWATER NJ 08807 1 1 0 0 President and CEO Common Stock 2007-09-10 4 S 0 100 33.81 D 287348 I See footnote (1) Common Stock 2007-09-10 4 S 0 100 33.84 D 287248 I See footnote (1) Common Stock 2007-09-10 4 S 0 100 34.00 D 287148 I See footnote (1) Common Stock 2007-09-10 4 S 0 100 34.29 D 287048 I See footnote (1) Common Stock 2007-09-10 4 S 0 100 34.36 D 286948 I See footnote (1) Common Stock 2007-09-10 4 S 0 100 34.42 D 286848 I See footnote Common Stock 2007-09-10 4 S 0 100 34.50 D 286748 I See footnote Common Stock 2007-09-10 4 S 0 100 34.53 D 286648 I See footnote Common Stock 2007-09-10 4 S 0 100 34.59 D 286548 I See footnote Common Stock 2007-09-10 4 S 0 100 34.67 D 286448 I See footnote Common Stock 2007-09-10 4 S 0 100 34.86 D 286348 I See footnote Common Stock 2007-09-10 4 S 0 100 34.98 D 286248 I See footnote Common Stock 2007-09-10 4 S 0 100 34.99 D 286148 I See footnote Common Stock 2007-09-10 4 S 0 100 35.02 D 286048 I See footnote Common Stock 2007-09-10 4 S 0 100 35.03 D 285948 I See footnote Common Stock 2007-09-10 4 S 0 100 34.89 D 1744820 D Common Stock 2007-09-10 4 S 0 200 34.93 D 1744620 D Common Stock 2007-09-10 4 S 0 200 34.94 D 1744420 D Common Stock 2007-09-10 4 S 0 500 34.95 D 1743920 D Common Stock 2007-09-10 4 S 0 200 34.96 D 1743720 D Common Stock 2007-09-10 4 S 0 200 34.97 D 1743520 D Common Stock 2007-09-10 4 S 0 300 34.98 D 1743220 D Common Stock 2007-09-10 4 S 0 241 34.99 D 1742979 D Common Stock 2007-09-10 4 S 0 59 35.00 D 1742920 D Common Stock 2007-09-10 4 S 0 200 35.02 D 1742720 D Common Stock 2007-09-10 4 S 0 100 35.03 D 1742620 D Common Stock 2007-09-10 4 S 0 100 35.08 D 1742520 D Shares held by the Waldis Family Partnership L.P., of which Stephen G. Waldis is the general partner. Form 4 Filing - continuation report. Related transactions effected by the Reporting Party on September 10, 2007 are reported on additional Forms 4 filed on September 12, 2007 for Reporting Party. ***All of the sales reported in this Form 4 were effected pursuant to an approved Rule 10b5-1 trading plan.*** /s/ Stephen G. Waldis 2007-09-12