Insider stock ownership

On February 18, 2010 we effected a one-for-eight reverse stock split. As a result, every eight shares of common stock that were issued and outstanding immediately prior to the opening of trading on February 18, 2010 were automatically combined into one share. Transactions listed on this page which took place before this date do not reflect the post-split amount.

Name	Relationship / Title	Current Shares	Trading Activity
dunbar, george w.	Director	12,750	View
Date	Type	Shares Traded	Price Range USD
03/10/2010	Buy	9,000	1.56
11/12/2007	Buy	20,000	0.90
05/11/2007	Buy	10,000	1.45
mayleben, timothy m.	Officer	52,418	View
Date	Type	Shares Traded	Price Range USD
05/21/2010	Buy	17,600	1.42
03/08/2010	Buy	16,750	1.47
03/05/2010	Buy	17,206	1.45
11/01/2005	Acquisition (Non Open Market)	6,900	n/a
rubino, alan l.	Director	6,900	View
Date	Type	Shares Traded	Price Range USD
11/01/2005	Acquisition (Non Open Market)	6,900	n/a
sims, nelson m.	Director	235,000	View
Date	Type	Shares Traded	Price Range USD
10/17/2008	Acquisition (Non Open Market)	155,200	n/a
02/12/2008	Acquisition (Non Open Market)	64,300	n/a
11/12/2007	Buy	10,000	0.90
02/09/2006	Acquisition (Non Open Market)	5,500	n/a
zerbe, m.d., robert l.	Director	7,200	View
Date	Type	Shares Traded	Price Range USD
01/16/2006	Acquisition (Non Open Market)	7,200	n/a

Stock transaction information provided by EDGAR Online. Aastrom Biosciences, Inc. makes no representation or warranty with respect any of to the information contained herein, takes no responsibility for supplementing, updating or correcting any such information and shall have no liability with respect to any such information. This listing does not include derivatives, such as stock option grants or shares purchased through an employee stock purchase plan. For recent transactions, including derivative transactions, see our Section 16 SEC filings page.