X0306 4 2014-08-22 false 0001418091 TWITTER, INC. TWTR 0001590852 Baratta Luca 1355 MARKET STREET, SUITE 900 SAN FRANCISCO CA 94103 false true false false VP, Finance and Accounting Off Common Stock 2014-08-22 4 M false 417 1.83 A 290707 D Common Stock 2014-08-22 4 S false 417 45.04 D 290290 D Employee Stock Option (right to buy) 1.83 2014-08-22 4 M false 417 0 D 2020-11-22 Common Stock 417 1250 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. Of the reported shares 250,305 shares are represented by RSUs. An option to purchase 20,000 shares was granted on November 23, 2010 and was exercised in part prior to the date on which the Reporting Person became subject to section 16. One-fourth of the shares subject to the option vested on November 22, 2011 and one forty-eighth of the shares vest monthly thereafter. /s/ Sean Edgett, Attorney-in-Fact 2014-08-26