X0306 4 2014-10-22 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 2014-10-22 4 M false 417 1.83 A 361757 D Common Stock 2014-10-22 4 S false 417 51.1 D 361340 D Common Stock 2014-10-23 4 M false 5209 1.83 A 366549 D Common Stock 2014-10-23 4 S false 10000 49.916 D 356549 D Employee Stock Option (right to buy) 1.83 2014-10-22 4 M false 417 0 D 2020-11-22 Common Stock 417 417 D Employee Stock Option (right to buy) 1.83 2014-10-23 4 M false 5209 0 D 2020-11-22 Common Stock 5209 5210 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 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-eighty of the shares vest monthly thereafter. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.73 to $50.17 per share. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. An option to purchase 250,000 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 15, 2011 and one forty-eighth of the shares vest monthly thereafter. /s/ Sean Edgett, Attorney-in-Fact 2014-10-24