X0306 4 2015-02-11 0 0001131554 SYNCHRONOSS TECHNOLOGIES INC SNCR 0001363530 Waldis Stephen G 200 CROSSING BOULEVARD SUITE 800 BRIDGEWATER NJ 08807 1 1 0 0 CEO and Chairman Common Stock 2015-02-11 4 S 0 8309 41.71 D 611209 D Common Stock 2015-02-11 4 M 0 21000 9.93 A 632209 D Common Stock 2015-02-11 4 S 0 21000 42.77 D 611209 D Common Stock 53606 I As GP of Waldis Family Partnership Stock Option (Right to Purchase 9.93 2015-02-11 4 M 0 21000 0.00 D 2009-12-19 2015-12-19 Common Stock 21000 59000 D Represents sale to cover vesting of shares of Restricted Stock. The weighted average sales price is reported as stock sales were aggregated for reporting purposes. The per share transaction price ranged from $42.40 to $43.17. The reporting person will provide, upon request from an appropriate party, the pre share sales volume and prices. Shares held by the Waldis Family Partnership L.P., of which Stephen G. Waldis is the general partner. The option shall become exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completes 12 months of continuous service after December 19, 2008. The option shall become exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. All of the sales reported on this Form were effected pursuant to an approved Rule 10b5-1 trading plan /s/ Stephen G. Waldis 2015-02-13