X0306 4 2017-03-15 0 0001447599 FITBIT INC FIT 0001645079 MISSAN ANDY C/O FITBIT, INC. 405 HOWARD STREET SAN FRANCISCO CA 94105 0 1 0 0 EVP, GC, & SECRETARY Class A Common Stock 2017-03-15 4 M 0 4550 0 A 59550 D Class A Common Stock 2017-03-15 4 F 0 2026 5.54 D 57524 D Restricted Stock Units 0 2017-03-15 4 M 0 4550 0 D Class A Common Stock 4550 13650 D Vesting of restricted stock units ("RSUs") granted to the Reporting Person on March 15, 2016. Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of on this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes. Each RSU represents a contingent right to receive 1 share of the Issuer's Class A common stock upon settlement for no consideration. 1/4th of the total number of RSUs vested on March 15, 2017, and thereafter shall vest as to 1/16th of the total number of RSUs in equal quarterly installments, until such time as the RSUs are 100% vested, subject to the continuing employment of the Reporting Person on each vesting date. Shares of the Issuer's Class A common stock will be delivered to the Reporting Person upon vesting. /s/ Audrey Fernandez-Elliott, attorney-in-fact 2017-03-17