X0306 4 2016-02-26 0 0000891293 CTI BIOPHARMA CORP ctic 0001204264 SINGER JACK W 3101 WESTERN AVENUE SUITE 600 SEATTLE WA 98121 1 1 0 0 EVP, Chief Scientific Officer Common Stock 2016-02-26 4 S 0 100 0.615 D 1054892 D Common Stock 2016-02-26 4 S 0 300 0.618 D 1054592 D Common Stock 2016-02-26 4 S 0 200 0.62 D 1054392 D Common Stock 2016-02-26 4 S 0 510 0.622 D 1053882 D Common Stock 2016-02-26 4 S 0 100 0.623 D 1053782 D Common Stock 2016-02-26 4 S 0 200 0.624 D 1053582 D Common Stock 2016-02-26 4 S 0 200 0.625 D 1053382 D Common Stock 2016-02-26 4 S 0 300 0.63 D 1053082 D Common Stock 2016-02-26 4 S 0 100 0.631 D 1052982 D Common Stock 2016-02-26 4 S 0 600 0.633 D 1052382 D Common Stock 2016-02-26 4 S 0 3990 0.634 D 1048392 D Common Stock 2016-02-26 4 S 0 600 0.635 D 1047792 D Common Stock 2016-02-26 4 S 0 1130 0.636 D 1046662 D Common Stock 2016-02-26 4 S 0 2600 0.637 D 1044062 D Common Stock 2016-02-26 4 S 0 3270 0.638 D 1040792 D Common Stock 2016-02-26 4 S 0 200 0.639 D 1040592 D Common Stock 2016-02-26 4 S 0 100 0.642 D 1040492 D Common Stock 2016-02-26 4 S 0 500 0.643 D 1039992 D The sale was effected pursuant to a Rule 10b5-1 trading plan. By: Louis A. Bianco, Attorney-in-fact For: Jack W. Singer 2016-02-26