| Historical Data for Cubist Pharmaceuticals Inc. (CBST) | | | | After Hours: $ 27.98 | 0.00 (0.00%) | Volume: 10.0 k | 4:00 PM EST Dec 4, 2008 | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 12/4/08 | 27.13 | 28.74 | 27.00 | 27.98 | 2,183,558 | 0.47 | 1.71% | | 12/3/08 | 25.32 | 27.60 | 25.32 | 27.51 | 3,111,686 | 1.91 | 7.46% | | 12/2/08 | 24.42 | 26.12 | 23.81 | 25.60 | 2,100,362 | 1.48 | 6.14% | | 12/1/08 | 24.11 | 24.90 | 23.96 | 24.12 | 1,251,897 | -0.44 | -1.79% | | 11/28/08 | 24.71 | 24.71 | 23.98 | 24.56 | 334,656 | -0.33 | -1.33% | | 11/26/08 | 24.48 | 25.00 | 24.30 | 24.89 | 914,232 | – | – | | 11/25/08 | 23.66 | 24.96 | 23.51 | 24.89 | 1,452,958 | 1.50 | 6.41% | | 11/24/08 | 22.14 | 23.46 | 21.90 | 23.39 | 1,471,419 | 1.35 | 6.13% | | 11/21/08 | 22.30 | 22.50 | 20.54 | 22.04 | 2,304,124 | -0.03 | -0.14% | | 11/20/08 | 22.19 | 23.16 | 21.46 | 22.07 | 2,225,276 | -0.40 | -1.78% | | 11/19/08 | 22.78 | 23.23 | 22.25 | 22.47 | 1,923,738 | -0.39 | -1.71% | | 11/18/08 | 23.56 | 23.90 | 22.25 | 22.86 | 1,771,595 | -0.60 | -2.56% | | 11/17/08 | 24.59 | 25.32 | 23.36 | 23.46 | 2,662,042 | -1.18 | -4.79% | | 11/14/08 | 24.79 | 25.75 | 24.45 | 24.64 | 3,651,465 | -0.73 | -2.88% | | 11/13/08 | 23.78 | 25.41 | 22.48 | 25.37 | 2,546,100 | 1.65 | 6.96% | | 11/12/08 | 24.66 | 24.95 | 23.64 | 23.72 | 1,750,476 | -1.24 | -4.97% | | 11/11/08 | 25.53 | 25.94 | 24.88 | 24.96 | 1,500,292 | -0.74 | -2.88% | | 11/10/08 | 25.47 | 25.98 | 25.16 | 25.70 | 1,134,432 | 0.59 | 2.35% | | 11/7/08 | 25.75 | 25.98 | 24.50 | 25.11 | 814,853 | – | – | | 11/6/08 | 24.02 | 25.27 | 24.00 | 25.11 | 1,390,415 | -0.08 | -0.32% | | 11/5/08 | 23.91 | 25.42 | 23.66 | 25.19 | 1,599,084 | 1.12 | 4.65% | | 11/4/08 | 24.94 | 25.13 | 22.82 | 24.07 | 1,541,721 | -0.74 | -2.98% | | 11/3/08 | 25.19 | 25.60 | 24.66 | 24.81 | 1,509,240 | -0.58 | -2.28% | | 10/31/08 | 23.75 | 25.51 | 23.43 | 25.39 | 2,184,761 | 1.72 | 7.27% | | 10/30/08 | 22.75 | 23.74 | 22.61 | 23.67 | 1,349,034 | 1.32 | 5.91% | | 10/29/08 | 21.60 | 22.86 | 21.19 | 22.35 | 1,209,699 | 0.72 | 3.33% | | 10/28/08 | 21.27 | 22.29 | 20.41 | 21.63 | 1,856,773 | 0.60 | 2.85% | | 10/27/08 | 21.00 | 21.74 | 20.53 | 21.03 | 1,046,399 | -0.32 | -1.50% | | 10/24/08 | 19.50 | 22.30 | 19.45 | 21.35 | 1,995,279 | 0.58 | 2.79% | | 10/23/08 | 22.00 | 22.16 | 19.57 | 20.77 | 802,030 | -1.09 | -4.99% | | 10/22/08 | 22.07 | 22.12 | 21.25 | 21.86 | 983,544 | -0.59 | -2.63% | | 10/21/08 | 22.20 | 23.07 | 21.95 | 22.45 | 958,988 | -0.05 | -0.22% | | 10/20/08 | 21.70 | 22.67 | 20.95 | 22.50 | 1,082,005 | 0.86 | 3.97% | | 10/17/08 | 20.96 | 22.23 | 17.75 | 21.64 | 1,971,355 | 1.25 | 6.13% | | 10/16/08 | 19.50 | 20.62 | 18.59 | 20.39 | 1,074,276 | 1.39 | 7.32% | | 10/15/08 | 19.83 | 20.25 | 19.00 | 19.00 | 628,362 | -0.99 | -4.95% | | 10/14/08 | 21.00 | 21.42 | 19.63 | 19.99 | 742,499 | -0.83 | -3.99% | | 10/13/08 | 18.88 | 20.92 | 18.77 | 20.82 | 601,243 | 2.07 | 11.04% | | 10/10/08 | 17.42 | 19.03 | 16.25 | 18.75 | 1,357,168 | 1.09 | 6.17% | | 10/9/08 | 19.15 | 19.50 | 17.65 | 17.66 | 797,343 | -1.41 | -7.39% | | 10/8/08 | 19.18 | 19.67 | 18.67 | 19.07 | 1,208,038 | -0.56 | -2.85% | | 10/7/08 | 20.05 | 20.75 | 19.56 | 19.63 | 888,179 | -0.45 | -2.24% | | 10/6/08 | 21.29 | 21.36 | 19.10 | 20.08 | 1,142,410 | -1.46 | -6.78% | | 10/3/08 | 21.65 | 22.59 | 21.45 | 21.54 | 751,426 | 0.07 | 0.33% | | 10/2/08 | 21.70 | 21.98 | 21.33 | 21.47 | 537,399 | -0.29 | -1.33% | | 10/1/08 | 22.07 | 22.18 | 21.45 | 21.76 | 607,222 | -0.47 | -2.11% | | 9/30/08 | 22.09 | 22.41 | 21.21 | 22.23 | 822,534 | 0.19 | 0.86% | | 9/29/08 | 22.44 | 22.51 | 21.20 | 22.04 | 617,884 | -0.51 | -2.26% | | 9/26/08 | 22.50 | 22.87 | 22.39 | 22.55 | 630,305 | 0.05 | 0.22% | | 9/25/08 | 22.23 | 22.83 | 22.11 | 22.50 | 527,320 | 0.20 | 0.90% | | 9/24/08 | 22.62 | 22.78 | 22.19 | 22.30 | 407,240 | -0.25 | -1.11% | | 9/23/08 | 22.79 | 23.01 | 22.27 | 22.55 | 416,393 | -0.19 | -0.84% | | 9/22/08 | 22.74 | 23.18 | 22.43 | 22.74 | 768,882 | -0.20 | -0.87% | | 9/19/08 | 22.90 | 23.46 | 22.15 | 22.94 | 1,267,211 | 0.84 | 3.80% | | 9/18/08 | 21.62 | 22.49 | 20.44 | 22.10 | 1,944,170 | 0.80 | 3.76% | | 9/17/08 | 22.67 | 23.06 | 21.30 | 21.30 | 812,460 | -1.63 | -7.11% | | 9/16/08 | 21.99 | 23.28 | 21.99 | 22.93 | 899,693 | 0.68 | 3.06% | | 9/15/08 | 22.68 | 23.45 | 22.18 | 22.25 | 704,279 | -0.70 | -3.05% | | 9/12/08 | 23.18 | 23.39 | 22.73 | 22.95 | 656,064 | -0.44 | -1.88% | | 9/11/08 | 23.02 | 23.57 | 22.9099 | 23.39 | 874,236 | 0.19 | 0.82% | | 9/10/08 | 23.09 | 23.36 | 22.68 | 23.20 | 996,964 | 0.42 | 1.84% | | 9/9/08 | 22.86 | 23.40 | 22.76 | 22.78 | 905,623 | -0.12 | -0.52% | | 9/8/08 | 22.66 | 22.96 | 22.36 | 22.90 | 673,813 | 0.45 | 2.00% | | 9/5/08 | 22.15 | 22.63 | 21.96 | 22.45 | 827,775 | 0.30 | 1.35% | | | |