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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1360886	Osiris Therapeutics Inc.	OSIR	Biological Products, (No Disgnostic Substances) (2836)	710881115

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1008317	Peter Friedli	C/O Osiris Therapeutics, Inc. 7015 Albert Einstein Drive Columbia MD 21046		Yes	No	Yes	Yes

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-11-15	625	$9.34	4,656,051	No	4	S	Indirect	See Note 2

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Note 2

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	9,616,794	Direct

Footnotes

Represents the sale of 625 shares of common stock by the Reporting Person's mother.
The Reporting Person holds indirect beneficial ownership of 4,153,301 shares of common stock held by Venturetec, Inc., 500,000 shares held by his minor daughter and 2,750 shares held by his spouse. The Reporting Person holds approximately a 3% interest in Venturetec, Inc. and serves as its president. The Reporting Person disclaims beneficial ownership in the shares held by his daughter and spouse and disclaims beneficial interest in the shares held by Venturetec, Inc., beyond the extent of his pecuniary interest therein.