X0303 4 2008-09-02 0001097264 ALLOS THERAPEUTICS INC ALTH 0001190418 HOFFMAN STEPHEN J 11080 CIRCLEPOINT ROAD SUITE 200 WESTMINSTER CO 80020 1 0 0 0 Common Stock 2008-09-02 4 M 0 40000 2.4194 A 514870 D Common Stock 2008-09-02 4 S 0 40000 9.68 D 474870 D Common Stock 400 I Custodial Account Common Stock 100 I Custodial Account for Elizabeth Hoffman Common Stock 100 I Custodial Account for Margaret Hoffman Common Stock 100 I Custodial Account for Mary Evelyn Hoffman Common Stock 100 I Custodial Account for Michael Hoffman Stock Options (Right to buy) 2.4194 2008-09-02 4 M 0 40000 2.4194 D 2001-01-12 2010-01-12 Common Stock 40000 288971 D The transactions reported in this Form 4 were effected pursuant to a 10b5-1 trading plan under which Dr. Hoffman is selling a portion of his holdings for tax and estate planning purposes. The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $9.35 to $9.83. Upon request of the SEC staff, Allos Therapeutics, Inc. (the "Company") or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold at each separate price. David C. Clark, Attorney-in-Fact for Stephen J. Hoffman 2008-09-03