X0306 4 2015-09-29 0 0000891293 CTI BIOPHARMA CORP ctic 0001204264 SINGER JACK W 3101 WESTERN AVE SUITE 600 SEATTLE WA 98121 0 1 0 0 EVP, Global Medical Affairs Common Stock 2015-09-29 4 S 0 5600 1.38 D 1446250 D Common Stock 2015-09-29 4 S 0 7300 1.39 D 1438950 D Common Stock 2015-09-29 4 S 0 15083 1.4 D 1423867 D Common Stock 2015-09-29 4 S 0 9263 1.405 D 1414604 D Common Stock 2015-09-29 4 S 0 28254 1.41 D 1386350 D Common Stock 2015-09-29 4 S 0 250 1.415 D 1386100 D Common Stock 2015-09-29 4 S 0 6094 1.42 D 1380006 D Common Stock 2015-09-29 4 S 0 3156 1.425 D 1376850 D Common Stock 2015-09-30 4 S 0 5115 1.45 D 1371735 D Common Stock 2015-09-30 4 S 0 751 1.4525 D 1370984 D Common Stock 2015-09-30 4 S 0 100 1.455 D 1370884 D Common Stock 2015-09-30 4 S 0 19034 1.46 D 1351850 D By: Louis A. Bianco, Attorney-in-fact For: Jack W. Singer 2015-10-01