Insider Stock Ownership

Name	Relationship / Title	Current Shares	Trading Activity
barnhill gregory hurd	Director	12,421	View
Date	Type	Shares Traded	Price Range USD
02/04/2008	Acquisition (Non Open Market)	5,000	12.01
02/05/2007	Option Execute	2,500	23.62
08/03/2006	Statement of Ownership	0	n/a
carmitchel harry e	Officer	82,000	View
Date	Type	Shares Traded	Price Range USD
03/05/2008	Disposition (Non Open Market)	7,500	10.36
11/26/2007	Disposition (Non Open Market)	3,750	10.22
03/01/2007	Option Execute	20,000	0.40
02/28/2007	Option Execute	20,000	0.40
12/20/2006	Option Execute	0	n/a
12/20/2006	Option Execute	10,000	0.40
10/17/2006	Option Execute	0	15.29
10/17/2006	Disposition (Non Open Market)	750	15.29
09/27/2006	Option Execute	6,250	0.40
09/27/2006	Option Execute	18,750	0.40
09/11/2006	Option Execute	25,000	0.40
09/11/2006	Disposition (Non Open Market)	13,000	10.80
08/03/2006	Statement of Ownership	0	n/a
08/03/2006	Statement of Ownership	0	n/a
claiborne cary j	Officer	0	View
Date	Type	Shares Traded	Price Range USD
03/02/2007	Option Execute	15,000	0.40
09/27/2006	Option Execute	45,000	0.40
08/03/2006	Statement of Ownership	0	n/a
fender earl r	Other	37,500	View
Date	Type	Shares Traded	Price Range USD
07/03/2008	Buy	37,500	6.84
friedli peter	Director	9,870,371	View
Date	Type	Shares Traded	Price Range USD
02/04/2008	Acquisition (Non Open Market)	29,741	n/a
02/04/2008	Disposition (Non Open Market)	1,000	12.01
02/04/2008	Acquisition (Non Open Market)	10,000	12.01
12/19/2007	Buy	762,746	12.37 - 13.00
06/06/2007	Buy	1,230,229	11.38
05/11/2007	Acquisition (Non Open Market)	74,744	n/a
02/05/2007	Option Execute	5,000	23.62
08/03/2006	Statement of Ownership	0	n/a
08/03/2006	Statement of Ownership	0	n/a
gutzwiller felix	Director	49,500	View
Date	Type	Shares Traded	Price Range USD
02/04/2008	Acquisition (Non Open Market)	3,500	12.01
02/05/2007	Option Execute	3,500	23.62
08/03/2006	Statement of Ownership	0	n/a
jacoby philip r jr	Officer	0	View
Date	Type	Shares Traded	Price Range USD
11/21/2007	Option Execute	2,500	0.40
02/28/2007	Option Execute	1,125	0.40
02/01/2007	Option Execute	2,000	0.40
mills c randal	Officer	0	View
Date	Type	Shares Traded	Price Range USD
08/03/2006	Statement of Ownership	0	n/a
moyes jay m	Director	4,500	View
Date	Type	Shares Traded	Price Range USD
02/04/2008	Acquisition (Non Open Market)	3,000	12.01
02/05/2007	Option Execute	1,500	23.62
venturetec inc	Beneficial Owner (10% or more)	3,963,620	View
Date	Type	Shares Traded	Price Range USD
12/19/2007	Buy	100,000	12.37
06/06/2007	Buy	263,620	11.38
08/03/2006	Statement of Ownership	0	n/a

Stock transaction information provided by EDGAR Online. Osiris Therapeutics 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.