X0306 4 2014-10-01 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 2014-10-01 4 M false 5826 14.42 A 375906 D Common Stock 2014-10-01 4 S false 4115 51.2 D 371791 D Common Stock 2014-10-01 4 S false 4625 51.1 D 367166 D Common Stock 2014-10-01 4 S false 5826 51.1 D 361340 D Employee Stock Option (Right to buy) 14.42 2014-10-01 4 M false 5826 0 D 2022-04-11 Common Stock 5826 34961 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 309,690 shares are represented by RSUs. An option to purchase 46,613 shares was granted on April 12, 2012. Shares subject to the option vest in eight equal quarterly installments beginning on July 1, 2014 through April 1, 2016. Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person. /s/ Sean Edgett, Attorney-in-Fact 2014-10-03