X0206 3 2013-03-25 0 0001264587 STEMLINE THERAPEUTICS INC STML 0001573722 Hoberman Kenneth 750 LEXINGTON AVENUE 6TH FLOOR NEW YORK NY 10022 0 1 0 0 Chief Operating Officer Common Stock 19288 D Stock Option (right to buy) 1.11 2004-07-01 2013-12-01 Common Stock 112940 D Stock Option (right to buy) 4.09 2010-04-01 2015-04-01 Common Stock 27105 D Stock Option (right to buy) 2.21 2019-05-06 Common Stock 9035 D Stock Option (right to buy) 2.21 2013-01-31 2020-03-22 Common Stock 63246 D Stock Option (right to buy) 2.92 2021-03-08 Common Stock 18070 D Stock Option (right to buy) 2.92 2013-01-31 2021-03-08 Common Stock 18070 D Stock Option (right to buy) 3.30 2013-03-09 Common Stock 43369 D Stock Option (right to buy) 3.30 2022-03-09 Common Stock 54211 D The option vested as to 4,517 shares on May 6, 2012. The remaining 4,518 shares will vests on May 6, 2013. The option vested as to 9,035 shares on March 8, 2013. The remaining shares will vest in two installments. The first 4,517 shares will vest on March 8, 2014 and the second 4,518 shares will vest on March 8, 2015. The option vests as to 10,842 shares on January 28, 2014. Every quarter there after beginning on April 28, 2014, and for the next twelve quarters, an additional 2,711 shares will vest. The option fully vests January 28, 2017. The option vested as to 13,552 shares on February 28, 2013. Every quarter there after beginning on May 31, 2013, and for the next twelve quarters, an additional 3,388 shares will vest. The option fully vests February 28, 2016 /s/ Kenneth Hoberman 2013-04-04