X0206 3 2016-07-22 0 0001113148 INFINITY PHARMACEUTICALS, INC. INFI 0001680745 Tasker Seth A C/O INFINITY PHARMACEUTICALS, INC. 784 MEMORIAL DRIVE CAMBRIDGE MA 02139 0 1 0 0 General Counsel Common Stock 3525.45 I By 401(k) Stock Option (Right to Buy) 7.18 2008-12-04 2018-12-04 Common Stock 1190 D Stock Option (Right to Buy) 6.25 2010-01-05 2020-01-05 Common Stock 631 D Stock Option (Right to Buy) 6.39 2010-03-09 2020-03-09 Common Stock 2000 D Stock Option (Right to Buy) 5.94 2011-01-06 2021-01-06 Common Stock 1713 D Stock Option (Right to Buy) 7.93 2012-01-06 2022-01-06 Common Stock 2240 D Stock Option (Right to Buy) 16.57 2022-08-14 Common Stock 1000 D Stock Option (Right to Buy) 36.85 2023-01-04 Common Stock 4730 D Stock Option (Right to Buy) 45.24 2023-03-06 Common Stock 2000 D Stock Option (Right to Buy) 12.91 2024-01-10 Common Stock 6711 D Stock Option (Right to Buy) 11.24 2024-08-25 Common Stock 10000 D Stock Option (Right to Buy) 15.74 2025-01-14 Common Stock 8214 D Stock Option (Right to Buy) 16.53 2025-03-19 Common Stock 5300 D Stock Option (Right to Buy) 6.71 2026-01-06 Common Stock 11938 D The option vested as to 12/48th of the shares on December 4, 2008 and vested as to 1/48th of the shares at the end of each calendar month thereafter. The option has fully vested. The option vested in equal monthly installments over four years beginning at the end of the calendar month during which the grant was made. The option has fully vested. The option vests as to 1/48th of the shares on August 31, 2012 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on January 31, 2013 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on March 31, 2013 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on January 31, 2014 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on August 31, 2014 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on January 31, 2015 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on March 31, 2015 and vests as to 1/48th of the shares at the end of each calendar month thereafter. The option vests as to 1/48th of the shares on January 31, 2016 and vests as to 1/48th of the shares at the end of each calendar month thereafter. /s/ Seth A. Tasker 2016-07-29