X0306 4 2014-10-08 false 0001418091 TWITTER, INC. TWTR 0001609815 Roetter Alexander 1355 MARKET STREET, SUITE 900 SAN FRANCISCO CA 94103 false true false false VP, Engineering Common Stock 2014-10-08 4 M false 782 1.83 A 975300 D Common Stock 2014-10-08 4 S false 2344 53.705 D 972956 D Common Stock 2014-10-08 4 S false 2799 53.7076 D 970157 D Common Stock 2014-10-08 4 S false 782 53.5785 D 969375 D Employee Stock Option (right to buy) 1.83 2014-10-08 4 M false 782 0 D 2020-11-22 Common Stock 782 0 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 969,375 shares are represented by RSUs. An option to purchase 150,000 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 October 4, 2011 and on forty-eighth 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 $53.07 to $54.42 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. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $52.78 to $54.44 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. The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $53.29 to $54.21 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. /s/ Sean Edgett, Attorney-in-Fact 2014-10-09